SID · National Steel Co · Holdings

$1.38 +0.05 (+3.76%) At close · Sep 10

Market Cap

$1.76B

1.33B

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: 65

Total Value: $26,148,528

Total Shares: 28,422,348

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 65 13F filers · Δ vs Mar 31, 2026

Top Holder

15.9%

+2.2 pts

Top 5

60.4%

+11.3 pts

Top 10

84.1%

+15.7 pts

HHI

903

Broadly held+247

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -20

Institutional value: -42.4%

Shares held: -22.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega UBS Group AG	+1,756,253	3,340,494
Mega CITADEL ADVISORS LLC	+1,365,288	2,207,344
Mid XTX Topco Ltd	+199,948	724,005
Mega TWO SIGMA INVESTMENTS, LP	+178,986	1,040,380
Mega VANGUARD CAPITAL MANAGEMENT LLC	+82,496	4,514,354

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large RENAISSANCE TECHNOLOGIES LLC	−1,407,800	3,611,400
Mega GOLDMAN SACHS GROUP INC	−1,006,198	123,241
Mega BNP PARIBAS ARBITRAGE, SA	−901,310	12,846
Mega MORGAN STANLEY	−793,058	243,461
Mega JPMORGAN CHASE & CO	−747,517	104,442

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large Quadrature Capital Ltd	37,162	$34,189
Large Schonfeld Strategic Advisors LLC	35,020	$32,218
Large Mirae Asset Global Investments Co., Ltd.	14,316	$13,170
Mid Vise Technologies, Inc.	11,203	$10,306
Mid Compound Planning, Inc.	10,905	$10,031

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega AMERICAN CENTURY COMPANIES INC	3,112,770	$3,859,834
Small Headlands Technologies LLC	374,740	$464,677
Small Stokes Family Office, LLC	160,000	$198,400
Mid Engineers Gate Manager LP	138,983	$172,338
Mid Virtu Financial LLC	111,195	$137,881

Filter: New 6 Increased 19 Reduced 26 Sold out 26 Unchanged 14

Showing 69 of 69

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$4,153,205

15.88%

4,514,354

RENAISSANCE TECHNOLOGIES LLC

$3,322,488

12.71%

3,611,400

DIMENSIONAL FUND ADVISORS LP

$3,224,928

12.33%

3,505,358

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.	223,424	$205,550	6.4%	Defined
DFA Australia Ltd.	4,000	$3,680	0.1%	Defined
Dimensional Ireland Ltd	12,052	$11,087	0.3%	Defined
Held directly	3,265,882	$3,004,611	93.2%	Sole

UBS Group AG

$3,073,254

11.75%

3,340,494

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	2,688,094	$2,473,046	80.5%	Defined
UBS Switzerland AG	652,400	$600,208	19.5%	Defined

CITADEL ADVISORS LLC

$1,946,392

7.44%

2,115,644

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	2,115,644	$1,946,392	100.0%	Defined

STATE STREET CORP

$1,566,300

5.99%

1,702,500

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

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC.	1,702,500	$1,566,300	100.0%	Defined

JANE STREET GROUP, LLC

$1,515,371

5.80%

1,647,143

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	533,383	$490,712	32.4%	Defined
Jane Street Global Trading, LLC	1,113,760	$1,024,659	67.6%	Defined

Banque Cantonale Vaudoise

$1,472,000

5.63%

1,600,000

TWO SIGMA INVESTMENTS, LP

$957,149

3.66%

1,040,380

XTX Topco Ltd

$666,084

2.55%

724,005

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	724,005	$666,084	100.0%	Defined

NORTHERN TRUST CORP

$509,015

1.95%

553,278

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	553,278	$509,015	100.0%	Defined

Caption Management, LLC

$470,597

1.80%

511,519

VAN ECK ASSOCIATES CORP

$410,506

1.57%

446,203

BAROMETER CAPITAL MANAGEMENT INC.

$365,148

1.40%

396,900

MARSHALL WACE, LLP

$322,260

1.23%

350,283

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

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	350,283	$322,260	100.0%	Other

VANGUARD FIDUCIARY TRUST CO

$269,566

1.03%

293,007

MORGAN STANLEY

$223,981

0.86%

243,461

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	182,484	$167,885	75.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	2,989	$2,748	1.2%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	57,988	$53,348	23.8%	Defined

MILLENNIUM MANAGEMENT LLC

$218,114

0.83%

237,081

HRT FINANCIAL LP

$193,889

0.74%

210,749

GOLDMAN SACHS GROUP INC

$113,381

0.43%

123,241

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	123,241	$113,381	100.0%	Defined

Invesco Ltd.

$109,450

0.42%

118,968

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Investment Advisers LLC	118,968	$109,450	100.0%	Defined

Inspire Advisors, LLC

$106,792

0.41%

116,079

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

Manager	Shares	Value (USD)	% of position	Discretion
Inspire Investing, LLC	116,079	$106,792	100.0%	Defined

JPMORGAN CHASE & CO

$96,086

0.37%

104,442

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	724	$666	0.7%	Defined
J.P. Morgan Securities plc	103,718	$95,420	99.3%	Defined

STOREBRAND ASSET MANAGEMENT AS

$80,445

0.31%

87,441

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$79,673

0.30%

86,602

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	86,602	$79,673	100.0%	Other

CITADEL ADVISORS LLC

$74,520

0.28%

81,000

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	81,000	$74,520	100.0%	Defined

Inspire Investing, LLC

$69,902

0.27%

75,981

Plan A Wealth LLC

$51,454

0.20%

55,929

Centiva Capital, LP

$46,691

0.18%

50,752

D. E. Shaw & Co., Inc.

$37,708

0.14%

40,988

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.	40,988	$37,708	100.0%	Defined

Quadrature Capital Ltd

$34,189

0.13%

37,162

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

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	37,162	$34,189	100.0%	Other

Schonfeld Strategic Advisors LLC

$32,218

0.12%

35,020

SmartHarvest Portfolios, LLC

$28,995

0.11%

31,517

TUDOR INVESTMENT CORP ET AL

$28,750

0.11%

31,250

LPL Financial LLC

$25,239

0.10%

27,434

R Squared Ltd

$24,734

0.09%

26,885

GAMMA Investing LLC

$23,166

0.09%

25,181

BlackRock, Inc.

$21,079

0.08%

22,912

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

Manager	Shares	Value (USD)	% of position	Discretion
Aperio Group, LLC	22,912	$21,079	100.0%	Sole

MML INVESTORS SERVICES, LLC

$20,620

0.08%

22,414

Vanguard Personalized Indexing Management, LLC

$15,419

0.06%

16,760

Mirae Asset Global Investments Co., Ltd.

$13,170

0.05%

14,316

BNP PARIBAS ARBITRAGE, SA

$11,818

0.05%

12,846

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$11,040

0.04%

12,000

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	12,000	$11,040	100.0%	Other

TWO SIGMA SECURITIES, LLC

$10,588

0.04%

11,509

JANE STREET GROUP, LLC

$10,488

0.04%

11,400

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	11,400	$10,488	100.0%	Defined

Vise Technologies, Inc.

$10,306

0.04%

11,203

Basecamp Wealth Advisors LLC

$10,175

0.04%

11,060

Compound Planning, Inc.

$10,031

0.04%

10,905

CITADEL ADVISORS LLC

$9,844

0.04%

10,700

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	10,700	$9,844	100.0%	Defined

TSFG, LLC

$9,807

0.04%

10,660

Hartree Partners, LP

$9,200

0.04%

10,000

SBI Securities Co., Ltd.

$5,746

0.02%

6,246

OSAIC HOLDINGS, INC.

$4,508

0.02%

4,900

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	4,900	$4,508	100.0%	Defined

Triumph Capital Management

$3,680

0.01%

4,000

PNC FINANCIAL SERVICES GROUP, INC.

$3,680

0.01%

4,000

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

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	4,000	$3,680	100.0%	Defined

Arax Advisory Partners

$2,554

0.01%

2,777

Lodestone Wealth Management LLC

$1,927

0.01%

2,095

JONES FINANCIAL COMPANIES LLLP

$1,865

0.01%

2,028

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

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	2,028	$1,865	100.0%	Sole

NATIONAL BANK OF CANADA /FI/

$1,839

0.01%

1,999

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

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	1,999	$1,839	100.0%	Defined

JFS WEALTH ADVISORS, LLC

$1,578

0.01%

1,716

ASSETMARK, INC

$1,380

0.01%

1,501

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$804

0.00%

874

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	874	$804	100.0%	Defined

EverSource Wealth Advisors, LLC

$559

0.00%

608

Farther Finance Advisors, LLC

$522

0.00%

568

Parallel Advisors, LLC

$474

0.00%

516

Allworth Financial LP

$184

0.00%

200

HUNTINGTON NATIONAL BANK

0.00%

WELLS FARGO & COMPANY/MN

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	1	$1	100.0%	Defined

ROYAL BANK OF CANADA

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC Dominion Securities Inc.	2	$1	100.0%	Defined

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	3,112,770	$3,859,834	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	111,195	$137,881	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	30,000	$37,200	100.0%	Defined

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	26,033	$32,280	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	19,770	$24,514	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Blue Trust, Inc.	14,087	$17,467	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	9,332	$11,571	100.0%	Defined

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	1,498	$1,857	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
ANCORA PRIVATE WEALTH ADVISORS, LLC	1,092	$1,354	100.0%	Sole

Key facts CIK 1049659 CUSIP 20440W105 13F (30d) 37 filings 37 filers Visit website Investor relations