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Companhia Siderúrgica Nacional
SID

84 hedge funds and large institutions have $45.1M invested in Companhia Siderúrgica Nacional in 2026 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 19 increasing their positions, 35 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

73% more call options, than puts

Call options by funds: $362K | Put options by funds: $209K

11% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 18

1% more funds holding

Funds holding: 83 → 84 (+1)

0.22% less ownership

Funds ownership: 2.96% → 2.74% (-0.22%)

29% less capital invested

Capital invested by funds: $63.4M → $45.1M (-$18.3M)

46% less repeat investments, than reductions

Existing positions increased: 19 | Existing positions reduced: 35

Holders
84
Holders Change
+1
Holders Change %
+1.2%
% of All Funds
1.03%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
19
Reduced
35
Closed
18
Calls
$362K
Puts
$209K
Net Calls
+$153K
Net Calls Change
+$234K

Top Buyers

1
Renaissance Technologies
Renaissance Technologies
New York
+$2.42M
2
BCV
Banque Cantonale Vaudoise
Switzerland
+$1.31M
3
CM
Caption Management
Oklahoma
+$1.08M
4
American Century Companies
American Century Companies
Missouri
+$925K
5
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$707K

Top Sellers

1
Millennium Management
Millennium Management
New York
-$3.8M
2
Citadel Advisors
Citadel Advisors
Florida
-$1.96M
3
Two Sigma Investments
Two Sigma Investments
New York
-$1.75M
4
Bank of America
Bank of America
North Carolina
-$1.17M
5
Jane Street
Jane Street
New York
-$1.12M
Name Holding Trade Value Shares
Change 		Change in
Stake
FFA
76
Farther Finance Advisors
California
$721 – – –
PA
77
Parallel Advisors
California
$640 -$4.07K -2,494 -83%
CIAM
78
Caitong International Asset Management
Hong Kong
$556 -$35.7K -21,883 -98%
S
79
SignatureFD
Georgia
$541 -$2.33K -1,429 -77%
RhumbLine Advisers
80
RhumbLine Advisers
Massachusetts
$527 -$604 -370 -47%
AssetMark Inc
81
AssetMark Inc
California
$353 -$3.17K -1,938 -87%
AF
82
Allworth Financial
California
$248 – – –
HNB
83
Huntington National Bank
Ohio
$1 – – –
Two Sigma Advisers
84
Two Sigma Advisers
New York
– -$789K -493,300 Closed
QC
85
Quadrature Capital
United Kingdom
– -$459K -286,586 Closed
AAM
86
Advisors Asset Management
Colorado
– -$186K -116,350 Closed
CIBC World Market
87
CIBC World Market
Ontario, Canada
– -$183K -114,500 Closed
GC
88
Guggenheim Capital
Illinois
– -$95.7K -59,804 Closed
KI
89
Kapitalo Investimentos
Brazil
– -$90.8K -56,779 Closed
VM
90
VPR Management
Texas
– -$89.2K -55,740 Closed
ACM
91
Aquatic Capital Management
Illinois
– -$68.2K -42,643 Closed
Qube Research & Technologies (QRT)
92
Qube Research & Technologies (QRT)
United Kingdom
– -$57K -35,610 Closed
VCM
93
Voleon Capital Management
California
– -$53.8K -33,648 Closed
Corient Private Wealth
94
Corient Private Wealth
Florida
– -$36.3K -22,700 Closed
IAS
95
Insigneo Advisory Services
Florida
– -$35.6K -22,260 Closed
Mirae Asset Global Investments
96
Mirae Asset Global Investments
South Korea
– -$33.7K -21,091 Closed
Citigroup
97
Citigroup
New York
– -$20K -12,481 Closed
AWA
98
Argos Wealth Advisors
California
– -$17.2K -10,762 Closed
US Bancorp
99
US Bancorp
Minnesota
– -$8.5K -5,310 Closed
GAFA
100
Garton & Associates Financial Advisors
Kentucky
– -$5.07K -3,169 Closed
1 2 3
4
5

SID Hedge Fund Activity: Q1 2026 in Review

84 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Companhia Siderúrgica Nacional (SID) for Q1 2026, worth a combined $45.1M — down 29% from $63.4M a quarter earlier.

Buyers outnumbered sellers: 20 funds opened new SID positions and 18 closed out — a net gain of 2 holders — while 19 added to existing stakes and 35 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $2.42M. The largest seller was Millennium Management, cutting an estimated $3.8M.

  • 84 institutional investors held Companhia Siderúrgica Nacional (SID) as of Q1 2026, up from 83 in Q4 2025.
  • Funds reported $45.1M of Companhia Siderúrgica Nacional stock for Q1 2026, down 29% quarter-over-quarter.
  • 20 funds opened new Companhia Siderúrgica Nacional positions in Q1 2026 and 18 closed out, a net change of +2 holders.
  • The largest Companhia Siderúrgica Nacional buyer in Q1 2026 was Renaissance Technologies, an estimated $2.42M added.
  • The largest Companhia Siderúrgica Nacional seller in Q1 2026 was Millennium Management, an estimated $3.8M sold.

Based on aggregated 13F filings for Q1 2026.