Ticker · CUSIP 636274409
Holders (tracked)
10
Combined shares
3,436,432
Combined value
$265.81M
Last close
$86.92
Quarter
2025Q4
Price · 1Y$86.92+17.84 (+25.82%)H $93.93 · L $64.60 · Avg Vol 872K
Congress buyCongress sell
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +12.4% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−148,751 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+105,456 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+28,519 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−49,763 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+2,351 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+4,589 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−594,700 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+295 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+569 shares · 2025Q3Position
- Steve Cohen (Point72) trimmed2025-11-14−66,679 shares · 2025Q3Position
- Two Sigma Investments opened position2025-11-14+7,999 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+6,423 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+207,568 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−136,300 shares · 2025Q3Position
- Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12−30 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of NGG…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Renaissance Technologies | 2017Q2 | $57.59 | +50.9% | $209.9M |
| D.E. Shaw & Co. | 2017Q2 | $66.06 | +31.6% | $27.2M |
| Ken Fisher (Fisher Asset Mgmt) | 2020Q4 | $66.79 | +30.1% | $2.0M |
| Izzy Englander (Millennium Mgmt) | 2017Q2 | $69.99 | +24.2% | $1.5M |
| Steve Cohen (Point72) | 2019Q4 | $72.93 | +19.2% | $2.8M |
| AQR Capital Management | 2024Q3 | $73.41 | +18.4% | $4.4M |
| Two Sigma Investments | 2017Q2 | $74.48 | +16.7% | $3.2M |
| Ken Griffin (Citadel Advisors) | 2017Q2 | $77.31 | +12.4% | $3.7M |
| Ken Griffin (Citadel Advisors) | 2017Q2 | $77.31 | +12.4% | $3.7M |
| Ken Griffin (Citadel Advisors) | 2017Q2 | $77.31 | +12.4% | $3.7M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to5
- D.E. Shaw & Co.+105,456$8.2M
- Two Sigma Investments+28,519$2.2M
- AQR Capital Management+4,589$355K
- Steve Cohen (Point72)+2,351$182K
- Ken Fisher (Fisher Asset Mgmt)+295$23K
Trimmed3
- Renaissance Technologies−594,700$46.0M
- Ken Griffin (Citadel Advisors)−148,751$11.5M
- Izzy Englander (Millennium Mgmt)−49,763$3.8M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $425.0M |
| 2022Q2 | 8 | $348.3M |
| 2022Q3 | 10 | $267.3M |
| 2022Q4 | 10 | $282.9M |
| 2023Q1 | 7 | $322.6M |
| 2023Q2 | 9 | $317.7M |
| 2023Q3 | 8 | $284.0M |
| 2023Q4 | 9 | $302.9M |
| 2024Q1 | 9 | $320.2M |
| 2024Q2 | 8 | $248.8M |
| 2024Q3 | 12 | $290.7M |
| 2024Q4 | 9 | $266.0M |
| 2025Q1 | 10 | $260.3M |
| 2025Q2 | 8 | $313.5M |
| 2025Q3 | 10 | $303.9M |
| 2025Q4 | 10 | $265.8M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-09-23 | Valerie Hoyle | Sell | $1K – $15K | PDF ↗ |
| 2025-07-10 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-06-24 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
| 2024-10-29 | Valerie Hoyle | Buy | $1K – $15K | PDF ↗ |
Who owns NGG
10 super-investors · 2025Q4
Tracked stake
3.44M
shares
Combined value
$266M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added5Trim5
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 2.42M | $187M |
| 2 | Ken Griffin Citadel Advisors | 491.4K | $38M |
| 3 | D.E. Shaw & Co. | 313.0K | $24M |
| 4 | AQR Capital Management | 51.0K | $4M |
| 5 | Ken Griffin Citadel Advisors | 42.1K | $3M |
| 6 | Two Sigma Investments | 36.5K | $3M |
| 7 | Steve Cohen Point72 | 32.6K | $3M |
| 8 | Ken Fisher Fisher Asset Mgmt | 23.4K | $2M |
| 9 | Izzy Englander Millennium Mgmt | 17.4K | $1M |
| 10 | Ken Griffin Citadel Advisors | 13.8K | $1M |
Recent moves
20 transactions
- +105,456 · 2025Q4
- +28,519 · 2025Q4
- −148,751 · 2025Q4
- +2,351 · 2025Q4
- −49,763 · 2025Q4
- +4,589 · 2025Q4
- −594,700 · 2025Q4
- +295 · 2025Q4
- +7,999 · 2025Q3
- +207,568 · 2025Q3
- −66,679 · 2025Q3
- +569 · 2025Q3
- +6,423 · 2025Q3
- −136,300 · 2025Q3
- −30 · 2025Q3
- +96,879 · 2025Q2
- SOLDT. Rowe Price−65,101 · 2025Q2
- +66,564 · 2025Q2
- −39,604 · 2025Q2
- SOLDD.E. Shaw & Co.−383,782 · 2025Q2
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