Grupo Simec, S.A.B. de C.V.
Grupo Simec, S.A.B. de C.V. (SIM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SIM · as of Sep 30, 2025
Ownership Breakdown
13
Institutional Holders
▼ 1 vs Q2
$7.00M
Total Inst. Value
▲ $169,259 vs Q2
165.90M
Shares Outstanding
freeFloat 43.82%
250,317
13F Shares Held
▼ 2,813 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SIM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
RENAISSANCE TECHNOLOGIES LLC steel works, blast furnaces & rolling mills (coke ovens) | 210.9K | 12.71% | 12.71% | $5.90B | Nov 13, 2025 | ▼ 2.7K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP steel works, blast furnaces & rolling mills (coke ovens) | 21.4K | 1.29% | 1.29% | $599.06M | Nov 14, 2025 | — held |
DIMENSIONAL FUND ADVISORS LP steel works, blast furnaces & rolling mills (coke ovens) | 14.1K | 0.85% | 0.85% | $395.11M | Nov 12, 2025 | — held |
ACADIAN ASSET MANAGEMENT LLC steel works, blast furnaces & rolling mills (coke ovens) | 1.1K | 0.07% | 0.07% | $31.00M | Nov 13, 2025 | — held |
UBS GROUP AG steel works, blast furnaces & rolling mills (coke ovens) | 916 | 0.06% | 0.06% | $23.36M | Nov 13, 2025 | ▲ 37 |
BLACKROCK, INC. steel works, blast furnaces & rolling mills (coke ovens) | 874 | 0.05% | 0.05% | $22.29M | Nov 12, 2025 | — held |
JPMORGAN CHASE & CO steel works, blast furnaces & rolling mills (coke ovens) | 670 | 0.04% | 0.04% | $18.60M | Nov 26, 2025 | — held |
ADVISOR GROUP HOLDINGS, INC. steel works, blast furnaces & rolling mills (coke ovens) | 166 | 0.01% | 0.01% | $4.65M | Nov 14, 2025 | — held |
EVERSOURCE WEALTH ADVISORS, LLC steel works, blast furnaces & rolling mills (coke ovens) | 58 | 0.00% | 0.00% | $1.48M | Nov 10, 2025 | ▼ 13 |
MORGAN STANLEY steel works, blast furnaces & rolling mills (coke ovens) | 44 | 0.00% | 0.00% | $1.15M | May 27, 2026 | ▼ 88 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
2
Increased
+38 shares0
New Positions
first time holders3
Decreased
−2.8K shares1
Sold Out
fully exitedNet shares change (top 50)
2.8K
+38 / −2.8K
Net new holders
-2
0 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SIM insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Grupo Simec, S.A.B. de C.V. (SIM) is primarily owned by institutional investors, who hold approximately 0.1% of total shares outstanding. Company insiders own approximately 56.18%, while retail and public investors account for the remaining 43.67%.
The largest institutional shareholder of Grupo Simec, S.A.B. de C.V. is RENAISSANCE TECHNOLOGIES LLC, holding approximately 210,870 shares — equal to 12.71% of outstanding shares — as of September 30, 2025.
A total of 13 institutional investors currently hold SIM stock, with a combined institutional value of approximately $7,003,449 as of the most recent 13F filing period.
Frequently asked questions
SIM ownershipGrupo Simec, S.A.B. de C.V. (SIM) is primarily owned by institutional investors, who hold approximately 0.1% of shares. The largest shareholder is RENAISSANCE TECHNOLOGIES LLC with a 12.71% stake. Company insiders hold 56.18%. Data sourced from SEC Form 13F as of September 30, 2025.