Ticker · CUSIP 388689101
Holders (tracked)
13
Combined shares
25,020,352
Combined value
$373.17M
Last close
$9.55
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is -36.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
22 events
- AQR Capital Management added2026-02-17+7,253,473 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−1,108,430 shares · 2025Q413F
- T. Rowe Price added2026-02-17+16,272 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−722,876 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+212,098 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+806,463 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−450,686 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2026-02-17−704,031 shares · 2025Q413F
- +149,752 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+385,100 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+3,587,705 shares · 2025Q413F
- AQR Capital Management added2025-11-14+946,644 shares · 2025Q313F
- +1,942,241 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+946,435 shares · 2025Q313F
- Two Sigma Investments opened position2025-11-14+17,625 shares · 2025Q313F
- D.E. Shaw & Co. opened position2025-11-14+1,854,797 shares · 2025Q313F
- T. Rowe Price added2025-11-14+12,221 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−2,096,241 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+666,600 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−2,640,355 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+1,383,038 shares · 2024Q313F
- Tom Gayner (Markel Group) exited2025-10-31−174,000 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GPK…
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 | $13.71 | -30.3% | $2.3M |
| Renaissance Technologies | 2016Q1 | $15.03 | -36.5% | $12.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $15.12 | -36.9% | $9.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $15.12 | -36.9% | $9.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $15.12 | -36.9% | $9.4M |
| Two Sigma Investments | 2016Q1 | $15.20 | -37.2% | $7.9M |
| AQR Capital Management | 2016Q1 | $15.92 | -40.0% | $83.0M |
| Steve Cohen (Point72) | 2016Q1 | $17.85 | -46.5% | $2.3M |
| Wellington Management | 2016Q1 | $18.14 | -47.4% | $62.9M |
| Ray Dalio (Bridgewater Associates) | 2022Q3 | $18.58 | -48.6% | $1.4M |
| D.E. Shaw & Co. | 2016Q1 | $19.55 | -51.2% | $7.1M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $19.82 | -51.8% | $14.2M |
| Norges Bank (Norway SWF) | 2016Q1 | $20.38 | -53.2% | $34.3M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+3,587,705$54.0M
- Ray Dalio (Bridgewater Associates)+149,752$2.3M
Added to5
- AQR Capital Management+7,253,473$109.2M
- Two Sigma Investments+806,463$12.1M
- Renaissance Technologies+385,100$5.8M
- Ken Griffin (Citadel Advisors)+212,098$3.2M
- T. Rowe Price+16,272$245
Trimmed4
- D.E. Shaw & Co.−1,108,430$16.7M
- Wellington Management−722,876$10.9M
- Steve Cohen (Point72)−704,031$10.6M
- Izzy Englander (Millennium Mgmt)−450,686$6.8M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $275.30B |
| 2022Q2 | 13 | $279.41B |
| 2022Q3 | 14 | $278.5M |
| 2022Q4 | 15 | $1.03B |
| 2023Q1 | 15 | $1.12B |
| 2023Q2 | 15 | $1.35B |
| 2023Q3 | 13 | $954.1M |
| 2023Q4 | 15 | $998.1M |
| 2024Q1 | 11 | $1.34B |
| 2024Q2 | 11 | $1.17B |
| 2024Q3 | 10 | $435.2M |
| 2024Q4 | 9 | $123.0M |
| 2025Q1 | 9 | $241.5M |
| 2025Q2 | 8 | $283.3M |
| 2025Q3 | 11 | $299.2M |
| 2025Q4 | 13 | $373.2M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-09-11 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-06-17 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
| 2025-01-13 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
Who owns GPK
13 super-investors · 2025Q4
Tracked stake
25.02M
shares
Combined value
$373M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added7Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 8.69M | $131M |
| 2 | Wellington Management | 6.59M | $99M |
| 3 | Norges Bank Norway SWF | 3.59M | $54M |
| 4 | Izzy Englander Millennium Mgmt | 1.49M | $22M |
| 5 | Renaissance Technologies | 1.29M | $19M |
| 6 | Ken Griffin Citadel Advisors | 982.1K | $15M |
| 7 | Two Sigma Investments | 824.1K | $12M |
| 8 | D.E. Shaw & Co. | 746.4K | $11M |
| 9 | Steve Cohen Point72 | 242.4K | $4M |
| 10 | Ken Griffin Citadel Advisors | 156.4K | $2M |
| 11 | Ray Dalio Bridgewater Associates | 149.8K | $2M |
| 12 | Ken Griffin Citadel Advisors | 24.5K | $369K |
| 13 | T. Rowe Price | 241.8K | $4K |
Recent moves
20 transactions
- −704,031 · 2025Q4
- +7,253,473 · 2025Q4
- +806,463 · 2025Q4
- −722,876 · 2025Q4
- +212,098 · 2025Q4
- −450,686 · 2025Q4
- +16,272 · 2025Q4
- TRIMD.E. Shaw & Co.−1,108,430 · 2025Q4
- +149,752 · 2025Q4
- +385,100 · 2025Q4
- +3,587,705 · 2025Q4
- +946,435 · 2025Q3
- +17,625 · 2025Q3
- +1,942,241 · 2025Q3
- −2,096,241 · 2025Q3
- +12,221 · 2025Q3
- +946,644 · 2025Q3
- +1,854,797 · 2025Q3
- +666,600 · 2025Q3
- −2,640,355 · 2025Q3
Embed this chart
Paste this iframe anywhere to embed the live GPK chart.
<iframe src="https://openstocks.me/embed/stock/GPK" width="100%" height="480" frameborder="0" loading="lazy" title="GPK chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>