ESSEX INVESTMENT MANAGEMENT CO LLC STRT — STRATTEC SEC CORP

Ownership history in ESSEX INVESTMENT MANAGEMENT CO LLC  ·  10 quarters on record

AI Ownership Summary

ESSEX INVESTMENT MANAGEMENT CO LLC reported STRATTEC SEC CORP (STRT) in 10 quarterly 13F filings from 2024 Q3 through 2026 Q2. Peak portfolio weight reached 0.06% in 2025 Q2. The latest visible filing shows STRT at 0.04% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this STRT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ESSEX INVESTMENT MANAGEMENT CO LLC's position in STRATTEC SEC CORP, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

STRT was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.06% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q3 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

STRT stock page ESSEX INVESTMENT MANAGEMENT CO LLC fund profile ESSEX INVESTMENT MANAGEMENT CO LLC full holdings
How ESSEX INVESTMENT MANAGEMENT CO LLC held STRT — position size vs. price
% of Fund (quarterly)    STRT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 4,199 -8 -0.2% 0.04% $342K 2026-08-06 $86.82
2026 Q1 UNCHANGED — — — 4,207 — 0% 0.05% $330K 2026-05-11 $64.15
2025 Q4 UNCHANGED — — — 4,207 — 0% 0.05% $320K 2026-02-13 $90.41
2025 Q3 REDUCED 23.6% +13.8% ❌ 4,207 -1,296 -23.6% 0.04% $286K 2025-11-06 $67.80
2025 Q2 REDUCED — — — 5,503 -64 -1.1% 0.06% $342K 2025-08-12 $79.45
2025 Q1 REDUCED — — — 5,567 -17 -0.3% 0.05% $220K 2025-05-07 $33.78
2024 Q4 REDUCED 10.4% -4.2% ✅ 5,584 -645 -10.4% 0.04% $230K 2025-02-07 $36.85
2024 Q3 ADDED — — — 6,229 +1,166 +23.0% 0.05% $266K 2024-10-10 $38.45
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding STRT

As of 2026 Q2 — sorted by position size

Teton Advisors, LLC 0.91% De Lisle Partners LLP 0.38% GAMCO INVESTORS, INC. ET AL 3Y 7Y 0.37% GABELLI FUNDS LLC 3Y 7Y 0.13% Nilsine Partners, LLC 3Y 0.12% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.12% Central Pacific Bank - Trust Division 0.09% Luxor Capital Group, LP 3Y 7Y 0.07% PFG Advisors 3Y 7Y 0.05% MARTINGALE ASSET MANAGEMENT L P 3Y 7Y 0.04%

FAQ About ESSEX INVESTMENT MANAGEMENT CO LLC and STRT

These are the practical questions this page is built to answer before you even open the full history table.

How long has ESSEX INVESTMENT MANAGEMENT CO LLC reported owning STRT?

ESSEX INVESTMENT MANAGEMENT CO LLC reported STRT across 8 quarterly 13F filings, from 2024 Q3 through 2026 Q2.

What was the largest reported STRT position in ESSEX INVESTMENT MANAGEMENT CO LLC's portfolio?

The largest reported portfolio weight for STRT was 0.06% in 2025 Q2.

What is the latest reported STRT position on this page?

The most recent filing on this page is 2026 Q2, when ESSEX INVESTMENT MANAGEMENT CO LLC reported 4,199 shares, equal to 0.04% of portfolio, with an estimated market value of $342K.

What does the chart on this STRT ownership page compare?

The chart compares ESSEX INVESTMENT MANAGEMENT CO LLC's quarterly STRT portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ESSEX INVESTMENT MANAGEMENT CO LLC time their STRT position?

Based on 13F filing dates vs. subsequent STRT price moves, ESSEX INVESTMENT MANAGEMENT CO LLC correctly timed 3 out of 7 reported position changes (43%). The annualised alpha on STRT relative to SPY over the holding period was +15.7%.

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