ORN · Orion Group Holdings Inc · Shareholders & Ownership

$8.41 -0.25 (-2.89%)

Russell 2000 member Rebalance outlook locked

Market Cap

$350.55M

40.48M

Volume · Oct 22 513.42K Avg daily vol (3M) 537.56K

Every disclosed holder of ORN in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns ORN

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	180	34,985,971	86.43%	Yes
Insiders (Forms 3, 4, 5)	11	2,511,839	6.21%	Yes
13D/G-only blocks	2	1,805,164	4.46%	Yes
Remaining	—	1,176,304	2.91%	Rest
Registered funds (N-PORT, not summed)	169	11,586,409	28.62%	No

Shares outstanding: 40,479,278, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ORN

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	BRANDES INVESTMENT PARTNERS, LP 13F CIK 1015079 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,914,450	12.14%	-245,385	Jun 30, 2026	carried, not yet filed for the newest quarter
1.1	Brandes Small Cap Value Fund Fund S000084888 · Registered fund · Jun 30, 2026 Datum One Series Trust, not summed	1,330,306	3.29%	0	Jun 30, 2026	Datum One Series Trust, not summed
2	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	3,008,011	7.43%	+270,967	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	BlackRock, Inc. 13G CIK 2012383 · Holding company · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	2,916,130	7.20%	+580,579	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
2.2	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	1,022,402	2.53%	+92,875	Jun 30, 2026	iShares Trust, not summed
2.3	iShares Russell 2000 Growth ETF Fund S000004343 · Registered fund · Jun 30, 2026 iShares Trust, not summed	368,393	0.91%	+309,994	Jun 30, 2026	iShares Trust, not summed
2.4	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	131,886	0.33%	+36,897	Jun 30, 2026	iShares Trust, not summed
2.5	Master Small Cap Index Series Fund S000002716 · Registered fund · Jun 30, 2026 Quantitative Master Series LLC, not summed	73,329	0.18%	+11,478	Jun 30, 2026	Quantitative Master Series LLC, not summed
3	WASATCH ADVISORS LP 13F CIK 814133 · Registered investment adviser · Sep 30, 2026	2,161,096	5.34%	+146,986	Sep 30, 2026
3.1	WASATCH ADVISORS LP 13G CIK 814133 · Registered investment adviser · Sep 30, 2026 Rule 13d-1(b), qualified institution, not summed	2,161,096	5.34%	+504,262	Sep 30, 2026	Rule 13d-1(b), qualified institution, not summed
3.2	Wasatch Micro Cap Fund Fund S000000885 · Registered fund · Jun 30, 2026 WASATCH FUNDS TRUST, not summed	987,935	2.44%	+184,855	Jun 30, 2026	WASATCH FUNDS TRUST, not summed
3.3	Wasatch Micro Cap Value Fund Fund S000000886 · Registered fund · Jun 30, 2026 WASATCH FUNDS TRUST, not summed	561,252	1.39%	+102,270	Jun 30, 2026	WASATCH FUNDS TRUST, not summed
4	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,695,318	4.19%	+33,308	Jun 30, 2026	carried, not yet filed for the newest quarter
5	ROYCE & ASSOCIATES LP 13F CIK 906304 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,601,034	3.96%	+117,520	Jun 30, 2026	carried, not yet filed for the newest quarter
5.1	Royce Small-Cap Opportunity Fund Fund S000009512 · Registered fund · Jun 30, 2026 ROYCE FUND, not summed	754,125	1.86%	-9,339	Jun 30, 2026	ROYCE FUND, not summed
6	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,477,688	3.65%	-113,002	Jun 30, 2026	carried, not yet filed for the newest quarter
6.1	U.S. Targeted Value Portfolio Fund S000000970 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	203,434	0.50%	-39,996	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
6.2	Dimensional U.S. Targeted Value ETF Fund S000070901 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	183,127	0.45%	-24,013	Jul 31, 2026	Dimensional ETF Trust, not summed
6.3	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	165,341	0.41%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
6.4	U.S. SMALL CAP VALUE PORTFOLIO Fund S000000987 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	164,789	0.41%	-47,556	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
6.5	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	139,092	0.34%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
7	Leviticus Partners LP 13G CIK 1019432 · Investment adviser · Mar 27, 2024	1,356,473	3.35%	-498,527	Mar 27, 2024
8	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,217,157	3.01%	+31,300	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
9	GENDELL JEFFREY L 13F CIK 1056581 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,104,300	2.73%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
10	NEXT CENTURY GROWTH INVESTORS LLC 13F CIK 1134007 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	988,549	2.44%	+331,635	Jun 30, 2026	carried, not yet filed for the newest quarter
11	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	976,121	2.41%	+57,952	Jun 30, 2026	carried, not yet filed for the newest quarter
12	GRACE & WHITE INC /NY 13F CIK 903064 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	812,722	2.01%	-81,100	Jun 30, 2026	carried, not yet filed for the newest quarter
13	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	784,845	1.94%	+8,422	Jun 30, 2026	carried, not yet filed for the newest quarter
13.1	STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO Fund S000050332 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	13,300	0.03%	-100	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
13.2	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	1,037	0.00%	+190	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
13.3	State Street Balanced Index Fund Fund S000082802 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	350	0.00%	0	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
14	Boone Travis J Insider CIK 1947439 · Sep 15, 2026 Director, PRESIDENT & CEO, issuer-wide	710,485	1.76%	+2,000	Sep 15, 2026	Director, PRESIDENT & CEO, issuer-wide
15	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	693,401	1.71%	+406,573	Jun 30, 2026	carried, not yet filed for the newest quarter
16	SILVERCREST ASSET MANAGEMENT GROUP LLC 13F CIK 1232395 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	683,217	1.69%	-33,736	Jun 30, 2026	carried, not yet filed for the newest quarter
17	KENNEDY CAPITAL MANAGEMENT LLC 13F CIK 884589 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	677,132	1.67%	-12,770	Jun 30, 2026	carried, not yet filed for the newest quarter
18	FIRST WILSHIRE SECURITIES MANAGEMENT INC 13F CIK 732847 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	518,879	1.28%	-9,329	Jun 30, 2026	carried, not yet filed for the newest quarter
19	Allspring Global Investments Holdings, LLC 13F CIK 1890906 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	452,219	1.12%	+73,487	Jun 30, 2026	carried, not yet filed for the newest quarter
19.1	Allspring Small Company Value Portfolio Fund S000007553 · Registered fund · Jul 31, 2026 ALLSPRING MASTER TRUST, not summed	176,201	0.44%	-142,265	Jul 31, 2026	ALLSPRING MASTER TRUST, not summed
20	Portolan Capital Management, LLC 13G CIK 1350290 · Unknown · Dec 31, 2024 Rule 13d-1(c), passive investor	448,691	1.11%	-1,357,884	Dec 31, 2024	Rule 13d-1(c), passive investor
21	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	440,827	1.09%	+5,876	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
22	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	437,585	1.08%	+184,367	Jun 30, 2026	carried, not yet filed for the newest quarter
23	ESSEX INVESTMENT MANAGEMENT CO LLC 13F CIK 201772 · Registered investment adviser · Sep 30, 2026	429,003	1.06%	-13,600	Sep 30, 2026
24	De Lisle Partners LLP 13F CIK 2011184 · Non-US institution · Jun 30, 2026 carried, not yet filed for the newest quarter	419,651	1.04%	+5,000	Jun 30, 2026	carried, not yet filed for the newest quarter
25	WESTERLY CAPITAL MANAGEMENT, LLC 13F CIK 1546172 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	415,000	1.03%	-25,000	Jun 30, 2026	carried, not yet filed for the newest quarter
26	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	406,877	1.01%	+172,290	Jun 30, 2026	carried, not yet filed for the newest quarter
27	Simcoe Capital LLC 13F CIK 2109203 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	366,441	0.91%	+74,241	Jun 30, 2026	carried, not yet filed for the newest quarter
28	SG Capital Management LLC 13F CIK 1510099 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	365,177	0.90%	+365,177	Jun 30, 2026	carried, not yet filed for the newest quarter
29	Archon Capital Management LLC 13F CIK 1398825 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	353,980	0.87%	+35,000	Jun 30, 2026	carried, not yet filed for the newest quarter
30	SHANFELTER AUSTIN J Insider CIK 1221430 · May 19, 2026 Director, issuer-wide	336,451	0.83%	+7,236	May 19, 2026	Director, issuer-wide
31	MILLENNIUM MANAGEMENT LLC 13F CIK 1273087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	328,165	0.81%	+243,679	Jun 30, 2026	carried, not yet filed for the newest quarter
32	ALGERT GLOBAL LLC 13F CIK 1275218 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	323,314	0.80%	+70,913	Jun 30, 2026	carried, not yet filed for the newest quarter
33	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	320,364	0.79%	+36,309	Jun 30, 2026	carried, not yet filed for the newest quarter
33.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	19,732	0.05%	+1,027	Jun 30, 2026	Northern Funds, not summed
33.2	Small Cap Core Fund Fund S000001244 · Registered fund · Jun 30, 2026 Northern Funds, not summed	1,996	0.00%	0	Jun 30, 2026	Northern Funds, not summed
34	AMONETT THOMAS N Insider CIK 1029695 · May 15, 2025 Director, issuer-wide	287,945	0.71%	+11,481	May 15, 2025	Director, issuer-wide
35	Sullivan Mary E Insider CIK 1370423 · Jul 31, 2026 Director, issuer-wide	277,904	0.69%	+3,000	Jul 31, 2026	Director, issuer-wide
36	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	277,035	0.68%	+25,705	Jun 30, 2026	carried, not yet filed for the newest quarter
37	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	276,309	0.68%	+26,765	Jun 30, 2026	carried, not yet filed for the newest quarter
38	FORMULA GROWTH LTD 13F CIK 1093219 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	256,633	0.63%	-41,063	Jun 30, 2026	carried, not yet filed for the newest quarter
39	JPMORGAN CHASE & CO 13F CIK 19617 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	253,534	0.63%	+79,104	Jun 30, 2026	carried, not yet filed for the newest quarter
40	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	250,069	0.62%	+58,547	Jun 30, 2026	carried, not yet filed for the newest quarter
40.1	Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF Fund S000048296 · Registered fund · May 31, 2026 Goldman Sachs ETF Trust, not summed	35,642	0.09%	+9,344	May 31, 2026	Goldman Sachs ETF Trust, not summed
40.2	Goldman Sachs Absolute Return Tracker Fund Fund S000020314 · Registered fund · Jun 30, 2026 GOLDMAN SACHS TRUST, not summed	10,928	0.03%	+3,796	Jun 30, 2026	GOLDMAN SACHS TRUST, not summed
41	Cruiser Capital Advisors, LLC 13F CIK 1713506 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	244,104	0.60%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
42	Caliel Michael J Insider CIK 1368766 · May 19, 2026 Director, issuer-wide	214,412	0.53%	+7,236	May 19, 2026	Director, issuer-wide
43	Thanisch Gordon Scott Insider CIK 1947836 · Mar 20, 2025 EVP AND CFO, issuer-wide	212,440	0.52%	+42,629	Mar 20, 2025	EVP AND CFO, issuer-wide
44	AQR CAPITAL MANAGEMENT LLC 13F CIK 1167557 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	210,816	0.52%	-18,385	Jun 30, 2026	carried, not yet filed for the newest quarter
44.1	AQR Small Cap Multi-Style Fund Fund S000040064 · Registered fund · Jun 30, 2026 AQR Funds, not summed	4,482	0.01%	0	Jun 30, 2026	AQR Funds, not summed
45	Connor, Clark & Lunn Investment Management Ltd. 13F CIK 1596800 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	207,396	0.51%	-23,194	Jun 30, 2026	carried, not yet filed for the newest quarter
46	ARDSLEY ADVISORY PARTNERS LP 13F CIK 900529 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	200,000	0.49%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
47	Legato Capital Management LLC 13F CIK 1442641 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	197,981	0.49%	+54,965	Jun 30, 2026	carried, not yet filed for the newest quarter
48	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	197,213	0.49%	+61,628	Jun 30, 2026	carried, not yet filed for the newest quarter
48.1	Nuveen Equity Index Fund Fund S000005360 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	67,990	0.17%	0	Jul 31, 2026	TIAA-CREF Funds, not summed
48.2	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	51,711	0.13%	+7,084	Jul 31, 2026	TIAA-CREF Funds, not summed
48.3	College Retirement Equities Fund - Total Global Stock Account Fund S000005080 · Registered fund · Jun 30, 2026 College Retirement Equities Fund, not summed	20,520	0.05%	0	Jun 30, 2026	College Retirement Equities Fund, not summed
48.4	TIAA Separate Account VA-1 - Stock Index Account Fund S000005098 · Registered fund · Jun 30, 2026 TIAA Separate Account VA-1, not summed	1,551	0.00%	0	Jun 30, 2026	TIAA Separate Account VA-1, not summed
49	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · May 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	193,744	0.48%	+6,728	May 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
50	Invesco Ltd. 13F CIK 914208 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	182,299	0.45%	-1,070,116	Jun 30, 2026	carried, not yet filed for the newest quarter
50.1	Invesco RAFI US 1500 Small-Mid ETF Fund S000013120 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	46,325	0.11%	-10,923	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
50.2	Invesco Russell 2000 Dynamic Multifactor ETF Fund S000064608 · Registered fund · May 31, 2026 Invesco Exchange-Traded Self-Indexed Fund Trust, not summed	3,771	0.01%	-8,058	May 31, 2026	Invesco Exchange-Traded Self-Indexed Fund Trust, not summed

22 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 282 holders

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Key facts CIK 1402829 CUSIP 68628V308 13F (30d) 25 filings 25 filers Visit website Investor relations