Ticker · CUSIP 74366E102
Holders (tracked)
15
Combined shares
6,173,692
Combined value
$403.06M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+7 vs previous quarter over the last 8.
SEC event timeline
16 events
- Ken Griffin (Citadel Advisors) added2026-02-17+888,806 shares · 2025Q413F
- +8,300 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−1,616 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−110,169 shares · 2025Q413F
- T. Rowe Price added2026-02-17+180,302 shares · 2025Q413F
- Wellington Management added2026-02-17+1,262,977 shares · 2025Q413F
- +7,718 shares · 2025Q413F
- +100,000 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+8,167 shares · 2025Q413F
- +65,114 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+112,369 shares · 2025Q313F
- T. Rowe Price added2025-11-14+283,733 shares · 2025Q313F
- Wellington Management added2025-11-14+870,708 shares · 2025Q313F
- +159,700 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−8,839 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−173,134 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions5
- George Soros (Soros Fund Mgmt)+100,000$8.7M
- Ken Fisher (Fisher Asset Mgmt)+65,114$5.7M
- Ron Baron (Baron Capital / BAMCO)+8,300$725K
- Renaissance Technologies+8,167$713K
- Paul Tudor Jones (Tudor Investment)+7,718$674K
Added to3
- Wellington Management+1,262,977$110.3M
- Ken Griffin (Citadel Advisors)+888,806$77.6M
- T. Rowe Price+180,302$16K
Trimmed2
- Izzy Englander (Millennium Mgmt)−110,169$9.6M
- AQR Capital Management−1,616$141K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $180.5M |
| 2022Q2 | 10 | $79.6M |
| 2022Q3 | 10 | $70K |
| 2022Q4 | 12 | $82.3M |
| 2023Q1 | 10 | $150.8M |
| 2023Q2 | 12 | $189.5M |
| 2023Q3 | 9 | $118.3M |
| 2023Q4 | 11 | $205.2M |
| 2024Q1 | 11 | $206.7M |
| 2024Q2 | 10 | $279.3M |
| 2024Q3 | 11 | $26.9M |
| 2024Q4 | 9 | $23.9M |
| 2025Q1 | 11 | $88.2M |
| 2025Q2 | 8 | $72.0M |
| 2025Q3 | 8 | $153.8M |
| 2025Q4 | 15 | $403.1M |
Who owns PTGX
15 super-investors · 2025Q4
Tracked stake
6.17M
shares
Combined value
$403M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New7Added5Trim2Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 3.17M | $277M |
| 2 | Ken Griffin Citadel Advisors | 1.13M | $98M |
| 3 | George Soros Soros Fund Mgmt | 100.0K | $9M |
| 4 | Ken Griffin Citadel Advisors | 88.8K | $8M |
| 5 | Ken Fisher Fisher Asset Mgmt | 65.1K | $6M |
| 6 | Izzy Englander Millennium Mgmt | 17.4K | $2M |
| 7 | Ron Baron Baron Capital / BAMCO | 8.3K | $725K |
| 8 | Renaissance Technologies | 8.2K | $713K |
| 9 | Paul Tudor Jones Tudor Investment | 7.7K | $674K |
| 10 | AQR Capital Management | 7.0K | $607K |
| 11 | Ken Griffin Citadel Advisors | 6.4K | $559K |
| 12 | Paul Tudor Jones Tudor Investment | 3.5K | $306K |
| 13 | Paul Tudor Jones Tudor Investment | 2.8K | $245K |
| 14 | T. Rowe Price | 1.40M | $122K |
| 15 | Stanley Druckenmiller Duquesne | 159.7K | $14K |
Recent moves
20 transactions
- +7,718 · 2025Q4
- +1,262,977 · 2025Q4
- +8,300 · 2025Q4
- −1,616 · 2025Q4
- +180,302 · 2025Q4
- −110,169 · 2025Q4
- +888,806 · 2025Q4
- +100,000 · 2025Q4
- +8,167 · 2025Q4
- +65,114 · 2025Q4
- +870,708 · 2025Q3
- +283,733 · 2025Q3
- +112,369 · 2025Q3
- +159,700 · 2025Q3
- −8,839 · 2025Q3
- −173,134 · 2025Q3
- SOLDD.E. Shaw & Co.−47,361 · 2025Q2
- −5,741 · 2025Q2
- +50,368 · 2025Q2
- −119,078 · 2025Q2
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