IIIN · Insteel Industries Inc · Holdings

$30.61 +0.16 (+0.53%) At close · Sep 11

Russell 2000 member Rebalance outlook locked

Market Cap

$592.56M

19.36M

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: 189

Total Value: $494,423,458

Total Shares: 16,371,641

Showing 1–100 of 196 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 189 13F filers · Δ vs Mar 31, 2026

Top Holder

9.3%

−8.6 pts

Top 5

32.1%

−9.3 pts

Top 10

46.4%

−7.6 pts

HHI

329

Broadly held−205

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -13

Institutional value: -7.5%

Shares held: +2.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega JANE STREET GROUP, LLC	+381,954	489,999
Mega AQR CAPITAL MANAGEMENT LLC	+230,551	301,372
Mega Qube Research & Technologies Ltd	+216,679	371,738
Mega D. E. Shaw & Co., Inc.	+213,056	219,351
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+201,138	241,102

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−1,325,117	1,523,656
Mega STATE STREET CORP	−324,524	400,968
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	−236,981	195,998
Mega Invesco Ltd.	−160,466	33,287
Mid ALGERT GLOBAL LLC	−159,971	36,380

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large DIAMOND HILL CAPITAL MANAGEMENT INC	298,778	$9,023,095
Large PEAK6 LLC	97,300	$2,938,460
Large Walleye Capital LLC	80,401	$2,428,110
Large Jain Global LLC	77,758	$2,348,291
Mega RAYMOND JAMES FINANCIAL INC	60,901	$1,839,209

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid SEGALL BRYANT & HAMILL, LLC	156,139	$5,247,831
Large LAZARD ASSET MANAGEMENT LLC	116,990	$3,932,033
Mid Ancora Advisors LLC	115,177	$3,871,098
Large RENAISSANCE TECHNOLOGIES LLC	106,940	$3,594,253
Mega PRINCIPAL FINANCIAL GROUP INC	94,697	$3,182,765

Filter: New 43 Increased 81 Reduced 48 Sold out 56 Unchanged 17

Showing 100 of 196

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$46,014,409

9.31%

1,523,656

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	50,660	$1,529,932	3.3%	Sole
BlackRock Asset Management Canada Ltd	74	$2,234	0.0%	Sole
BlackRock Investment Management, LLC	56,790	$1,715,058	3.7%	Sole
BLACKROCK ADVISORS LLC	39,515	$1,193,353	2.6%	Sole
BlackRock Fund Advisors	810,777	$24,485,465	53.2%	Sole
BlackRock Institutional Trust Company, N.A.	554,350	$16,741,370	36.4%	Sole
Aperio Group, LLC	11,484	$346,816	0.8%	Sole
SpiderRock Advisors, LLC	6	$181	0.0%	Sole

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$36,238,731

7.33%

1,199,958

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

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	1,198,262	$36,187,512	99.9%	Defined
Global X Management (AUS) Ltd joint	1,696	$51,219	0.1%	Defined

DIMENSIONAL FUND ADVISORS LP

$35,330,737

7.15%

1,169,892

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.	2,263	$68,342	0.2%	Defined
DFA Australia Ltd.	6,948	$209,829	0.6%	Defined
Dimensional Ireland Ltd	42,466	$1,282,473	3.6%	Defined
Held directly	1,118,215	$33,770,093	95.6%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$24,808,696

5.02%

821,480

GEODE CAPITAL MANAGEMENT, LLC

$16,146,580

3.27%

534,655

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	71,989	$2,174,067	13.5%	Defined
Held directly	462,666	$13,972,513	86.5%	Defined

First Eagle Investment Management, LLC

$15,445,910

3.12%

511,454

ROBOTTI ROBERT

$14,421,406

2.92%

477,530

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

Manager	Shares	Value (USD)	% of position	Discretion
Robotti & Co Advisors, LLC	477,530	$14,421,406	100.0%	Other

JANE STREET GROUP, LLC

$13,251,729

2.68%

438,799

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	105,784	$3,194,676	24.1%	Defined
Jane Street Global Trading, LLC	333,015	$10,057,053	75.9%	Defined

CITADEL ADVISORS LLC

$12,442,157

2.52%

411,992

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	137,578	$4,154,855	33.4%	Defined
Held directly	274,414	$8,287,302	66.6%	Defined

STATE STREET CORP

$12,109,233

2.45%

400,968

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	400,968	$12,109,233	100.0%	Defined

Qube Research & Technologies Ltd

$11,226,487

2.27%

371,738

Cerity Partners LLC

$10,907,031

2.21%

361,160

ROYCE & ASSOCIATES LP

$10,701,913

2.16%

354,368

Bruce & Co., Inc.

$10,371,374

2.10%

343,423

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$9,421,796

1.91%

311,980

AQR CAPITAL MANAGEMENT LLC

$9,101,433

1.84%

301,372

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

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	6	$181	0.0%	Other
Arax Advisory Partners	831	$25,096	0.3%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	988	$29,837	0.3%	Other
Stokes Family Office, LLC	65	$1,963	0.0%	Other
Held directly	299,482	$9,044,356	99.4%	Defined

DIAMOND HILL CAPITAL MANAGEMENT INC

$9,023,095

1.82%

298,778

OPPENHEIMER & CO INC

$7,834,846

1.58%

259,432

HRT FINANCIAL LP

$6,931,262

1.40%

229,512

Bank of New York Mellon Corp

$6,725,538

1.36%

222,700

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

Manager	Shares	Value (USD)	% of position	Discretion
BNY Mellon Trust of Delaware	310	$9,362	0.1%	Defined
Mellon Investments Corporation	182,639	$5,515,697	82.0%	Defined
The Bank of New York Mellon	35,770	$1,080,254	16.1%	Defined
BNY Mellon, NA joint	3,979	$120,165	1.8%	Defined
Held directly	2	$60	0.0%	Defined

JACOBS LEVY EQUITY MANAGEMENT, INC

$6,370,810

1.29%

210,954

Oppenheimer & Close, LLC

$6,045,375

1.22%

200,178

TWO SIGMA INVESTMENTS, LP

$5,973,952

1.21%

197,813

VANGUARD PORTFOLIO MANAGEMENT LLC

$5,919,139

1.20%

195,998

NORTHERN TRUST CORP

$5,527,474

1.12%

183,029

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	176,294	$5,324,078	96.3%	Defined
NORTHERN TRUST GLOBAL INVESTMENTS LTD	3,751	$113,280	2.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	2,984	$90,116	1.6%	Other

GOLDMAN SACHS GROUP INC

$5,149,642

1.04%

170,518

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	141,549	$4,274,779	83.0%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	28,969	$874,863	17.0%	Defined

Owls Nest Partners IA, LLC

$4,980,765

1.01%

164,926

MORGAN STANLEY

$4,786,667

0.97%

158,499

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	28	$845	0.0%	Defined
MORGAN STANLEY & CO. LLC	6,042	$182,468	3.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	114,938	$3,471,127	72.5%	Defined
MORGAN STANLEY SMITH BARNEY LLC	2,712	$81,902	1.7%	Defined
Morgan Stanley Bank, N.A.	1,482	$44,756	0.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	33,297	$1,005,569	21.0%	Defined

Russell Investments Group, Ltd.

$4,650,464

0.94%

153,989

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 joint	81,828	$2,471,204	53.1%	Defined
Russell Investments Canada Limited	754	$22,770	0.5%	Defined
Russell Investments Capital, LLC joint	23,661	$714,562	15.4%	Other
Russell Investments France SAS	18,345	$554,019	11.9%	Defined
Russell Investments Trust Company joint	29,401	$887,909	19.1%	Other

Bridge City Capital, LLC

$4,455,104

0.90%

147,520

MILLENNIUM MANAGEMENT LLC

$4,272,907

0.86%

141,487

CAPTRUST FINANCIAL ADVISORS

$4,218,154

0.85%

139,674

ICON ADVISERS INC/CO

$4,107,200

0.83%

136,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$4,070,960

0.82%

134,800

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	134,800	$4,070,960	100.0%	Other

D. E. Shaw & Co., Inc.

$4,048,340

0.82%

134,051

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.	134,051	$4,048,340	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$3,858,986

0.78%

127,781

AMERICAN CENTURY COMPANIES INC

$3,440,444

0.70%

113,922

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	113,922	$3,440,444	100.0%	Defined

Nuveen, LLC

$3,426,733

0.69%

113,468

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	71,187	$2,149,847	62.7%	Defined
TEACHERS ADVISORS, LLC joint	42,281	$1,276,886	37.3%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$3,210,320

0.65%

106,302

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	106,302	$3,210,320	100.0%	Other

ISTHMUS PARTNERS, LLC

$3,072,910

0.62%

101,752

Point72 Asset Management, L.P.

$2,728,358

0.55%

90,343

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$2,706,010

0.55%

89,603

Y-Intercept (Hong Kong) Ltd

$2,633,560

0.53%

87,204

Numerai GP LLC

$2,497,026

0.51%

82,683

Walleye Capital LLC

$2,428,110

0.49%

80,401

CHATHAM CAPITAL GROUP, INC.

$2,412,164

0.49%

79,873

BANK OF AMERICA CORP /DE/

$2,352,730

0.48%

77,905

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	62,288	$1,881,097	80.0%	Defined
BOFA SECURITIES, INC.	15,617	$471,633	20.0%	Defined

Jain Global LLC

$2,348,291

0.47%

77,758

FIRST TRUST ADVISORS LP

$1,986,525

0.40%

65,779

RAYMOND JAMES FINANCIAL INC

$1,839,209

0.37%

60,901

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	89	$2,687	0.1%	Defined
Raymond James Financial Services Advisors, Inc.	60,812	$1,836,522	99.9%	Defined

PEAK6 LLC

$1,812,000

0.37%

60,000

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

Manager	Shares	Value (USD)	% of position	Discretion
PEAK6 Investments LLC joint	60,000	$1,812,000	100.0%	Defined

Balyasny Asset Management L.P.

$1,754,287

0.35%

58,089

Squarepoint Ops LLC

$1,697,964

0.34%

56,224

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	56,224	$1,697,964	100.0%	Defined

Linden Thomas Advisory Services, LLC

$1,655,201

0.33%

54,808

D. E. Shaw & Co., Inc.

$1,624,760

0.33%

53,800

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.	53,800	$1,624,760	100.0%	Defined

TUDOR INVESTMENT CORP ET AL

$1,550,075

0.31%

51,327

VICTORY CAPITAL MANAGEMENT INC

$1,540,200

0.31%

51,000

Catalyst Funds Management Pty Ltd

$1,534,160

0.31%

50,800

Cardinal Capital Management

$1,507,131

0.30%

49,905

KENNEDY CAPITAL MANAGEMENT LLC

$1,469,350

0.30%

48,654

WEDGE CAPITAL MANAGEMENT L L P/NC

$1,453,526

0.29%

48,130

CITADEL ADVISORS LLC

$1,431,480

0.29%

47,400

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	47,400	$1,431,480	100.0%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$1,399,015

0.28%

46,325

Mountain Lake Investment Management LLC

$1,336,652

0.27%

44,260

UBS Group AG

$1,300,412

0.26%

43,060

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	1,075	$32,465	2.5%	Defined
UBS AG	41,985	$1,267,947	97.5%	Defined

Quantinno Capital Management LP

$1,291,352

0.26%

42,760

GRACE & WHITE INC /NY

$1,220,955

0.25%

40,429

SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC

$1,195,165

0.24%

39,575

Cresset Asset Management, LLC

$1,184,776

0.24%

39,231

Quadrature Capital Ltd

$1,134,010

0.23%

37,550

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

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	37,550	$1,134,010	100.0%	Other

PEAK6 LLC

$1,126,460

0.23%

37,300

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

Manager	Shares	Value (USD)	% of position	Discretion
PEAK6 Investments LLC joint	37,300	$1,126,460	100.0%	Defined

Connor, Clark & Lunn Investment Management Ltd.

$1,118,336

0.23%

37,031

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	37,031	$1,118,336	100.0%	Sole

ALGERT GLOBAL LLC

$1,098,676

0.22%

36,380

ExodusPoint Capital Management, LP

$1,070,892

0.22%

35,460

PRICE T ROWE ASSOCIATES INC /MD/

$1,014,901

0.21%

33,606

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	33,606	$1,014,901	100.0%	Defined

Invesco Ltd.

$1,005,266

0.20%

33,287

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	2,525	$76,254	7.6%	Defined
Invesco Trust Co joint	7,552	$228,070	22.7%	Defined
Invesco Capital Management LLC	23,210	$700,942	69.7%	Defined

D. E. Shaw & Co., Inc.

$951,300

0.19%

31,500

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.	31,500	$951,300	100.0%	Defined

CM WEALTH ADVISORS LLC

$932,364

0.19%

30,873

AMERIPRISE FINANCIAL INC

$926,143

0.19%

30,667

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	30,435	$919,137	99.2%	Defined
Ameriprise Financial Services, LLC	232	$7,006	0.8%	Defined

JANE STREET GROUP, LLC

$893,920

0.18%

29,600

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	29,600	$893,920	100.0%	Defined

Aquatic Capital Management LLC

$859,008

0.17%

28,444

BNP PARIBAS ARBITRAGE, SA

$850,250

0.17%

28,154

RHUMBLINE ADVISERS

$733,376

0.15%

24,284

EntryPoint Capital, LLC

$705,109

0.14%

23,348

Canal Capital Management, LLC

$698,042

0.14%

23,114

HSBC HOLDINGS PLC

$692,637

0.14%

22,935

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	22,935	$692,637	100.0%	Defined

JANE STREET GROUP, LLC

$652,320

0.13%

21,600

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	21,600	$652,320	100.0%	Defined

XTX Topco Ltd

$644,709

0.13%

21,348

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	21,348	$644,709	100.0%	Defined

Jump Financial, LLC

$588,838

0.12%

19,498

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

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	1,124	$33,944	5.8%	Defined
Leap GP LLC joint	18,374	$554,894	94.2%	Defined

FRANKLIN RESOURCES INC

$585,939

0.12%

19,402

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

Manager	Shares	Value (USD)	% of position	Discretion
FIDUCIARY TRUST CO INTERNATIONAL	12	$362	0.1%	Defined
FIDUCIARY TRUST INTERNATIONAL LLC	1,643	$49,618	8.5%	Defined
FRANKLIN ADVISERS INC	17,747	$535,959	91.5%	Defined

SIMPLEX TRADING, LLC

$575,521

0.12%

19,057

Unison Advisors LLC

$566,461

0.11%

18,757

DEUTSCHE BANK AG\

$558,911

0.11%

18,507

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

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	18,507	$558,911	100.0%	Defined

Brevan Howard Capital Management LP

$549,217

0.11%

18,186

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

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	18,186	$549,217	100.0%	Defined

OSAIC HOLDINGS, INC.

$536,291

0.11%

17,758

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	17,150	$517,930	96.6%	Defined
Osaic Advisory Services, LLC	608	$18,361	3.4%	Defined

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$526,265

0.11%

17,426

Boston Partners

$505,789

0.10%

16,748

Schonfeld Strategic Advisors LLC

$502,286

0.10%

16,632

Summit Global Investments

$497,212

0.10%

16,464

ALLIANCEBERNSTEIN L.P.

$487,428

0.10%

16,140

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

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	16,140	$487,428	100.0%	Defined

Key facts CIK 764401 CUSIP 45774W108 13F (30d) 60 filings 60 filers Visit website Investor relations