Ticker · CUSIP 402635502
Holders (tracked)
12
Combined shares
1,308,198
Combined value
$246.13M
Last close
$193.23
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +2.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- Ken Griffin (Citadel Advisors) added2026-02-17+4,650 shares · 2025Q413F
- Jeremy Grantham (GMO) trimmed2026-02-17−17,300 shares · 2025Q413F
- AQR Capital Management added2026-02-17+24,538 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−2,729 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−15,494 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−100,128 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−285,744 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,350 shares · 2025Q413F
- −32,803 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+20,100 shares · 2025Q413F
- −32,048 shares · 2025Q313F
- AQR Capital Management added2025-11-14+26,698 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+395,197 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−73,905 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−26,079 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,151 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−57,659 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+66,875 shares · 2025Q313F
- Jeremy Grantham (GMO) added2025-11-13+3,600 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−44,500 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GPOR…
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 | 2023Q2 | $0.15 | +129962.3% | $24.1M |
| Wellington Management | 2022Q1 | $131.47 | +47.0% | $84.9M |
| D.E. Shaw & Co. | 2022Q2 | $142.06 | +36.0% | $761K |
| Two Sigma Investments | 2021Q2 | $156.92 | +23.1% | $5.1M |
| Ray Dalio (Bridgewater Associates) | 2023Q4 | $163.50 | +18.2% | $22.1M |
| Jeremy Grantham (GMO) | 2021Q2 | $165.02 | +17.1% | $15.2M |
| AQR Capital Management | 2022Q1 | $167.92 | +15.1% | $26.0M |
| Izzy Englander (Millennium Mgmt) | 2021Q2 | $177.76 | +8.7% | $63.0M |
| Renaissance Technologies | 2021Q4 | $179.74 | +7.5% | $3.9M |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $197.92 | -2.4% | $3.8M |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $197.92 | -2.4% | $3.8M |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $197.92 | -2.4% | $3.8M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Renaissance Technologies+20,100$4.2M
Added to3
- AQR Capital Management+24,538$5.1M
- Ken Griffin (Citadel Advisors)+4,650$967K
- T. Rowe Price+1,350$281
Trimmed6
- Wellington Management−285,744$59.4M
- Izzy Englander (Millennium Mgmt)−100,128$20.8M
- Ray Dalio (Bridgewater Associates)−32,803$6.8M
- Jeremy Grantham (GMO)−17,300$3.6M
- Two Sigma Investments−15,494$3.2M
- D.E. Shaw & Co.−2,729$568K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $73.1M |
| 2022Q2 | 9 | $91.0M |
| 2022Q3 | 10 | $109K |
| 2022Q4 | 12 | $86.0M |
| 2023Q1 | 11 | $104.5M |
| 2023Q2 | 15 | $209.3M |
| 2023Q3 | 14 | $183.7M |
| 2023Q4 | 12 | $202.2M |
| 2024Q1 | 13 | $477.4M |
| 2024Q2 | 14 | $481.2M |
| 2024Q3 | 12 | $350.1M |
| 2024Q4 | 13 | $172.9M |
| 2025Q1 | 12 | $337.3M |
| 2025Q2 | 13 | $268.7M |
| 2025Q3 | 11 | $286.7M |
| 2025Q4 | 12 | $246.1M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2026-01-09 | Gilbert Cisneros | Sell | $1K – $15K | PDF ↗ |
| 2025-07-18 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
| 2025-07-07 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
Who owns GPOR
12 super-investors · 2025Q4
Tracked stake
1.31M
shares
Combined value
$246M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 439.6K | $91M |
| 2 | Izzy Englander Millennium Mgmt | 325.9K | $68M |
| 3 | AQR Capital Management | 134.5K | $28M |
| 4 | Ray Dalio Bridgewater Associates | 114.2K | $24M |
| 5 | Jeremy Grantham GMO | 78.4K | $16M |
| 6 | Two Sigma Investments | 26.5K | $6M |
| 7 | Renaissance Technologies | 20.1K | $4M |
| 8 | Ken Griffin Citadel Advisors | 19.9K | $4M |
| 9 | Ken Griffin Citadel Advisors | 11.5K | $2M |
| 10 | Ken Griffin Citadel Advisors | 8.7K | $2M |
| 11 | D.E. Shaw & Co. | 3.9K | $819K |
| 12 | T. Rowe Price | 125.0K | $26K |
Recent moves
20 transactions
- TRIMD.E. Shaw & Co.−2,729 · 2025Q4
- −15,494 · 2025Q4
- +24,538 · 2025Q4
- −17,300 · 2025Q4
- +4,650 · 2025Q4
- −100,128 · 2025Q4
- +1,350 · 2025Q4
- −285,744 · 2025Q4
- −32,803 · 2025Q4
- +20,100 · 2025Q4
- −32,048 · 2025Q3
- +1,151 · 2025Q3
- −73,905 · 2025Q3
- +395,197 · 2025Q3
- −57,659 · 2025Q3
- TRIMD.E. Shaw & Co.−26,079 · 2025Q3
- +26,698 · 2025Q3
- +66,875 · 2025Q3
- −44,500 · 2025Q3
- +3,600 · 2025Q3
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