Ticker · CUSIP 46284V101
Holders (tracked)
22
Combined shares
9,609,026
Combined value
$797.07M
Last close
$118.07
Quarter
2025Q4
Price · 1Y$118.07+36.71 (+45.12%)H $118.07 · L $78.22 · Avg Vol 1.7M
Tracked holders · last 8 quarters
+8 vs previous quarter over the last 8.
Price is +42.3% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
24 events
- Ken Griffin (Citadel Advisors) added2026-02-17+1,058,080 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−138,283 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+290,160 shares · 2025Q4Position
- Steve Cohen (Point72) trimmed2026-02-17−506,027 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+11,264 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−144,765 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+3,597 shares · 2025Q4Position
- +22,190 shares · 2025Q4Position
- Ron Baron (Baron Capital / BAMCO) exited2026-02-17−436,831 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+465,724 shares · 2025Q4Position
- +327,700 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+4,447,133 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−381 shares · 2025Q4Position
- −29,141 shares · 2025Q3Position
- Ron Baron (Baron Capital / BAMCO) added2025-11-14+329,307 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−439,938 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+282,152 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−90,552 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−31,445 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−1,245,031 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+351,463 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−4,089,466 shares · 2025Q3Position
- Norges Bank (Norway SWF) added2025-11-12+41,378 shares · 2024Q3Position
- Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12−468 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IRM…
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 |
|---|---|---|---|---|
| Norges Bank (Norway SWF) | 2016Q1 | $62.00 | +90.4% | $525.1M |
| T. Rowe Price | 2016Q1 | $66.29 | +78.1% | $71.7M |
| Ken Fisher (Fisher Asset Mgmt) | 2023Q4 | $81.30 | +45.2% | $498K |
| George Soros (Soros Fund Mgmt) | 2017Q1 | $82.13 | +43.8% | $38.7M |
| Wellington Management | 2018Q3 | $82.81 | +42.6% | $12.3M |
| Steve Cohen (Point72) | 2023Q1 | $83.03 | +42.2% | $460K |
| Steve Cohen (Point72) | 2023Q1 | $83.03 | +42.2% | $460K |
| Steve Cohen (Point72) | 2023Q1 | $83.03 | +42.2% | $460K |
| Two Sigma Investments | 2016Q1 | $83.27 | +41.8% | $34.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $83.75 | +41.0% | $1.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $83.75 | +41.0% | $1.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $83.75 | +41.0% | $1.4M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $84.06 | +40.5% | $21.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $84.06 | +40.5% | $21.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $84.06 | +40.5% | $21.0M |
| D.E. Shaw & Co. | 2016Q1 | $86.24 | +36.9% | $4.0M |
| D.E. Shaw & Co. | 2016Q1 | $86.24 | +36.9% | $4.0M |
| D.E. Shaw & Co. | 2016Q1 | $86.24 | +36.9% | $4.0M |
| Paul Tudor Jones (Tudor Investment) | 2017Q4 | $87.70 | +34.6% | $2.5M |
| Paul Tudor Jones (Tudor Investment) | 2017Q4 | $87.70 | +34.6% | $2.5M |
| Paul Tudor Jones (Tudor Investment) | 2017Q4 | $87.70 | +34.6% | $2.5M |
| AQR Capital Management | 2016Q1 | $92.05 | +28.3% | $109.0M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- Norges Bank (Norway SWF)+4,447,133$368.9M
- George Soros (Soros Fund Mgmt)+327,700$27.2M
- Two Sigma Investments+290,160$24.1M
- Paul Tudor Jones (Tudor Investment)+22,190$1.8M
Added to4
- Ken Griffin (Citadel Advisors)+1,058,080$87.8M
- AQR Capital Management+465,724$38.6M
- Izzy Englander (Millennium Mgmt)+3,597$298K
- T. Rowe Price+11,264$934
Trimmed4
- Steve Cohen (Point72)−506,027$42.0M
- Wellington Management−144,765$12.0M
- D.E. Shaw & Co.−138,283$11.5M
- Ken Fisher (Fisher Asset Mgmt)−381$32K
Exited1
- Ron Baron (Baron Capital / BAMCO)−436,831$44.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 15 | $159.67B |
| 2022Q2 | 16 | $119.53B |
| 2022Q3 | 17 | $1.19B |
| 2022Q4 | 17 | $1.37B |
| 2023Q1 | 14 | $1.43B |
| 2023Q2 | 17 | $1.59B |
| 2023Q3 | 14 | $1.68B |
| 2023Q4 | 13 | $2.11B |
| 2024Q1 | 15 | $2.67B |
| 2024Q2 | 14 | $3.21B |
| 2024Q3 | 17 | $1.01B |
| 2024Q4 | 18 | $755.4M |
| 2025Q1 | 19 | $709.3M |
| 2025Q2 | 19 | $969.3M |
| 2025Q3 | 14 | $415.7M |
| 2025Q4 | 22 | $797.1M |
Who owns IRM
22 super-investors · 2025Q4
Tracked stake
9.61M
shares
Combined value
$797M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added8Trim8
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 4.45M | $369M |
| 2 | Ken Griffin Citadel Advisors | 1.12M | $93M |
| 3 | AQR Capital Management | 923.2K | $77M |
| 4 | Steve Cohen Point72 | 790.5K | $66M |
| 5 | T. Rowe Price | 606.9K | $50M |
| 6 | Izzy Englander Millennium Mgmt | 489.0K | $41M |
| 7 | George Soros Soros Fund Mgmt | 327.7K | $27M |
| 8 | Two Sigma Investments | 290.2K | $24M |
| 9 | Ken Griffin Citadel Advisors | 177.9K | $15M |
| 10 | Wellington Management | 104.1K | $9M |
| 11 | Ken Griffin Citadel Advisors | 90.5K | $8M |
| 12 | Izzy Englander Millennium Mgmt | 74.6K | $6M |
| 13 | Paul Tudor Jones Tudor Investment | 40.4K | $3M |
| 14 | D.E. Shaw & Co. | 34.1K | $3M |
| 15 | Paul Tudor Jones Tudor Investment | 22.2K | $2M |
| 16 | Paul Tudor Jones Tudor Investment | 21.2K | $2M |
| 17 | D.E. Shaw & Co. | 19.3K | $2M |
| 18 | Izzy Englander Millennium Mgmt | 11.8K | $979K |
| 19 | D.E. Shaw & Co. | 5.8K | $477K |
| 20 | Steve Cohen Point72 | 5.1K | $423K |
| 21 | Ken Fisher Fisher Asset Mgmt | 4.2K | $350K |
| 22 | Steve Cohen Point72 | 3.9K | $324K |
Recent moves
20 transactions
- −436,831 · 2025Q4
- +465,724 · 2025Q4
- −144,765 · 2025Q4
- +11,264 · 2025Q4
- +290,160 · 2025Q4
- −506,027 · 2025Q4
- +1,058,080 · 2025Q4
- TRIMD.E. Shaw & Co.−138,283 · 2025Q4
- +3,597 · 2025Q4
- +22,190 · 2025Q4
- +327,700 · 2025Q4
- +4,447,133 · 2025Q4
- −381 · 2025Q4
- −29,141 · 2025Q3
- +282,152 · 2025Q3
- −90,552 · 2025Q3
- TRIMD.E. Shaw & Co.−439,938 · 2025Q3
- TRIMT. Rowe Price−31,445 · 2025Q3
- −1,245,031 · 2025Q3
- +329,307 · 2025Q3
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