Skip to main content
Equibles

SID

National Steel Co

Company with tickers: SID

CIK
1049659
CUSIP
20440W105
Shares Outstanding
1,326,093,947
13F Activity (30d)
68 filings 63 filers

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.

Holders: 84
Total Value: $45,415,310
Total Shares: 36,625,286

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 84 13F filers · Δ vs Dec 31, 2025
Top Holder
13.7%
Jun 2023 → Mar 2026 · range 12.2% – 17.6%
+1.5 pts
Top 5
49.1%
Jun 2023 → Mar 2026 · range 42.6% – 59.8%
+4.1 pts
Top 10
68.5%
Jun 2023 → Mar 2026 · range 65.8% – 79.4%
−1.5 pts
HHI
657
Jun 2023 → Mar 2026 · range 605 – 911
Broadly held+51

Quarterly Activity

vs Dec 31, 2025
New
21
Increased
19
Decreased
35
Sold Out
19
Unchanged
9
Holder count: +2
Institutional value: -27.7%
Shares held: -6.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large RENAISSANCE TECHNOLOGIES LLC +1,481,300 5,019,200
Mid Banque Cantonale Vaudoise +800,000 1,600,000
Mega AMERICAN CENTURY COMPANIES INC +566,433 3,112,770
Mega BNP PARIBAS ARBITRAGE, SA +433,177 914,156
Large MARSHALL WACE, LLP +407,118 988,116

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC −2,327,399 835,553
Mega CITADEL ADVISORS LLC −1,199,952 842,056
Mega TWO SIGMA INVESTMENTS, LP −1,074,472 861,394
Mega JANE STREET GROUP, LLC −729,551 1,854,638
Mega BANK OF AMERICA CORP /DE/ −717,436 26,033

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 4,431,858 $5,495,503
Large Caption Management, LLC 663,426 $822,648
Mega VANGUARD FIDUCIARY TRUST CO 293,007 $363,328
Large TUDOR INVESTMENT CORP ET AL 281,250 $348,750
Mid Engineers Gate Manager LP 138,983 $172,338

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 4,804,030 $7,686,447
Large TWO SIGMA ADVISERS, LP 493,300 $789,280
Mid Quadrature Capital Ltd 286,586 $458,537
Mid Advisors Asset Management, Inc. 116,350 $186,160
Large CIBC WORLD MARKET INC. 114,500 $183,200
Filter: New 21 Increased 19 Reduced 35 Sold out 19 Unchanged 9
Showing 86 of 86
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Large RENAISSANCE TECHNOLOGIES LLC $6,223,808 13.70% 5,019,200
Mega VANGUARD CAPITAL MANAGEMENT LLC $5,495,503 12.10% 4,431,858
Mega DIMENSIONAL FUND ADVISORS LP $4,440,766 9.78% 3,581,264
Mega AMERICAN CENTURY COMPANIES INC $3,859,834 8.50% 3,112,770
Mega JANE STREET GROUP, LLC $2,299,750 5.06% 1,854,638
Mega STATE STREET CORP $2,135,219 4.70% 1,721,951
Mid Banque Cantonale Vaudoise $1,984,000 4.37% 1,600,000
Mega UBS Group AG $1,964,458 4.33% 1,584,241
Mega GOLDMAN SACHS GROUP INC $1,400,504 3.08% 1,129,439
Mega MORGAN STANLEY $1,285,282 2.83% 1,036,519
Large MARSHALL WACE, LLP $1,225,263 2.70% 988,116
Mega BNP PARIBAS ARBITRAGE, SA $1,133,553 2.50% 914,156
Mega TWO SIGMA INVESTMENTS, LP $1,068,128 2.35% 861,394
Mega JPMORGAN CHASE & CO $1,056,427 2.33% 851,959
Mega MILLENNIUM MANAGEMENT LLC $1,036,085 2.28% 835,553
Mega CITADEL ADVISORS LLC $1,001,493 2.21% 807,656
Large Caption Management, LLC $822,648 1.81% 663,426
Mega NORTHERN TRUST CORP Bank $693,092 1.53% 558,946
Mid XTX Topco Ltd $649,830 1.43% 524,057
Large HRT FINANCIAL LP $593,833 1.31% 478,898
Mega BlackRock, Inc. $518,505 1.14% 418,150
Mega VAN ECK ASSOCIATES CORP $481,752 1.06% 388,510
Small BAROMETER CAPITAL MANAGEMENT INC. $464,752 1.02% 374,800
Small Headlands Technologies LLC $464,677 1.02% 374,740
Mega VANGUARD FIDUCIARY TRUST CO Bank $363,328 0.80% 293,007
Large TUDOR INVESTMENT CORP ET AL $310,000 0.68% 250,000
Large STOREBRAND ASSET MANAGEMENT AS $278,789 0.61% 224,830
Small Stokes Family Office, LLC Family Office $198,400 0.44% 160,000
Mid Engineers Gate Manager LP $172,338 0.38% 138,983
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $162,322 0.36% 130,906
Mega Invesco Ltd. $153,816 0.34% 124,046
Mid Virtu Financial LLC $137,881 0.30% 111,195
Small Inspire Advisors, LLC $103,977 0.23% 83,853
Small TWO SIGMA SECURITIES, LLC Broker-Dealer $99,958 0.22% 80,612
Large Point72 Asset Management, L.P. $72,402 0.16% 58,389
Mega LPL Financial LLC $67,287 0.15% 54,264
Mid Inspire Investing, LLC $64,937 0.14% 52,369
Small EntryPoint Capital, LLC $62,579 0.14% 50,467
Mid SIMPLEX TRADING, LLC $55,320 0.12% 44,613
Small Scientech Research LLC $52,567 0.12% 42,393
Mega D. E. Shaw & Co., Inc. $50,660 0.11% 40,855
Large Centiva Capital, LP $50,593 0.11% 40,801
Micro Plan A Wealth LLC $47,465 0.10% 38,279
Small First Affirmative Financial Network $45,273 0.10% 36,511
Mega CITADEL ADVISORS LLC $42,656 0.09% 34,400
Small SmartHarvest Portfolios, LLC $41,187 0.09% 33,216
Large TUDOR INVESTMENT CORP ET AL $38,750 0.09% 31,250
Mid Tower Research Capital LLC (TRC) $37,200 0.08% 30,000
Small AXQ CAPITAL, LP $33,760 0.07% 27,226
Mega BANK OF AMERICA CORP /DE/ Bank $32,280 0.07% 26,033
Small R Squared Ltd $29,394 0.06% 23,705
Small LARCH CAPITAL PARTNERS LLC $28,956 0.06% 23,352
Small Hartree Partners, LP $24,800 0.05% 20,000
Large SG Americas Securities, LLC Broker-Dealer $24,711 0.05% 19,929
Mega HSBC HOLDINGS PLC $24,514 0.05% 19,770
Mid Vanguard Personalized Indexing Management, LLC $23,830 0.05% 19,218
Large MML INVESTORS SERVICES, LLC $23,742 0.05% 19,147
Small Aigen Investment Management, LP $23,509 0.05% 18,959
Mega WELLS FARGO & COMPANY/MN $20,460 0.05% 16,500
Mid EverSource Wealth Advisors, LLC $19,156 0.04% 15,450
Large Vident Advisory, LLC $17,467 0.04% 14,087
Small TSFG, LLC $13,218 0.03% 10,660
Large Mariner, LLC $12,545 0.03% 10,117
Mega BARCLAYS PLC $11,571 0.03% 9,332
Mid SBI Securities Co., Ltd. Broker-Dealer $8,780 0.02% 7,081
Large OSAIC HOLDINGS, INC. $6,076 0.01% 4,900
Mega PNC FINANCIAL SERVICES GROUP, INC. $4,960 0.01% 4,000
Mid GAMMA Investing LLC $3,643 0.01% 2,938
Small Lodestone Wealth Management LLC $2,597 0.01% 2,095
Small Triumph Capital Management $2,480 0.01% 2,000
Small JFS WEALTH ADVISORS, LLC $2,127 0.00% 1,716
Large JONES FINANCIAL COMPANIES LLLP $2,091 0.00% 1,687
Mega FMR LLC $1,857 0.00% 1,498
Mid Ancora Advisors LLC $1,354 0.00% 1,092
Large NATIONAL BANK OF CANADA /FI/ Bank $1,189 0.00% 959
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,083 0.00% 874
Large CWM, LLC $744 0.00% 600
Mid Farther Finance Advisors, LLC $704 0.00% 568
Mid Parallel Advisors, LLC $639 0.00% 516
Small Caitong International Asset Management Co., Ltd $555 0.00% 448
Mid SIGNATUREFD, LLC $540 0.00% 436
Mega RHUMBLINE ADVISERS $527 0.00% 425
Large ASSETMARK, INC $353 0.00% 285
Mid Allworth Financial LP $248 0.00% 200
Mega ROYAL BANK OF CANADA Bank $2 0.00% 2
Large HUNTINGTON NATIONAL BANK Bank $1 0.00% 1

Report a Problem

Category
Description
Email (optional, for follow-up)