Icon
ICLR
515 hedge funds and large institutions have $14.1B invested in Icon in 2025 Q4 according to their latest regulatory filings, with 84 funds opening new positions, 157 increasing their positions, 193 reducing their positions, and 72 closing their positions.
152% more call options, than puts
Call options by funds: $46.7M | Put options by funds: $18.6M
42% more funds holding in top 10
Funds holding in top 10: 12 → 17 (+5)
17% more first-time investments, than exits
New positions opened: 84 | Existing positions closed: 72
8% more capital invested
Capital invested by funds: $13B → $14.1B (+$1.08B)
3.65% more ownership
Funds ownership: 92.16% → 95.81% (+3.6%)
0% more funds holding
Funds holding: 514 → 515 (+1)
19% less repeat investments, than reductions
Existing positions increased: 157 | Existing positions reduced: 193
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital World Investors
Los Angeles,
California
|
+$226M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$207M |
| 3 |
LAM
Lyrical Asset Management
New York
|
+$172M |
| 4 |
VLKIM
Van Lanschot Kempen Investment Management
Amsterdam,
Netherlands
|
+$132M |
| 5 |
Jennison Associates
New York
|
+$121M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$204M |
| 2 |
D.E. Shaw & Co
New York
|
-$147M |
| 3 |
UIM
USS Investment Management
London,
United Kingdom
|
-$99M |
| 4 |
ClearBridge Investments
New York
|
-$92.1M |
| 5 |
Westfield Capital Management
Boston,
Massachusetts
|
-$70.1M |
ICLR Hedge Fund Activity: Q4 2025 in Review
515 institutional investors reported a position in Icon (ICLR) for Q4 2025, worth a combined $14.1B — up 8.3% from $13B a quarter earlier.
Buyers outnumbered sellers: 84 funds opened new ICLR positions and 72 closed out — a net gain of 12 holders — while 157 added to existing stakes and 193 trimmed.
The largest buyer was Capital World Investors, adding an estimated $226M. The largest seller was Massachusetts Financial Services, cutting an estimated $204M.
- 515 institutional investors held Icon (ICLR) as of Q4 2025, up from 514 in Q3 2025.
- Funds reported $14.1B of Icon stock for Q4 2025, up 8.3% quarter-over-quarter.
- 84 funds opened new Icon positions in Q4 2025 and 72 closed out, a net change of +12 holders.
- The largest Icon buyer in Q4 2025 was Capital World Investors, an estimated $226M added.
- The largest Icon seller in Q4 2025 was Massachusetts Financial Services, an estimated $204M sold.
Based on aggregated 13F filings for Q4 2025.