Ticker · CUSIP 453204109
Holders (tracked)
19
Combined shares
2,283,776
Combined value
$397.40M
Last close
$112.28
Quarter
2025Q4
Price · 1Y$112.28+43.61 (+63.51%)H $241.91 · L $68.67 · Avg Vol 593K
Congress buy
Tracked holders · last 8 quarters
+8 vs previous quarter over the last 8.
Price is -35.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
25 events
- +42,663 shares · 2025Q4Position
- +9,448 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−7,628 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−3,347 shares · 2025Q4Position
- Whale Rock Capital trimmed2026-02-17−337,313 shares · 2025Q4Position
- +1,377 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+7,300 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+18,263 shares · 2025Q4Position
- Wellington Management added2026-02-17+7,968 shares · 2025Q4Position
- −4,339 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+22,800 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+317,313 shares · 2025Q4Position
- Baillie Gifford & Co opened position2026-01-23+102,753 shares · 2025Q4Position
- Two Sigma Investments trimmed2025-11-14−2,412 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+3,784 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−2,134 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) exited2025-11-14−81,740 shares · 2025Q3Position
- Steve Cohen (Point72) exited2025-11-14−317,103 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+227,788 shares · 2025Q3Position
- Wellington Management added2025-11-14+70,925 shares · 2025Q3Position
- +19 shares · 2025Q3Position
- Whale Rock Capital added2025-11-14+338,487 shares · 2025Q3Position
- +4,339 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−91,485 shares · 2025Q3Position
- Norges Bank (Norway SWF) opened position2025-11-12+140,970 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of PI…
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 |
|---|---|---|---|---|
| Ron Baron (Baron Capital / BAMCO) | 2016Q4 | $29.31 | +283.0% | $2K |
| Steve Cohen (Point72) | 2021Q4 | $105.25 | +6.7% | $449K |
| Steve Cohen (Point72) | 2021Q4 | $105.25 | +6.7% | $449K |
| Izzy Englander (Millennium Mgmt) | 2017Q1 | $109.08 | +2.9% | $155K |
| Whale Rock Capital | 2025Q1 | $115.59 | -2.9% | $99.6M |
| AQR Capital Management | 2019Q2 | $117.67 | -4.6% | $512K |
| Renaissance Technologies | 2018Q4 | $137.54 | -18.4% | $2.6M |
| T. Rowe Price | 2017Q4 | $149.45 | -24.9% | $77.8M |
| Two Sigma Investments | 2017Q3 | $154.27 | -27.2% | $215K |
| Ken Griffin (Citadel Advisors) | 2017Q1 | $163.96 | -31.5% | $4.8M |
| Ken Griffin (Citadel Advisors) | 2017Q1 | $163.96 | -31.5% | $4.8M |
| Ken Griffin (Citadel Advisors) | 2017Q1 | $163.96 | -31.5% | $4.8M |
| Norges Bank (Norway SWF) | 2021Q1 | $164.49 | -31.7% | $35.6M |
| D.E. Shaw & Co. | 2018Q1 | $165.82 | -32.3% | $1.1M |
| D.E. Shaw & Co. | 2018Q1 | $165.82 | -32.3% | $1.1M |
| Paul Tudor Jones (Tudor Investment) | 2019Q1 | $170.89 | -34.3% | $157K |
| Paul Tudor Jones (Tudor Investment) | 2019Q1 | $170.89 | -34.3% | $157K |
| Baillie Gifford & Co | 2025Q4 | $174.01 | -35.5% | $11.5M |
| Wellington Management | 2016Q4 | $175.26 | -35.9% | $10.5M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions7
- Norges Bank (Norway SWF)+317,313$55.2M
- Baillie Gifford & Co+102,753$17.9M
- Paul Tudor Jones (Tudor Investment)+42,663$7.4M
- Renaissance Technologies+22,800$4.0M
- Ken Griffin (Citadel Advisors)+9,448$1.6M
- Steve Cohen (Point72)+7,300$1.3M
- Izzy Englander (Millennium Mgmt)+1,377$240K
Added to2
- Wellington Management+7,968$1.4M
- T. Rowe Price+18,263$3K
Trimmed3
- Whale Rock Capital−337,313$58.7M
- D.E. Shaw & Co.−7,628$1.3M
- AQR Capital Management−3,347$582K
Exited1
- Ray Dalio (Bridgewater Associates)−4,339$784K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $133.2M |
| 2022Q2 | 8 | $113.3M |
| 2022Q3 | 10 | $192.9M |
| 2022Q4 | 14 | $350.4M |
| 2023Q1 | 14 | $449.8M |
| 2023Q2 | 13 | $223.9M |
| 2023Q3 | 12 | $150.2M |
| 2023Q4 | 7 | $257.6M |
| 2024Q1 | 9 | $356.7M |
| 2024Q2 | 11 | $453.0M |
| 2024Q3 | 11 | $193.5M |
| 2024Q4 | 15 | $213.5M |
| 2025Q1 | 15 | $231.6M |
| 2025Q2 | 14 | $226.2M |
| 2025Q3 | 11 | $378.0M |
| 2025Q4 | 19 | $397.4M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-05-14 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-05-05 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-04-04 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-03-03 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
Who owns PI
19 super-investors · 2025Q4
Tracked stake
2.28M
shares
Combined value
$397M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New11Added2Trim4Held2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Whale Rock Capital | 887.3K | $154M |
| 2 | T. Rowe Price | 692.6K | $121M |
| 3 | Norges Bank Norway SWF | 317.3K | $55M |
| 4 | Baillie Gifford & Co | 102.8K | $18M |
| 5 | Wellington Management | 93.4K | $16M |
| 6 | Ken Griffin Citadel Advisors | 45.6K | $8M |
| 7 | Paul Tudor Jones Tudor Investment | 42.7K | $7M |
| 8 | Ken Griffin Citadel Advisors | 42.5K | $7M |
| 9 | Renaissance Technologies | 22.8K | $4M |
| 10 | D.E. Shaw & Co. | 9.6K | $2M |
| 11 | Ken Griffin Citadel Advisors | 9.4K | $2M |
| 12 | AQR Capital Management | 4.6K | $793K |
| 13 | Steve Cohen Point72 | 4.0K | $696K |
| 14 | Steve Cohen Point72 | 3.3K | $574K |
| 15 | Two Sigma Investments | 1.9K | $333K |
| 16 | Paul Tudor Jones Tudor Investment | 1.4K | $244K |
| 17 | Izzy Englander Millennium Mgmt | 1.4K | $240K |
| 18 | D.E. Shaw & Co. | 1.3K | $226K |
| 19 | Ron Baron Baron Capital / BAMCO | 19 | $3K |
Recent moves
20 transactions
- −3,347 · 2025Q4
- +7,300 · 2025Q4
- −337,313 · 2025Q4
- +42,663 · 2025Q4
- +1,377 · 2025Q4
- TRIMD.E. Shaw & Co.−7,628 · 2025Q4
- +9,448 · 2025Q4
- +7,968 · 2025Q4
- +18,263 · 2025Q4
- −4,339 · 2025Q4
- +22,800 · 2025Q4
- +317,313 · 2025Q4
- +102,753 · 2025Q4
- −317,103 · 2025Q3
- −81,740 · 2025Q3
- −2,412 · 2025Q3
- +3,784 · 2025Q3
- +338,487 · 2025Q3
- +227,788 · 2025Q3
- +70,925 · 2025Q3
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