ORN · Orion Group Holdings Inc

$9.28 +0.13 (+1.42%) At close · Sep 4

Russell 2000 member Rebalance outlook locked

Market Cap

$375.65M

40.48M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 179

Total Value: $582,831,279

Total Shares: 34,651,093

Showing 1–100 of 180 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 179 13F filers · Δ vs Mar 31, 2026

Top Holder

14.2%

−1.1 pts

Top 5

38.2%

+0.2 pts

Top 10

53.7%

−1.2 pts

HHI

449

Broadly held−26

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +7

Institutional value: +58.8%

Shares held: +2.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega CITADEL ADVISORS LLC	+406,573	693,401
Large WASATCH ADVISORS LP	+357,276	2,014,110
Mid NEXT CENTURY GROWTH INVESTORS LLC	+331,635	988,549
Mega BlackRock, Inc.	+270,967	3,008,011
Mega MILLENNIUM MANAGEMENT LLC	+243,679	328,165

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega Invesco Ltd.	−1,070,116	182,299
Mid CenterBook Partners LP	−378,453	165,298
Large BRANDES INVESTMENT PARTNERS, LP	−245,385	4,914,450
Large JACOBS LEVY EQUITY MANAGEMENT, INC	−217,353	45,627
Large SEI INVESTMENTS CO	−207,874	178,789

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid SG Capital Management LLC	365,177	$6,142,277
Large Walleye Capital LLC	160,269	$2,695,724
Large TUDOR INVESTMENT CORP ET AL	149,220	$2,509,880
Large PANAGORA ASSET MANAGEMENT INC	138,495	$2,329,485
Mid BOOTHBAY FUND MANAGEMENT, LLC	85,045	$1,430,456

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Ancora Advisors LLC	157,203	$1,713,512
Small Legato Capital Management LLC	143,016	$1,558,874
Large MACKENZIE FINANCIAL CORP	77,115	$840,553
Large POLEN CAPITAL MANAGEMENT LLC	49,265	$536,988
Mid Brooklyn Investment Group	38,027	$414,494

Filter: New 28 Increased 69 Reduced 56 Sold out 21 Unchanged 26

Showing 100 of 180

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BRANDES INVESTMENT PARTNERS, LP

$82,661,048

14.18%

4,914,450

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brandes Investment Partners & Co.	658,115	$11,069,494	13.4%	Defined
Held directly	4,256,335	$71,591,554	86.6%	Sole

BlackRock, Inc.

$50,594,741

8.68%

3,008,011

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	44,594	$750,071	1.5%	Sole
BlackRock Asset Management Canada Ltd	125	$2,102	0.0%	Sole
BlackRock Investment Management, LLC	116,596	$1,961,144	3.9%	Sole
BLACKROCK ADVISORS LLC	88,039	$1,480,815	2.9%	Sole
BlackRock Fund Advisors	1,651,978	$27,786,269	54.9%	Sole
BlackRock Institutional Trust Company, N.A.	1,043,105	$17,545,026	34.7%	Sole
Aperio Group, LLC	63,574	$1,069,314	2.1%	Sole

WASATCH ADVISORS LP

$33,877,330

5.81%

2,014,110

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	2,014,110	$33,877,330	100.0%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$28,515,248

4.89%

1,695,318

ROYCE & ASSOCIATES LP

$26,929,391

4.62%

1,601,034

DIMENSIONAL FUND ADVISORS LP

$24,854,711

4.26%

1,477,688

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	3,404	$57,255	0.2%	Defined
DFA Australia Ltd.	12,287	$206,667	0.8%	Defined
Dimensional Ireland Ltd	70,015	$1,177,652	4.7%	Defined
Held directly	1,391,982	$23,413,137	94.2%	Sole

GENDELL JEFFREY L

$18,574,325

3.19%

1,104,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tontine Asset Management, LLC	844,760	$14,208,863	76.5%	Defined
Tontine Associates, LLC	259,540	$4,365,462	23.5%	Defined

NEXT CENTURY GROWTH INVESTORS LLC

$16,627,394

2.85%

988,549

GEODE CAPITAL MANAGEMENT, LLC

$16,418,355

2.82%

976,121

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	141,327	$2,377,120	14.5%	Defined
Held directly	834,794	$14,041,235	85.5%	Defined

GRACE & WHITE INC /NY

$13,669,984

2.35%

812,722

STATE STREET CORP

$13,201,092

2.26%

784,845

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	784,845	$13,201,092	100.0%	Defined

CITADEL ADVISORS LLC

$11,663,004

2.00%

693,401

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	427,649	$7,193,056	61.7%	Defined
Held directly	265,752	$4,469,948	38.3%	Defined

SILVERCREST ASSET MANAGEMENT GROUP LLC

$11,491,709

1.97%

683,217

KENNEDY CAPITAL MANAGEMENT LLC

$11,389,360

1.95%

677,132

FIRST WILSHIRE SECURITIES MANAGEMENT INC

$8,727,544

1.50%

518,879

Allspring Global Investments Holdings, LLC

$7,606,322

1.31%

452,219

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Allspring Funds Management, LLC reporting on behalf of Morgan Stanley Smith Barney, LLC	1	$16	0.0%	Defined
Allspring Global Investments, LLC reporting on behalf of UBS ASSET MANAGEMENT AMERICAS INC	452,218	$7,606,306	100.0%	Defined

ESSEX INVESTMENT MANAGEMENT CO LLC

$7,444,582

1.28%

442,603

VANGUARD PORTFOLIO MANAGEMENT LLC

$7,360,179

1.26%

437,585

De Lisle Partners LLP

$7,058,529

1.21%

419,651

WESTERLY CAPITAL MANAGEMENT, LLC

$6,980,300

1.20%

415,000

ACADIAN ASSET MANAGEMENT LLC

$6,843,671

1.17%

406,877

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	406,877	$6,843,671	100.0%	Defined

Simcoe Capital LLC

$6,163,537

1.06%

366,441

SG Capital Management LLC

$6,142,277

1.05%

365,177

Archon Capital Management LLC

$5,953,943

1.02%

353,980

MILLENNIUM MANAGEMENT LLC

$5,519,735

0.95%

328,165

ALGERT GLOBAL LLC

$5,438,141

0.93%

323,314

NORTHERN TRUST CORP

$5,388,521

0.92%

320,364

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	314,200	$5,284,843	98.1%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	6,164	$103,678	1.9%	Other

VANGUARD FIDUCIARY TRUST CO

$4,659,728

0.80%

277,035

UBS Group AG

$4,647,517

0.80%

276,309

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	197,683	$3,325,028	71.5%	Defined
UBS AG	78,626	$1,322,489	28.5%	Defined

FORMULA GROWTH LTD

$4,316,567

0.74%

256,633

JPMORGAN CHASE & CO

$4,264,441

0.73%

253,534

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	27,903	$469,328	11.0%	Defined
J.P. Morgan Investment Management Inc.	140,531	$2,363,731	55.4%	Defined
J.P. Morgan Securities LLC	85,100	$1,431,382	33.6%	Defined

GOLDMAN SACHS GROUP INC

$4,206,159

0.72%

250,069

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	173,874	$2,924,560	69.5%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	76,195	$1,281,599	30.5%	Defined

Cruiser Capital Advisors, LLC

$4,105,829

0.70%

244,104

AQR CAPITAL MANAGEMENT LLC

$3,545,922

0.61%

210,816

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Petros Family Wealth, LLC	8	$134	0.0%	Other
RF&L WEALTH MANAGEMENT, LLC	13	$218	0.0%	Other
Arax Advisory Partners	2,885	$48,525	1.4%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	1,263	$21,243	0.6%	Other
Stokes Family Office, LLC	831	$13,977	0.4%	Other
Held directly	205,816	$3,461,825	97.6%	Defined

Connor, Clark & Lunn Investment Management Ltd.

$3,488,400

0.60%

207,396

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	207,396	$3,488,400	100.0%	Sole

ARDSLEY ADVISORY PARTNERS LP

$3,364,000

0.58%

200,000

Nuveen, LLC

$3,317,121

0.57%

197,213

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	55,441	$932,517	28.1%	Defined
TIAA CREF INVESTMENT MANAGEMENT LLC joint	20,520	$345,146	10.4%	Defined
TEACHERS ADVISORS, LLC joint	121,252	$2,039,458	61.5%	Defined

Invesco Ltd.

$3,066,267

0.53%

182,299

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	5,647	$94,982	3.1%	Defined
Invesco Trust Co joint	15,578	$262,021	8.5%	Defined
Invesco Capital Management LLC	161,074	$2,709,264	88.4%	Defined

SEI INVESTMENTS CO

$3,007,230

0.52%

178,789

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	364	$6,122	0.2%	Sole
SEI TRUST CO	178,425	$3,001,108	99.8%	Sole

Qube Research & Technologies Ltd

$2,905,974

0.50%

172,769

BANK OF AMERICA CORP /DE/

$2,863,520

0.49%

170,245

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	170,245	$2,863,520	100.0%	Defined

Seros Financial, LLC

$2,837,601

0.49%

168,704

CenterBook Partners LP

$2,780,312

0.48%

165,298

Walleye Capital LLC

$2,695,724

0.46%

160,269

Bank of New York Mellon Corp

$2,582,690

0.44%

153,549

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	42,190	$709,635	27.5%	Defined
The Bank of New York Mellon	65,240	$1,097,336	42.5%	Defined
BNY Mellon, NA joint	842	$14,162	0.5%	Defined
BNY Mellon Advisors, Inc.	15,835	$266,344	10.3%	Defined
Newton Investment Management North America, LLC	29,440	$495,180	19.2%	Defined
Held directly	2	$33	0.0%	Defined

TUDOR INVESTMENT CORP ET AL

$2,509,880

0.43%

149,220

Russell Investments Group, Ltd.

$2,343,460

0.40%

139,326

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	66,554	$1,119,437	47.8%	Defined
Russell Investments Canada Limited	245	$4,120	0.2%	Defined
Russell Investments Capital, LLC	36,593	$615,494	26.3%	Defined
Russell Investments France SAS	14,393	$242,090	10.3%	Defined
Russell Investments Limited	491	$8,258	0.4%	Defined
Russell Investments Trust Company	21,050	$354,061	15.1%	Defined

PANAGORA ASSET MANAGEMENT INC

$2,329,485

0.40%

138,495

US BANCORP \DE\

$2,285,249

0.39%

135,865

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	135,865	$2,285,249	100.0%	Defined

RENAISSANCE TECHNOLOGIES LLC

$2,245,133

0.39%

133,480

JB CAPITAL PARTNERS LP

$2,186,600

0.38%

130,000

FIRST TRUST ADVISORS LP

$2,146,686

0.37%

127,627

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$2,110,338

0.36%

125,466

LPL Financial LLC

$1,980,050

0.34%

117,720

FMR LLC

$1,947,738

0.33%

115,799

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	115,524	$1,943,113	99.8%	Defined
STRATEGIC ADVISERS LLC	275	$4,625	0.2%	Defined

Informed Momentum Co LLC

$1,895,664

0.33%

112,703

MORGAN STANLEY

$1,790,923

0.31%

106,476

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	1,813	$30,494	1.7%	Defined
MORGAN STANLEY & CO. LLC	10,676	$179,570	10.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	75,074	$1,262,744	70.5%	Defined
MORGAN STANLEY SMITH BARNEY LLC	620	$10,428	0.6%	Defined
Morgan Stanley Bank, N.A.	2,588	$43,530	2.4%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	15,705	$264,157	14.7%	Defined

Point72 Asset Management, L.P.

$1,737,421

0.30%

103,295

AMERICAN CENTURY COMPANIES INC

$1,721,930

0.30%

102,374

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	102,374	$1,721,930	100.0%	Defined

Squarepoint Ops LLC

$1,616,637

0.28%

96,114

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	96,114	$1,616,637	100.0%	Defined

AMERIPRISE FINANCIAL INC

$1,436,461

0.25%

85,402

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	85,214	$1,433,299	99.8%	Defined
Ameriprise Financial Services, LLC	188	$3,162	0.2%	Defined

BOOTHBAY FUND MANAGEMENT, LLC

$1,430,456

0.25%

85,045

Integrated Quantitative Investments LLC

$1,354,968

0.23%

80,557

FRANKLIN RESOURCES INC

$1,205,573

0.21%

71,675

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	71,675	$1,205,573	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$1,199,955

0.21%

71,341

GLOBEFLEX CAPITAL L P

$1,199,434

0.21%

71,310

North Star Investment Management Corp.

$1,177,400

0.20%

70,000

State of Wyoming

$1,174,540

0.20%

69,830

ROYAL BANK OF CANADA

$1,097,655

0.19%

65,259

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,178	$19,813	1.8%	Defined
RBC Capital Markets, LLC	60,943	$1,025,061	93.4%	Defined
RBC Dominion Securities Inc.	3,138	$52,781	4.8%	Defined

ENVESTNET ASSET MANAGEMENT INC

$1,086,151

0.19%

64,575

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$1,033,639

0.18%

61,453

Harbour Capital Advisors, LLC

$963,786

0.17%

57,300

JANE STREET GROUP, LLC

$939,430

0.16%

55,852

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	61	$1,026	0.1%	Defined
Jane Street Global Trading, LLC	55,791	$938,404	99.9%	Defined

XTX Topco Ltd

$913,780

0.16%

54,327

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	54,327	$913,780	100.0%	Defined

Y-Intercept (Hong Kong) Ltd

$877,112

0.15%

52,147

CITIGROUP INC

$837,299

0.14%

49,780

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	49,780	$837,299	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$803,407

0.14%

47,765

Sanctuary Advisors, LLC

$794,812

0.14%

47,254

RHUMBLINE ADVISERS

$785,376

0.13%

46,693

JACOBS LEVY EQUITY MANAGEMENT, INC

$767,446

0.13%

45,627

STRS OHIO

$718,214

0.12%

42,700

Creative Planning

$704,555

0.12%

41,888

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CREATIVE PLANNING TRUST Co LLC	379	$6,374	0.9%	Defined
Held directly	41,509	$698,181	99.1%	Sole

Atria Investments, Inc

$691,873

0.12%

41,134

D. E. Shaw & Co., Inc.

$689,805

0.12%

41,011

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	41,011	$689,805	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$644,727

0.11%

38,331

ALLIANCEBERNSTEIN L.P.

$633,273

0.11%

37,650

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	37,650	$633,273	100.0%	Defined

GDS Wealth Management

$627,015

0.11%

37,278

DEUTSCHE BANK AG\

$616,351

0.11%

36,644

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	747	$12,564	2.0%	Defined
DWS Investments UK Ltd	35,897	$603,787	98.0%	Defined

Cambridge Investment Research Advisors, Inc.

$613,576

0.11%

36,479

WELLS FARGO & COMPANY/MN

$610,330

0.10%

36,286

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	35,786	$601,920	98.6%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	500	$8,410	1.4%	Defined

INDEPENDENT FINANCIAL GROUP, LLC

$597,110

0.10%

35,500

LOS ANGELES CAPITAL MANAGEMENT LLC

$595,108

0.10%

35,381

PRICE T ROWE ASSOCIATES INC /MD/

$541,940

0.09%

32,220

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	32,220	$541,940	100.0%	Defined

&PARTNERS

$493,078

0.08%

29,315

Man Group plc

$490,942

0.08%

29,188

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	29,188	$490,942	100.0%	Defined

WINTON GROUP Ltd

$485,963

0.08%

28,892

BAILARD, INC.

$450,776

0.08%

26,800

OSAIC HOLDINGS, INC.

$430,238

0.07%

25,579

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	25,079	$421,828	98.0%	Defined
Osaic Advisory Services, LLC	500	$8,410	2.0%	Defined

BARCLAYS PLC

$412,073

0.07%

24,499

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	23,111	$388,727	94.3%	Defined
BARCLAYS CAPITAL INC.	1,388	$23,346	5.7%	Defined

MetLife Investment Management, LLC

$404,218

0.07%

24,032

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	24,032	$404,218	100.0%	Defined

Key facts CIK 1402829 CUSIP 68628V308 13F (30d) 127 filings 127 filers Visit website Investor relations