NPK International
NPKI
209 hedge funds and large institutions have $837M invested in NPK International in 2025 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 58 increasing their positions, 87 reducing their positions, and 17 closing their positions.
4,050% more call options, than puts
Call options by funds: $249K | Put options by funds: $6K
118% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 17
30% more capital invested
Capital invested by funds: $646M → $837M (+$191M)
11% more funds holding
Funds holding: 189 → 209 (+20)
0% more funds holding in top 10
Funds holding in top 10: 5 → 5 (0)
2.15% less ownership
Funds ownership: 89.79% → 87.64% (-2.2%)
33% less repeat investments, than reductions
Existing positions increased: 58 | Existing positions reduced: 87
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Prudential Financial
Newark,
New Jersey
|
+$13.8M |
| 2 |
Russell Investments Group
London,
United Kingdom
|
+$6.04M |
| 3 |
Bank of New York Mellon
New York
|
+$5.64M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$5.46M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$4.48M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CC
Conversant Capital
Summit,
New Jersey
|
-$23.1M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$8.3M |
| 3 |
WA
Wasatch Advisors
Salt Lake City,
Utah
|
-$6.78M |
| 4 |
HCA
Harbor Capital Advisors
Chicago,
Illinois
|
-$6.47M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
-$5.2M |
NPKI Hedge Fund Activity: Q3 2025 in Review
209 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in NPK International (NPKI) for Q3 2025, worth a combined $837M — up 30% from $646M a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new NPKI positions and 17 closed out — a net gain of 20 holders — while 58 added to existing stakes and 87 trimmed.
The largest buyer was Prudential Financial, adding an estimated $13.8M. The largest seller was Conversant Capital, exiting entirely with an estimated $23.1M sold.
- 209 institutional investors held NPK International (NPKI) as of Q3 2025, up from 189 in Q2 2025.
- Funds reported $837M of NPK International stock for Q3 2025, up 30% quarter-over-quarter.
- 37 funds opened new NPK International positions in Q3 2025 and 17 closed out, a net change of +20 holders.
- The largest NPK International buyer in Q3 2025 was Prudential Financial, an estimated $13.8M added.
- The largest NPK International seller in Q3 2025 was Conversant Capital, an estimated $23.1M sold.
Based on aggregated 13F filings for Q3 2025.