Ticker · CUSIP 45867G101
Holders (tracked)
19
Combined shares
3,080,035
Combined value
$980.62M
Last close
$373.02
Quarter
2025Q4
Price · 1Y$373.02+185.48 (+98.90%)H $394.78 · L $181.69 · Avg Vol 326K
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
Price is +17.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
24 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−1,453 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−29,933 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+854,845 shares · 2025Q4Position
- Wellington Management added2026-02-17+45,609 shares · 2025Q4Position
- +4,500 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−2,129 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−4,745 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−18,896 shares · 2025Q4Position
- Steve Cohen (Point72) exited2026-02-17−13,353 shares · 2025Q4Position
- −26,542 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−33,302 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+404,918 shares · 2025Q4Position
- −24,263 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−6,167 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−9,383 shares · 2025Q3Position
- Steve Cohen (Point72) opened position2025-11-14+13,353 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+34,192 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−2,482 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+773,671 shares · 2025Q3Position
- Wellington Management added2025-11-14+6,529 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−317,531 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−31,993 shares · 2025Q3Position
- Ray Dalio (Bridgewater Associates) added2025-11-13+9,645 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−35,136 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IDCC…
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 |
|---|---|---|---|---|
| AQR Capital Management | 2016Q1 | $101.10 | +268.9% | $8.3M |
| Renaissance Technologies | 2016Q1 | $192.57 | +93.7% | $12.0M |
| Norges Bank (Norway SWF) | 2016Q1 | $210.07 | +77.6% | $151.0M |
| Ray Dalio (Bridgewater Associates) | 2024Q1 | $214.99 | +73.5% | $3.0M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $216.75 | +72.1% | $298K |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $216.75 | +72.1% | $298K |
| Two Sigma Investments | 2016Q1 | $231.87 | +60.9% | $33.1M |
| Wellington Management | 2016Q3 | $236.48 | +57.7% | $31.4M |
| Steve Cohen (Point72) | 2019Q2 | $250.58 | +48.9% | $7.0M |
| Steve Cohen (Point72) | 2019Q2 | $250.58 | +48.9% | $7.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $257.44 | +44.9% | $4.1M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $257.44 | +44.9% | $4.1M |
| D.E. Shaw & Co. | 2016Q1 | $288.40 | +29.3% | $7.0M |
| D.E. Shaw & Co. | 2016Q1 | $288.40 | +29.3% | $7.0M |
| D.E. Shaw & Co. | 2016Q1 | $288.40 | +29.3% | $7.0M |
| T. Rowe Price | 2016Q1 | $296.86 | +25.7% | $828.9M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $319.55 | +16.7% | $15.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $319.55 | +16.7% | $15.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $319.55 | +16.7% | $15.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+404,918$128.9M
- Paul Tudor Jones (Tudor Investment)+4,500$1.4M
Added to2
- Wellington Management+45,609$14.5M
- T. Rowe Price+854,845$272K
Trimmed7
- Renaissance Technologies−33,302$10.6M
- Two Sigma Investments−29,933$9.5M
- Ray Dalio (Bridgewater Associates)−26,542$8.5M
- Izzy Englander (Millennium Mgmt)−18,896$6.0M
- D.E. Shaw & Co.−4,745$1.5M
- AQR Capital Management−2,129$678K
- Ken Griffin (Citadel Advisors)−1,453$463K
Exited1
- Steve Cohen (Point72)−13,353$4.6M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $19.50B |
| 2022Q2 | 10 | $18.18B |
| 2022Q3 | 12 | $278.2M |
| 2022Q4 | 11 | $333.0M |
| 2023Q1 | 12 | $480.2M |
| 2023Q2 | 14 | $607.1M |
| 2023Q3 | 12 | $482.3M |
| 2023Q4 | 11 | $569.4M |
| 2024Q1 | 16 | $613.6M |
| 2024Q2 | 16 | $618.0M |
| 2024Q3 | 15 | $124.3M |
| 2024Q4 | 15 | $194.2M |
| 2025Q1 | 15 | $234.3M |
| 2025Q2 | 14 | $321.1M |
| 2025Q3 | 14 | $644.8M |
| 2025Q4 | 19 | $980.6M |
Who owns IDCC
19 super-investors · 2025Q4
Tracked stake
3.08M
shares
Combined value
$981M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added2Trim12Sold2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | T. Rowe Price | 2.22M | $707M |
| 2 | Norges Bank Norway SWF | 404.9K | $129M |
| 3 | Two Sigma Investments | 88.8K | $28M |
| 4 | Wellington Management | 84.2K | $27M |
| 5 | Ken Griffin Citadel Advisors | 51.3K | $16M |
| 6 | Ken Griffin Citadel Advisors | 40.5K | $13M |
| 7 | Renaissance Technologies | 32.3K | $10M |
| 8 | D.E. Shaw & Co. | 24.5K | $8M |
| 9 | AQR Capital Management | 22.3K | $7M |
| 10 | Steve Cohen Point72 | 20.9K | $7M |
| 11 | D.E. Shaw & Co. | 18.8K | $6M |
| 12 | Steve Cohen Point72 | 18.7K | $6M |
| 13 | D.E. Shaw & Co. | 18.4K | $6M |
| 14 | Izzy Englander Millennium Mgmt | 10.9K | $3M |
| 15 | Ray Dalio Bridgewater Associates | 8.0K | $3M |
| 16 | Izzy Englander Millennium Mgmt | 5.4K | $2M |
| 17 | Paul Tudor Jones Tudor Investment | 3.7K | $1M |
| 18 | Ken Griffin Citadel Advisors | 3.5K | $1M |
| 19 | Paul Tudor Jones Tudor Investment | 800 | $255K |
Recent moves
20 transactions
- +4,500 · 2025Q4
- TRIMD.E. Shaw & Co.−4,745 · 2025Q4
- −13,353 · 2025Q4
- −2,129 · 2025Q4
- −18,896 · 2025Q4
- −29,933 · 2025Q4
- −1,453 · 2025Q4
- +45,609 · 2025Q4
- +854,845 · 2025Q4
- −26,542 · 2025Q4
- −33,302 · 2025Q4
- +404,918 · 2025Q4
- −24,263 · 2025Q3
- +13,353 · 2025Q3
- TRIMD.E. Shaw & Co.−2,482 · 2025Q3
- −9,383 · 2025Q3
- +34,192 · 2025Q3
- +773,671 · 2025Q3
- +6,529 · 2025Q3
- −6,167 · 2025Q3
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