Napco Security Technologies
NSSC
240 hedge funds and large institutions have $1.37B invested in Napco Security Technologies in 2025 Q3 according to their latest regulatory filings, with 50 funds opening new positions, 63 increasing their positions, 93 reducing their positions, and 29 closing their positions.
426% more call options, than puts
Call options by funds: $3.02M | Put options by funds: $575K
72% more first-time investments, than exits
New positions opened: 50 | Existing positions closed: 29
42% more capital invested
Capital invested by funds: $960M → $1.37B (+$406M)
9% more funds holding
Funds holding: 221 → 240 (+19)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
1.49% less ownership
Funds ownership: 90.68% → 89.2% (-1.5%)
32% less repeat investments, than reductions
Existing positions increased: 63 | Existing positions reduced: 93
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fundsmith LLP
London,
United Kingdom
|
+$28.6M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$26M |
| 3 |
First Trust Advisors
Wheaton,
Illinois
|
+$19.6M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$11.9M |
| 5 |
Adage Capital Partners
Boston,
Massachusetts
|
+$7.63M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$11.8M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$11.6M |
| 3 |
Envestnet Asset Management
Chicago,
Illinois
|
-$7.67M |
| 4 |
Morgan Stanley
New York
|
-$7.63M |
| 5 |
Millennium Management
New York
|
-$7.03M |
NSSC Hedge Fund Activity: Q3 2025 in Review
240 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Napco Security Technologies (NSSC) for Q3 2025, worth a combined $1.37B — up 42% from $960M a quarter earlier.
Buyers outnumbered sellers: 50 funds opened new NSSC positions and 29 closed out — a net gain of 21 holders — while 63 added to existing stakes and 93 trimmed.
The largest buyer was Fundsmith LLP, adding an estimated $28.6M. The largest seller was JP Morgan Chase, cutting an estimated $11.8M.
- 240 institutional investors held Napco Security Technologies (NSSC) as of Q3 2025, up from 221 in Q2 2025.
- Funds reported $1.37B of Napco Security Technologies stock for Q3 2025, up 42% quarter-over-quarter.
- 50 funds opened new Napco Security Technologies positions in Q3 2025 and 29 closed out, a net change of +21 holders.
- The largest Napco Security Technologies buyer in Q3 2025 was Fundsmith LLP, an estimated $28.6M added.
- The largest Napco Security Technologies seller in Q3 2025 was JP Morgan Chase, an estimated $11.8M sold.
Based on aggregated 13F filings for Q3 2025.