Ticker · CUSIP 736508847
Holders (tracked)
13
Combined shares
8,694,651
Combined value
$417.26M
Last close
$52.63
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
Price is +9.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
23 events
- Jeremy Grantham (GMO) opened position2026-02-17+5,932 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+416,627 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−6,205 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+532,867 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+402,124 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+24,112 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+27,722 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+1,054,450 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+30,001 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−72,900 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+1,177,263 shares · 2025Q4Position
- Mario Gabelli (GAMCO) trimmed2026-02-05−10,000 shares · 2025Q4Position
- −187,633 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+634,890 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+690,743 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+42,675 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+86,500 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+34,622 shares · 2025Q3Position
- +29,145 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+61,100 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−1,022,749 shares · 2025Q3Position
- Mario Gabelli (GAMCO) trimmed2025-11-12−4,000 shares · 2025Q3Position
- Norges Bank (Norway SWF) added2025-11-12+32,817 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of POR…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $43.96 | +19.7% | $94.1M |
| D.E. Shaw & Co. | 2016Q1 | $44.07 | +19.4% | $4.5M |
| Steve Cohen (Point72) | 2019Q2 | $44.53 | +18.2% | $1.3M |
| Norges Bank (Norway SWF) | 2016Q1 | $44.56 | +18.1% | $62.0M |
| T. Rowe Price | 2016Q1 | $44.91 | +17.2% | $13.5M |
| AQR Capital Management | 2016Q1 | $45.50 | +15.7% | $186.9M |
| Ray Dalio (Bridgewater Associates) | 2025Q3 | $46.02 | +14.4% | $3.1M |
| Two Sigma Investments | 2016Q1 | $46.81 | +12.4% | $55.0M |
| Mario Gabelli (GAMCO) | 2020Q4 | $46.82 | +12.4% | $2.2M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $47.80 | +10.1% | $437K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $47.80 | +10.1% | $437K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $47.80 | +10.1% | $437K |
| Jeremy Grantham (GMO) | 2019Q1 | $52.51 | +0.2% | $312K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+1,177,263$56.5M
- Steve Cohen (Point72)+24,112$1.2M
- Jeremy Grantham (GMO)+5,932$285K
Added to6
- AQR Capital Management+1,054,450$50.6M
- Two Sigma Investments+532,867$25.6M
- Ken Griffin (Citadel Advisors)+416,627$20.0M
- Izzy Englander (Millennium Mgmt)+402,124$19.3M
- Ray Dalio (Bridgewater Associates)+30,001$1.4M
- T. Rowe Price+27,722$1K
Trimmed2
- Mario Gabelli (GAMCO)−10,000$480K
- D.E. Shaw & Co.−6,205$298K
Exited1
- Renaissance Technologies−72,900$3.2M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $27.51B |
| 2022Q2 | 12 | $23.21B |
| 2022Q3 | 13 | $722.1M |
| 2022Q4 | 11 | $908.9M |
| 2023Q1 | 14 | $910.4M |
| 2023Q2 | 11 | $876.5M |
| 2023Q3 | 12 | $629.7M |
| 2023Q4 | 10 | $719.0M |
| 2024Q1 | 12 | $702.6M |
| 2024Q2 | 13 | $729.5M |
| 2024Q3 | 14 | $170.9M |
| 2024Q4 | 11 | $110.0M |
| 2025Q1 | 12 | $169.9M |
| 2025Q2 | 12 | $184.6M |
| 2025Q3 | 10 | $224.3M |
| 2025Q4 | 13 | $417.3M |
Who owns POR
13 super-investors · 2025Q4
Tracked stake
8.69M
shares
Combined value
$417M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added8Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 3.55M | $170M |
| 2 | Izzy Englander Millennium Mgmt | 1.79M | $86M |
| 3 | Norges Bank Norway SWF | 1.18M | $56M |
| 4 | Two Sigma Investments | 1.04M | $50M |
| 5 | Ken Griffin Citadel Advisors | 622.0K | $30M |
| 6 | T. Rowe Price | 255.8K | $12M |
| 7 | D.E. Shaw & Co. | 86.2K | $4M |
| 8 | Ray Dalio Bridgewater Associates | 59.1K | $3M |
| 9 | Mario Gabelli GAMCO | 42.4K | $2M |
| 10 | Ken Griffin Citadel Advisors | 29.1K | $1M |
| 11 | Steve Cohen Point72 | 24.1K | $1M |
| 12 | Ken Griffin Citadel Advisors | 8.3K | $398K |
| 13 | Jeremy Grantham GMO | 5.9K | $285K |
Recent moves
20 transactions
- +532,867 · 2025Q4
- +402,124 · 2025Q4
- TRIMD.E. Shaw & Co.−6,205 · 2025Q4
- +1,054,450 · 2025Q4
- +24,112 · 2025Q4
- +5,932 · 2025Q4
- +27,722 · 2025Q4
- +416,627 · 2025Q4
- +30,001 · 2025Q4
- −72,900 · 2025Q4
- +1,177,263 · 2025Q4
- −10,000 · 2025Q4
- −187,633 · 2025Q3
- +634,890 · 2025Q3
- +690,743 · 2025Q3
- +42,675 · 2025Q3
- +86,500 · 2025Q3
- +34,622 · 2025Q3
- +61,100 · 2025Q3
- +29,145 · 2025Q3
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