Ticker · CUSIP 64119N608
Holders (tracked)
11
Combined shares
5,973,790
Combined value
$104.78M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−802,316 shares · 2025Q4Position
- D.E. Shaw & Co. exited2026-02-17−205,000 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+80,522 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−156,819 shares · 2025Q4Position
- Brad Gerstner (Altimeter Capital) exited2026-02-17−325,000 shares · 2025Q4Position
- Ron Baron (Baron Capital / BAMCO) added2026-02-17+654,964 shares · 2025Q4Position
- George Soros (Soros Fund Mgmt) exited2026-02-13−215,222 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+84,665 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+765,000 shares · 2025Q4Position
- +487,951 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+205,000 shares · 2025Q3Position
- +465,736 shares · 2025Q3Position
- +215,222 shares · 2025Q3Position
- +2,326,779 shares · 2025Q3Position
- +325,000 shares · 2025Q3Position
- +206,500 shares · 2025Q3Position
- +500,000 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+765,000$13.4M
- Renaissance Technologies+84,665$1.5M
- Two Sigma Investments+80,522$1.4M
Added to1
- Ron Baron (Baron Capital / BAMCO)+654,964$11.5M
Trimmed2
- Ken Griffin (Citadel Advisors)−802,316$14.1M
- Izzy Englander (Millennium Mgmt)−156,819$2.8M
Exited3
- Brad Gerstner (Altimeter Capital)−325,000$7.4M
- George Soros (Soros Fund Mgmt)−215,222$4.9M
- D.E. Shaw & Co.−205,000$4.7M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 11 | $136.1M |
| 2025Q4 | 11 | $104.8M |
Who owns NTSK
11 super-investors · 2025Q4
Tracked stake
5.97M
shares
Combined value
$105M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added1Trim4Held3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ron Baron Baron Capital / BAMCO | 2.98M | $52M |
| 2 | Norges Bank Norway SWF | 765.0K | $13M |
| 3 | Chase Coleman Tiger Global | 500.0K | $9M |
| 4 | Lee Ainslie Maverick Capital | 465.7K | $8M |
| 5 | Izzy Englander Millennium Mgmt | 331.1K | $6M |
| 6 | Ken Griffin Citadel Advisors | 284.1K | $5M |
| 7 | Jonathan Auerbach Hound Partners | 206.5K | $4M |
| 8 | Ken Griffin Citadel Advisors | 186.4K | $3M |
| 9 | Ken Griffin Citadel Advisors | 88.0K | $2M |
| 10 | Renaissance Technologies | 84.7K | $1M |
| 11 | Two Sigma Investments | 80.5K | $1M |
Recent moves
17 transactions
- −802,316 · 2025Q4
- SOLDD.E. Shaw & Co.−205,000 · 2025Q4
- +80,522 · 2025Q4
- −156,819 · 2025Q4
- −325,000 · 2025Q4
- +654,964 · 2025Q4
- −215,222 · 2025Q4
- +84,665 · 2025Q4
- +765,000 · 2025Q4
- +487,951 · 2025Q3
- +205,000 · 2025Q3
- +465,736 · 2025Q3
- +215,222 · 2025Q3
- +2,326,779 · 2025Q3
- +325,000 · 2025Q3
- +206,500 · 2025Q3
- +500,000 · 2025Q3
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