Ticker · CUSIP 371901109
Holders (tracked)
13
Combined shares
20,289,194
Combined value
$467.86M
Last close
$21.82
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is -5.4% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
24 events
- +323,434 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+743,789 shares · 2025Q413F
- Jeremy Grantham (GMO) added2026-02-17+37,042 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+477,942 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−46,896 shares · 2025Q413F
- T. Rowe Price added2026-02-17+10,212 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−12,527,728 shares · 2025Q413F
- AQR Capital Management added2026-02-17+58,989 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+346,559 shares · 2025Q413F
- John Rogers (Ariel Investments) added2026-02-13+671,848 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+768,256 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+2,267,606 shares · 2025Q413F
- Mario Gabelli (GAMCO) added2026-02-05+13,500 shares · 2025Q413F
- −207,402 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+1,159,718 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−77,652 shares · 2025Q313F
- T. Rowe Price added2025-11-14+11,820 shares · 2025Q313F
- Wellington Management added2025-11-14+1,383,203 shares · 2025Q313F
- John Rogers (Ariel Investments) trimmed2025-11-14−141,192 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+448,300 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−2,356,303 shares · 2025Q313F
- −235,416 shares · 2025Q313F
- Jeremy Grantham (GMO) opened position2025-11-13+12,406 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−467,795 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GNTX…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $10.92 | +99.8% | $4.0M |
| Mario Gabelli (GAMCO) | 2016Q1 | $18.18 | +20.0% | $5.2M |
| Norges Bank (Norway SWF) | 2016Q1 | $21.59 | +1.1% | $49.5M |
| Renaissance Technologies | 2016Q3 | $22.54 | -3.2% | $37.7M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $22.75 | -4.1% | $7.1M |
| Jeremy Grantham (GMO) | 2016Q1 | $23.80 | -8.3% | $1.1M |
| Ray Dalio (Bridgewater Associates) | 2018Q2 | $23.82 | -8.4% | $28.3M |
| Two Sigma Investments | 2016Q3 | $24.64 | -11.4% | $10.4M |
| AQR Capital Management | 2016Q1 | $24.99 | -12.7% | $5.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $25.88 | -15.7% | $35.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $26.28 | -17.0% | $37.0M |
| John Rogers (Ariel Investments) | 2021Q3 | $29.19 | -25.2% | $172.2M |
| Wellington Management | 2017Q2 | $33.84 | -35.5% | $50.2M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+2,267,606$52.8M
- Two Sigma Investments+477,942$11.1M
- Paul Tudor Jones (Tudor Investment)+323,434$7.5M
Added to8
- Renaissance Technologies+768,256$17.9M
- Ken Griffin (Citadel Advisors)+743,789$17.3M
- John Rogers (Ariel Investments)+671,848$15.6M
- Ray Dalio (Bridgewater Associates)+346,559$8.1M
- AQR Capital Management+58,989$1.4M
- Jeremy Grantham (GMO)+37,042$862K
- Mario Gabelli (GAMCO)+13,500$314K
- T. Rowe Price+10,212$238
Trimmed2
- Wellington Management−12,527,728$291.5M
- Izzy Englander (Millennium Mgmt)−46,896$1.1M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $60.64B |
| 2022Q2 | 14 | $50.88B |
| 2022Q3 | 16 | $52.6M |
| 2022Q4 | 17 | $1.05B |
| 2023Q1 | 18 | $1.09B |
| 2023Q2 | 19 | $1.13B |
| 2023Q3 | 17 | $1.12B |
| 2023Q4 | 16 | $1.09B |
| 2024Q1 | 17 | $1.77B |
| 2024Q2 | 15 | $1.76B |
| 2024Q3 | 16 | $843.6M |
| 2024Q4 | 13 | $373.5M |
| 2025Q1 | 16 | $597.5M |
| 2025Q2 | 13 | $608.2M |
| 2025Q3 | 11 | $764.5M |
| 2025Q4 | 13 | $467.9M |
Who owns GNTX
13 super-investors · 2025Q4
Tracked stake
20.29M
shares
Combined value
$468M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added8Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | John Rogers Ariel Investments | 7.89M | $184M |
| 2 | Wellington Management | 2.30M | $54M |
| 3 | Norges Bank Norway SWF | 2.27M | $53M |
| 4 | Renaissance Technologies | 1.73M | $40M |
| 5 | Izzy Englander Millennium Mgmt | 1.69M | $39M |
| 6 | Ken Griffin Citadel Advisors | 1.60M | $37M |
| 7 | Ray Dalio Bridgewater Associates | 1.30M | $30M |
| 8 | Two Sigma Investments | 477.9K | $11M |
| 9 | Paul Tudor Jones Tudor Investment | 323.4K | $8M |
| 10 | Mario Gabelli GAMCO | 239.0K | $6M |
| 11 | AQR Capital Management | 232.4K | $5M |
| 12 | Jeremy Grantham GMO | 49.4K | $1M |
| 13 | T. Rowe Price | 183.8K | $4K |
Recent moves
20 transactions
- −46,896 · 2025Q4
- +743,789 · 2025Q4
- −12,527,728 · 2025Q4
- +37,042 · 2025Q4
- +58,989 · 2025Q4
- +10,212 · 2025Q4
- +477,942 · 2025Q4
- +323,434 · 2025Q4
- +346,559 · 2025Q4
- +671,848 · 2025Q4
- +768,256 · 2025Q4
- +2,267,606 · 2025Q4
- +13,500 · 2025Q4
- −207,402 · 2025Q3
- −141,192 · 2025Q3
- +11,820 · 2025Q3
- +1,383,203 · 2025Q3
- +1,159,718 · 2025Q3
- −77,652 · 2025Q3
- −235,416 · 2025Q3
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