STRATTEC SECURITY CORP (STRT) Institutional Shareholders
STRATTEC SECURITY CORP (STRT) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $268.43M in STRT holdings during the latest filing period.
Gamco Investors, Inc. Et Al is currently the largest disclosed institutional shareholder of STRT tracked by InsiderSet, reporting ownership valued at approximately $40.31M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $45.53M, representing an estimated gain of +12.94% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 62% of the total disclosed STRT value among the investors covered in this analysis. Major shareholders include Gamco Investors, Inc. Et Al, Blackrock, Inc., Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in STRATTEC SECURITY CORP (STRT).
This page ranks the largest institutional STRT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
128
Total Reported Value
$268.43M
Largest Holder
Gamco Investors, Inc. Et Al
Largest Position
$40.31M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
149
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Gamco Investors, Inc. Et Al | 0.40% | 514,529 | $40,308,202 | $45,525,526 | +$5,217,324 | +12.94% | |
| Blackrock, Inc. | 0.00% | 306,256 | $23,992,095 | $27,097,531 | +$3,105,436 | +12.94% | |
| Dimensional Fund Advisors Lp | 0.00% | 248,136 | $19,437,921 | $21,955,073 | +$2,517,152 | +12.95% | |
| Gabelli Funds Llc | 0.13% | 247,800 | $19,412,652 | $21,925,344 | +$2,512,692 | +12.94% | |
| Alliancebernstein L.P. | 0.01% | 217,253 | $16,541,643 | $19,222,545 | +$2,680,902 | +16.21% | |
| Vanguard Capital Management Llc | 0.00% | 179,692 | $14,077,071 | $15,899,148 | +$1,822,077 | +12.94% | |
| American Century Companies Inc | 0.01% | 143,669 | $11,255,029 | $12,711,833 | +$1,456,804 | +12.94% | |
| Geode Capital Management, Llc | 0.00% | 98,716 | $7,735,525 | $8,734,392 | +$998,867 | +12.91% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 93,806 | $7,348,762 | $8,299,955 | +$951,193 | +12.94% |
| Jacobs Levy Equity Management, Inc | 0.03% | 91,624 | $7,177,824 | $8,106,892 | +$929,068 | +12.94% | |
| State Street Corp | 0.00% | 83,618 | $6,550,634 | $7,398,521 | +$847,887 | +12.94% | |
| Bridgeway Capital Management, Llc | 0.13% | 80,210 | $6,283,651 | $7,096,981 | +$813,330 | +12.94% | |
| Ameriprise Financial Inc | 0.00% | 69,397 | $5,436,562 | $6,140,247 | +$703,685 | +12.94% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 59,681 | $4,750,608 | $5,280,575 | +$529,967 | +11.16% | |
| De Lisle Partners Llp | 0.46% | 48,842 | $3,834,290 | $4,321,540 | +$487,250 | +12.71% | |
| Vanguard Portfolio Management Llc | 0.00% | 46,272 | $3,624,948 | $4,094,147 | +$469,199 | +12.94% | |
| O'Shaughnessy Asset Management, Llc | 0.02% | 45,134 | $3,535,798 | $3,993,456 | +$457,658 | +12.94% | |
| Aqr Capital Management Llc | 0.00% | 42,589 | $3,336,422 | $3,768,275 | +$431,853 | +12.94% | |
| Lazard Asset Management Llc | 0.01% | 40,995 | $3,211,548 | $3,627,238 | +$415,690 | +12.94% | |
| Northern Trust Corp | 0.00% | 38,740 | $3,034,892 | $3,427,715 | +$392,823 | +12.94% | |
| Charles Schwab Investment Management Inc | 0.00% | 34,405 | $2,695,288 | $3,044,154 | +$348,866 | +12.94% | |
| Factorial Partners, Llc | 1.72% | 30,246 | $2,369,472 | $2,676,166 | +$306,694 | +12.94% | |
| Invesco Ltd. | 0.00% | 29,750 | $2,330,614 | $2,632,280 | +$301,666 | +12.94% | |
| Vanguard Fiduciary Trust Co | 0.00% | 28,020 | $2,195,087 | $2,479,210 | +$284,123 | +12.94% | |
| Jane Street Group, Llc | 0.00% | 28,000 | $2,193,520 | $2,477,440 | +$283,920 | +12.94% | |
| Qube Research & Technologies Ltd | 0.00% | 27,552 | $2,158,424 | $2,437,801 | +$279,377 | +12.94% | |
| Empowered Funds, Llc | 0.01% | 24,898 | $1,950,509 | $2,202,975 | +$252,466 | +12.94% | |
| Bank Of New York Mellon Corp | 0.00% | 23,673 | $1,854,532 | $2,094,587 | +$240,055 | +12.94% | |
| Morgan Stanley | 0.00% | 22,124 | $1,733,266 | $1,957,532 | +$224,266 | +12.94% | |
| Nilsine Partners, Llc | 0.12% | 21,217 | $1,728,125 | $1,877,280 | +$149,155 | +8.63% | |
| Teton Advisors, Llc | 1.17% | 21,300 | $1,668,642 | $1,884,624 | +$215,982 | +12.94% | |
| Goldman Sachs Group Inc | 0.00% | 19,843 | $1,554,501 | $1,755,709 | +$201,208 | +12.94% | |
| Baird Financial Group, Inc. | 0.00% | 17,755 | $1,390,927 | $1,570,962 | +$180,035 | +12.94% | |
| Sei Investments Co | 0.00% | 17,682 | $1,385,208 | $1,564,503 | +$179,295 | +12.94% | |
| Ritholtz Wealth Management | 0.02% | 16,886 | $1,322,849 | $1,494,073 | +$171,224 | +12.94% | |
| Martingale Asset Management L P | 0.03% | 16,215 | $1,270,284 | $1,434,703 | +$164,419 | +12.94% | |
| Panagora Asset Management Inc | 0.00% | 15,292 | $1,197,975 | $1,353,036 | +$155,061 | +12.94% | |
| Ubs Group Ag | 0.00% | 15,018 | $1,176,510 | $1,328,793 | +$152,283 | +12.94% | |
| Informed Momentum Co Llc | 0.13% | 14,567 | $1,141,179 | $1,288,888 | +$147,709 | +12.94% | |
| Integrated Quantitative Investments Llc | 0.19% | 13,457 | $1,054,221 | $1,190,675 | +$136,454 | +12.94% | |
| First Trust Advisors Lp | 0.00% | 13,292 | $1,041,295 | $1,176,076 | +$134,781 | +12.94% | |
| Pfg Advisors | 0.05% | 12,465 | $1,015,274 | $1,102,903 | +$87,629 | +8.63% | |
| Millennium Management Llc | 0.00% | 11,550 | $904,827 | $1,021,944 | +$117,117 | +12.94% | |
| Central Pacific Bank - Trust Division | 0.09% | 10,300 | $838,935 | $911,344 | +$72,409 | +8.63% | |
| Arete Wealth Advisors, Llc | 0.06% | 10,559 | $830,570 | $934,260 | +$103,690 | +12.48% | |
| Man Group Plc | 0.00% | 10,111 | $792,096 | $894,621 | +$102,525 | +12.94% | |
| Franklin Resources Inc | 0.00% | 9,484 | $742,976 | $839,144 | +$96,168 | +12.94% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 8,817 | $690,724 | $780,128 | +$89,404 | +12.94% | |
| Public Employees Retirement System Of Ohio | 0.00% | 8,408 | $658,683 | $743,940 | +$85,257 | +12.94% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 8,254 | $646,618 | $730,314 | +$83,696 | +12.94% |
Frequently asked questions about STRT
Who owns the most STRT stock?
The largest holders of STRT are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for STRATTEC SECURITY CORP (STRT).
Is STRT widely held by superinvestors?
Many widely followed stocks like STRT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly STRT is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.