Ticker · CUSIP 651718504
Holders (tracked)
13
Combined shares
3,588,657
Combined value
$42.04M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
22 events
- Piontek Gregg · Senior Vice President and CFO2026-04-09Sold $225.7K @ $15.04Insider sell
- +224,475 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−75,845 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−282,039 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+71,458 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−60,556 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+523,235 shares · 2025Q413F
- AQR Capital Management added2026-02-17+46,016 shares · 2025Q413F
- T. Rowe Price added2026-02-17+3,181 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−155,100 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−49,033 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−7,315 shares · 2025Q413F
- −6,800 shares · 2025Q413F
- −46,650 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+13,796 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+323,549 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+184,755 shares · 2025Q313F
- T. Rowe Price added2025-11-14+5,523 shares · 2025Q313F
- AQR Capital Management added2025-11-14+42,083 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+75,647 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−144,900 shares · 2025Q313F
- −145,000 shares · 2025Q313F
Insider activity
Last 30 days
Net (open-market)
−$225.7K
Buys
0 · $0
Sells
1 · $225.7K
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-09 | Piontek Gregg Senior Vice President and CFO · Officer | S | 15,000 | $15.04 | $225.7K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Paul Tudor Jones (Tudor Investment)+224,475$2.7M
Added to4
- Steve Cohen (Point72)+523,235$6.2M
- Two Sigma Investments+71,458$852K
- AQR Capital Management+46,016$549K
- T. Rowe Price+3,181$38
Trimmed7
- Ken Griffin (Citadel Advisors)−282,039$3.4M
- Wellington Management−155,100$1.8M
- D.E. Shaw & Co.−75,845$904K
- Izzy Englander (Millennium Mgmt)−60,556$722K
- Renaissance Technologies−49,033$584K
- Ken Fisher (Fisher Asset Mgmt)−7,315$87K
- First Eagle Investment Management−6,800$81K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $34.3M |
| 2022Q2 | 11 | $30.8M |
| 2022Q3 | 9 | $24K |
| 2022Q4 | 10 | $38.0M |
| 2023Q1 | 11 | $34.0M |
| 2023Q2 | 12 | $50.2M |
| 2023Q3 | 14 | $61.5M |
| 2023Q4 | 11 | $62.3M |
| 2024Q1 | 12 | $71.2M |
| 2024Q2 | 13 | $82.8M |
| 2024Q3 | 12 | $20.7M |
| 2024Q4 | 11 | $16.8M |
| 2025Q1 | 12 | $19.8M |
| 2025Q2 | 11 | $26.8M |
| 2025Q3 | 12 | $37.3M |
| 2025Q4 | 13 | $42.0M |
Who owns NPKI
13 super-investors · 2025Q4
Tracked stake
3.59M
shares
Combined value
$42M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added4Trim8
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Steve Cohen Point72 | 537.0K | $6M |
| 2 | Renaissance Technologies | 519.3K | $6M |
| 3 | Wellington Management | 506.6K | $6M |
| 4 | Two Sigma Investments | 505.2K | $6M |
| 5 | First Eagle Investment Management | 265.3K | $3M |
| 6 | Ken Griffin Citadel Advisors | 241.6K | $3M |
| 7 | Ken Fisher Fisher Asset Mgmt | 232.0K | $3M |
| 8 | Paul Tudor Jones Tudor Investment | 224.5K | $3M |
| 9 | D.E. Shaw & Co. | 202.1K | $2M |
| 10 | AQR Capital Management | 174.5K | $2M |
| 11 | Izzy Englander Millennium Mgmt | 106.5K | $1M |
| 12 | Ken Griffin Citadel Advisors | 12.3K | $147K |
| 13 | T. Rowe Price | 61.7K | $736 |
Recent moves
20 transactions
- +46,016 · 2025Q4
- +224,475 · 2025Q4
- −282,039 · 2025Q4
- +3,181 · 2025Q4
- +523,235 · 2025Q4
- +71,458 · 2025Q4
- TRIMD.E. Shaw & Co.−75,845 · 2025Q4
- −155,100 · 2025Q4
- −60,556 · 2025Q4
- −49,033 · 2025Q4
- −7,315 · 2025Q4
- −6,800 · 2025Q4
- −46,650 · 2025Q3
- +13,796 · 2025Q3
- +323,549 · 2025Q3
- +75,647 · 2025Q3
- +184,755 · 2025Q3
- +5,523 · 2025Q3
- +42,083 · 2025Q3
- −144,900 · 2025Q3
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