Ticker · CUSIP 700658107
Holders (tracked)
6
Combined shares
124,610
Combined value
$16.33M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−6,478 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+955 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−2,153 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−818 shares · 2025Q413F
- +49,267 shares · 2025Q413F
- AQR Capital Management added2026-02-17+3,545 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−11,467 shares · 2025Q413F
- Renaissance Technologies exited2026-02-12−19,305 shares · 2025Q413F
- −21,350 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+9,009 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−4,264 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,022 shares · 2025Q313F
- AQR Capital Management added2025-11-14+2,737 shares · 2025Q313F
- +9,235 shares · 2025Q313F
- Renaissance Technologies opened position2025-11-13+19,305 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 positions1
- Paul Tudor Jones (Tudor Investment)+49,267$7.5M
Added to2
- AQR Capital Management+3,545$539K
- D.E. Shaw & Co.+955$145K
Trimmed3
- Ken Griffin (Citadel Advisors)−6,478$986K
- Izzy Englander (Millennium Mgmt)−2,153$328K
- T. Rowe Price−818$124
Exited2
- Renaissance Technologies−19,305$3.1M
- Two Sigma Investments−11,467$1.9M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 4 | $301.6M |
| 2022Q2 | 4 | $281.8M |
| 2022Q3 | 7 | $290K |
| 2022Q4 | 5 | $330.3M |
| 2023Q1 | 4 | $279.1M |
| 2023Q2 | 7 | $233.5M |
| 2023Q3 | 9 | $211.9M |
| 2023Q4 | 5 | $305.1M |
| 2024Q1 | 4 | $303.8M |
| 2024Q2 | 3 | $316.6M |
| 2024Q3 | 5 | $6.5M |
| 2024Q4 | 4 | $4.3M |
| 2025Q1 | 8 | $13.8M |
| 2025Q2 | 6 | $12.6M |
| 2025Q3 | 7 | $15.1M |
| 2025Q4 | 6 | $16.3M |
Who owns PRK
6 super-investors · 2025Q4
Tracked stake
124.6K
shares
Combined value
$16M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Paul Tudor Jones Tudor Investment | 49.3K | $7M |
| 2 | Ken Griffin Citadel Advisors | 22.2K | $3M |
| 3 | D.E. Shaw & Co. | 16.3K | $2M |
| 4 | AQR Capital Management | 12.5K | $2M |
| 5 | Izzy Englander Millennium Mgmt | 7.1K | $1M |
| 6 | T. Rowe Price | 17.3K | $3K |
Recent moves
20 transactions
- −11,467 · 2025Q4
- +49,267 · 2025Q4
- +3,545 · 2025Q4
- TRIMT. Rowe Price−818 · 2025Q4
- −2,153 · 2025Q4
- −6,478 · 2025Q4
- +955 · 2025Q4
- −19,305 · 2025Q4
- −21,350 · 2025Q3
- +9,009 · 2025Q3
- +9,235 · 2025Q3
- +1,022 · 2025Q3
- +2,737 · 2025Q3
- TRIMD.E. Shaw & Co.−4,264 · 2025Q3
- +19,305 · 2025Q3
- −13,219 · 2025Q2
- −2,200 · 2025Q2
- −22,642 · 2025Q2
- +6,523 · 2025Q2
- +990 · 2025Q2
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