Doma Perpetual Capital Management LLC NSSC — NAPCO SEC TECHNOLOGIES INC

Ownership history in Doma Perpetual Capital Management LLC  ·  10 quarters on record

AI Ownership Summary

Doma Perpetual Capital Management LLC reported NAPCO SEC TECHNOLOGIES INC (NSSC) in 10 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 16.81% in 2025 Q3. The latest visible filing shows NSSC at 6.64% 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.

What this NSSC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Doma Perpetual Capital Management LLC's position in NAPCO SEC TECHNOLOGIES INC, 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 Q1

NSSC was reported at 6.64% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
16.81% in 2025 Q3

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

Time in book
Holding Window
2023 Q4 to 2026 Q1

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.

NSSC stock page Doma Perpetual Capital Management LLC fund profile Doma Perpetual Capital Management LLC full holdings
How Doma Perpetual Capital Management LLC held NSSC — position size vs. price
% of Fund (quarterly)    NSSC price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 627,931 — 0% 6.64% $24.7M 2026-05-15 $36.22
2025 Q4 REDUCED 46.1% -5.2% ✅ 627,931 -537,416 -46.1% 7.36% $26.2M 2026-02-17 $43.97
2025 Q3 REDUCED — — — 1,165,347 -10,308 -0.9% 16.81% $50.1M 2025-11-14 $40.08
2025 Q2 UNCHANGED — — — 1,175,655 — 0% 13.22% $34.9M 2025-08-12 $30.65
2025 Q1 ADDED — — — 1,175,655 +409,123 +53.4% 10.64% $27.1M 2025-05-15 $27.22
2024 Q4 ADDED — — — 766,532 +59,496 +8.4% 13.56% $27.3M 2025-02-14 $25.14
2024 Q3 ADDED — — — 707,036 +507,522 +254.4% 14.45% $28.6M 2024-11-14 $36.06
2024 Q2 UNCHANGED — — — 199,514 — 0% 4.81% $10.4M 2024-08-14 $52.43
2024 Q1 UNCHANGED — — — 199,514 — 0% 4.61% $8.0M 2024-05-15 $44.36
2023 Q4 INITIATED — — — 199,514 — — 6.74% $6.8M 2024-02-14 $44.08

🏢 Other funds also holding NSSC

As of 2026 Q1 — sorted by position size

Copeland Capital Management, LLC 3Y 7Y 1.76% Laurus Global Equity Management Inc. 3Y 1.36% Redmond Asset Management, LLC 3Y 7Y 1.28% RAFFLES ASSOCIATES LP 3Y 7Y 0.83% Granite Investment Partners, LLC 3Y 7Y 0.65% Bridge City Capital, LLC 3Y 7Y 0.64% ISTHMUS PARTNERS, LLC 3Y 7Y 0.48% Uniplan Investment Counsel, Inc. 3Y 7Y 0.46% Visionary Wealth Advisors 3Y 0.46% First National Advisers, LLC 3Y 0.42%

FAQ About Doma Perpetual Capital Management LLC and NSSC

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

How long has Doma Perpetual Capital Management LLC reported owning NSSC?

Doma Perpetual Capital Management LLC reported NSSC across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported NSSC position in Doma Perpetual Capital Management LLC's portfolio?

The largest reported portfolio weight for NSSC was 16.81% in 2025 Q3.

What is the latest reported NSSC position on this page?

The most recent filing on this page is 2026 Q1, when Doma Perpetual Capital Management LLC reported 627,931 shares, equal to 6.64% of portfolio, with an estimated market value of $24.7M.

What does the chart on this NSSC ownership page compare?

The chart compares Doma Perpetual Capital Management LLC's quarterly NSSC 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 Doma Perpetual Capital Management LLC time their NSSC position?

Based on 13F filing dates vs. subsequent NSSC price moves, Doma Perpetual Capital Management LLC correctly timed 4 out of 6 reported position changes (67%). The annualised alpha on NSSC relative to SPY over the holding period was -24.0%.

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