Ticker · CUSIP 37637K108
Holders (tracked)
22
Combined shares
20,703,305
Combined value
$621.14M
Last close
$21.83
Quarter
2025Q4
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
Price is -27.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
27 events
- Sijbrandij Sytse2026-04-15Sold $2.41M @ $20.77Insider sell
- −171,530 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+4,806,163 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+3,110 shares · 2025Q4Position
- D.E. Shaw & Co. opened position2026-02-17+80,451 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−560,735 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+348,865 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−424,041 shares · 2025Q4Position
- Wellington Management exited2026-02-17−654,866 shares · 2025Q4Position
- Jeremy Grantham (GMO) opened position2026-02-17+16,500 shares · 2025Q4Position
- +15,378 shares · 2025Q4Position
- Glen Kacher (Light Street Capital) added2026-02-17+210,000 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+55,701 shares · 2025Q4Position
- Cathie Wood (ARK Invest) trimmed2026-02-11−2,574,042 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+2,168,377 shares · 2025Q4Position
- D.E. Shaw & Co. exited2025-11-14−79,478 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−16,876 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+468,171 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−25,642 shares · 2025Q3Position
- Glen Kacher (Light Street Capital) added2025-11-14+375,585 shares · 2025Q3Position
- Ron Baron (Baron Capital / BAMCO) added2025-11-14+211,604 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−239,249 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+4,491,023 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−2,072,463 shares · 2025Q3Position
- Ray Dalio (Bridgewater Associates) added2025-11-13+419,575 shares · 2025Q3Position
- Norges Bank (Norway SWF) added2025-11-12+182,550 shares · 2024Q3Position
- Cathie Wood (ARK Invest) added2025-11-12+144,932 shares · 2025Q3Position
Insider activity
Last 30 days
Net (open-market)
−$2.41M
Buys
0 · $0
Sells
1 · $2.41M
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-15 | Sijbrandij Sytse Director | S | 116,200 | $20.77 | $2.41M |
| 04-15 | Sijbrandij Sytse Director | C | 116,200 | — | $0 |
Follow-the-investor returns
If you'd copied each holder of GTLB…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- Norges Bank (Norway SWF)+2,168,377$81.4M
- D.E. Shaw & Co.+80,451$3.0M
- Jeremy Grantham (GMO)+16,500$619K
- Paul Tudor Jones (Tudor Investment)+15,378$577K
Added to5
- AQR Capital Management+4,806,163$180.4M
- Izzy Englander (Millennium Mgmt)+348,865$13.1M
- Glen Kacher (Light Street Capital)+210,000$7.9M
- Ray Dalio (Bridgewater Associates)+55,701$2.1M
- Ken Griffin (Citadel Advisors)+3,110$117K
Trimmed4
- Cathie Wood (ARK Invest)−2,574,042$96.6M
- Two Sigma Investments−560,735$21.0M
- Ron Baron (Baron Capital / BAMCO)−171,530$6.4M
- T. Rowe Price−424,041$16K
Exited1
- Wellington Management−654,866$29.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 16 | $56.29B |
| 2022Q2 | 19 | $68.34B |
| 2022Q3 | 17 | $84.1M |
| 2022Q4 | 17 | $545.2M |
| 2023Q1 | 18 | $441.3M |
| 2023Q2 | 19 | $711.0M |
| 2023Q3 | 22 | $690.7M |
| 2023Q4 | 17 | $930.9M |
| 2024Q1 | 18 | $987.0M |
| 2024Q2 | 22 | $1.01B |
| 2024Q3 | 24 | $688.9M |
| 2024Q4 | 20 | $801.8M |
| 2025Q1 | 20 | $479.3M |
| 2025Q2 | 21 | $528.6M |
| 2025Q3 | 17 | $547.9M |
| 2025Q4 | 22 | $621.1M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-06-11 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
| 2025-06-03 | Rob Bresnahan | Sell (P) | $1K – $15K | PDF ↗ |
Who owns GTLB
22 super-investors · 2025Q4
Tracked stake
20.70M
shares
Combined value
$621M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New8Added9Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 5.43M | $204M |
| 2 | Norges Bank Norway SWF | 2.17M | $81M |
| 3 | Ron Baron Baron Capital / BAMCO | 1.43M | $54M |
| 4 | Ken Griffin Citadel Advisors | 1.14M | $43M |
| 5 | Glen Kacher Light Street Capital | 1.06M | $40M |
| 6 | Ken Griffin Citadel Advisors | 944.6K | $35M |
| 7 | Cathie Wood ARK Invest | 863.6K | $32M |
| 8 | Ray Dalio Bridgewater Associates | 644.3K | $24M |
| 9 | Izzy Englander Millennium Mgmt | 556.8K | $21M |
| 10 | Ken Griffin Citadel Advisors | 476.2K | $18M |
| 11 | D.E. Shaw & Co. | 465.3K | $17M |
| 12 | D.E. Shaw & Co. | 418.1K | $16M |
| 13 | Paul Tudor Jones Tudor Investment | 213.9K | $8M |
| 14 | Izzy Englander Millennium Mgmt | 170.2K | $6M |
| 15 | Two Sigma Investments | 155.0K | $6M |
| 16 | Paul Tudor Jones Tudor Investment | 147.4K | $6M |
| 17 | Sands Capital Management | 127.5K | $5M |
| 18 | D.E. Shaw & Co. | 80.5K | $3M |
| 19 | Izzy Englander Millennium Mgmt | 21.1K | $792K |
| 20 | Jeremy Grantham GMO | 16.5K | $619K |
| 21 | Paul Tudor Jones Tudor Investment | 15.4K | $577K |
| 22 | T. Rowe Price | 4.16M | $156K |
Recent moves
20 transactions
- +348,865 · 2025Q4
- −171,530 · 2025Q4
- TRIMT. Rowe Price−424,041 · 2025Q4
- +16,500 · 2025Q4
- +4,806,163 · 2025Q4
- +3,110 · 2025Q4
- +80,451 · 2025Q4
- −560,735 · 2025Q4
- −654,866 · 2025Q4
- +15,378 · 2025Q4
- +210,000 · 2025Q4
- +55,701 · 2025Q4
- −2,574,042 · 2025Q4
- +2,168,377 · 2025Q4
- −16,876 · 2025Q3
- +4,491,023 · 2025Q3
- +468,171 · 2025Q3
- SOLDD.E. Shaw & Co.−79,478 · 2025Q3
- −25,642 · 2025Q3
- +375,585 · 2025Q3
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