Strattec Security Corporation
Strattec Security Corporation (STRT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · STRT · as of Sep 30, 2025
Ownership Breakdown
112
Institutional Holders
▲ 14 vs Q2
$224.43M
Total Inst. Value
▲ $33.52M vs Q2
4.18M
Shares Outstanding
freeFloat 96.57%
3.30M
13F Shares Held
▲ 228,340 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
STRT largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
GAMCO INVESTORS, INC. ET AL motor vehicle parts & accessories | 596.0K | 14.79% | 14.79% | $40.57B | Nov 12, 2025 | ▼ 81.1K |
BLACKROCK, INC. motor vehicle parts & accessories | 284.1K | 7.05% | 7.05% | $19.33B | Nov 12, 2025 | ▲ 53.1K |
DIMENSIONAL FUND ADVISORS LP motor vehicle parts & accessories | 239.8K | 5.95% | 5.95% | $16.32B | Nov 12, 2025 | ▼ 1.7K |
VANGUARD GROUP INC motor vehicle parts & accessories | 238.9K | 5.93% | 5.93% | $16.26B | Nov 7, 2025 | ▲ 5.3K |
GABELLI FUNDS LLC motor vehicle parts & accessories | 138.1K | 3.43% | 3.43% | $9.40B | Nov 12, 2025 | ▲ 106.9K |
MILLENNIUM MANAGEMENT LLC motor vehicle parts & accessories | 112.3K | 2.79% | 2.79% | $7.64B | Nov 14, 2025 | ▲ 60.6K |
ACADIAN ASSET MANAGEMENT LLC motor vehicle parts & accessories | 106.8K | 2.65% | 2.65% | $7.26B | Nov 13, 2025 | ▲ 7.2K |
AMERICAN CENTURY COMPANIES INC motor vehicle parts & accessories | 101.3K | 2.51% | 2.51% | $6.89B | Nov 12, 2025 | ▲ 32.8K |
RENAISSANCE TECHNOLOGIES LLC motor vehicle parts & accessories | 98.9K | 2.45% | 2.45% | $6.73B | Nov 13, 2025 | ▼ 31.9K |
GEODE CAPITAL MANAGEMENT, LLC motor vehicle parts & accessories | 90.8K | 2.25% | 2.25% | $6.18B | Nov 12, 2025 | ▲ 454 |
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
25
Increased
+476.8K shares9
New Positions
first time holders14
Decreased
−238.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+238.6K
+476.8K / −238.2K
Net new holders
+20
9 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
STRT insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
4
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Pauli Matthew SVP & CFO | May 12, 2026 | Purchase | 2,000 | $62.53 | $125.1K | 2.0K | Form 4 ↗ |
Slater Jennifer Lynn President & CEO | May 13, 2026 | Purchase | 800.56 | $62.46 | $50.0K | 57.9K | Form 4 ↗ |
Slater Jennifer Lynn President & CEO | May 12, 2026 | Purchase | 797.28 | $62.71 | $50.0K | 57.1K | Form 4 ↗ |
LIEBAU FREDERIC JACK JR director | May 12, 2026 | Purchase | 1,000 | $61.37 | $61.4K | 7.7K | Form 4 ↗ |
Pauli Matthew SVP & CFO | Nov 13, 2025 | Tax Withhold | 814 | — | — | 7.9K | Form 4 ↗ |
Messina Richard P VP & Chief Technical Officer | Nov 17, 2025 | Sale | 3,000 | $66.35 | $199.0K | 11.6K | Form 4 ↗ |
Slater Jennifer Lynn President & CEO | Oct 25, 2025 | Tax Withhold | 2,645 | — | — | 56.3K | Form 4 ↗ |
Chang Tina M director | Oct 15, 2025 | Award | 1,243 | $68.38 | $85.0K | 9.0K | Form 4 ↗ |
LISMAN BRUCE M director | Oct 15, 2025 | Award | 1,243 | $68.38 | $85.0K | 9.7K | Form 4 ↗ |
FLORSHEIM THOMAS W JR director | Oct 15, 2025 | Award | 1,243 | $68.38 | $85.0K | 19.7K | Form 4 ↗ |
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
Strattec Security Corporation (STRT) is primarily owned by institutional investors, who hold approximately 78.9% of total shares outstanding. Company insiders own approximately 3.43%, while retail and public investors account for the remaining 17.67%.
The largest institutional shareholder of Strattec Security Corporation is GAMCO INVESTORS, INC. ET AL, holding approximately 596,045 shares — equal to 14.79% of outstanding shares — as of September 30, 2025.
A total of 112 institutional investors currently hold STRT stock, with a combined institutional value of approximately $224,425,047 as of the most recent 13F filing period.
Frequently asked questions
STRT ownershipStrattec Security Corporation (STRT) is primarily owned by institutional investors, who hold approximately 78.9% of shares. The largest shareholder is GAMCO INVESTORS, INC. ET AL with a 14.79% stake. Company insiders hold 3.43%. Data sourced from SEC Form 13F as of September 30, 2025.