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560 hedge funds and large institutions have $13.4B invested in Icon in 2025 Q1 according to their latest regulatory filings, with 72 funds opening new positions, 192 increasing their positions, 222 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.57% more ownership

Funds ownership: 92.15%93.72% (+1.6%)

6% less funds holding

Funds holding: 594560 (-34)

14% less repeat investments, than reductions

Existing positions increased: 192 | Existing positions reduced: 222

16% less capital invested

Capital invested by funds: $16B → $13.4B (-$2.57B)

19% less funds holding in top 10

Funds holding in top 10: 1613 (-3)

25% less first-time investments, than exits

New positions opened: 72 | Existing positions closed: 96

39% less call options, than puts

Call options by funds: $14.9M | Put options by funds: $24.6M

Holders
560
Holders Change
-34
Holders Change %
-5.72%
% of All Funds
7.51%
Holding in Top 10
13
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-18.75%
% of All Funds
0.17%
New
72
Increased
192
Reduced
222
Closed
96
Calls
$14.9M
Puts
$24.6M
Net Calls
-$9.69M
Net Calls Change
+$53.6M
Name Holding Trade Value Shares
Change
Change in
Stake
BCM
76
Brown Capital Management
Maryland
$31.9M +$472K +2,434 +1%
HEIP
77
Hudson Edge Investment Partners
New Jersey
$31.8M -$471K -2,429 -1%
Renaissance Technologies
78
Renaissance Technologies
New York
$31.3M +$10.3M +53,125 +42%
CF
79
Canoe Financial
Alberta, Canada
$30.7M +$6.15M +31,730 +22%
Macquarie Group
80
Macquarie Group
Australia
$30.1M +$2.79M +14,386 +9%
1832 Asset Management
81
1832 Asset Management
Ontario, Canada
$29.3M +$4.29M +22,149 +15%
Canada Pension Plan Investment Board
82
Canada Pension Plan Investment Board
Ontario, Canada
$29M -$4.42M -22,795 -12%
State of Tennessee, Department of Treasury
83
State of Tennessee, Department of Treasury
Tennessee
$28.6M +$849K +4,380 +3%
CSS
84
Cubist Systematic Strategies
Connecticut
$28.4M +$27.6M +142,574 +718%
JGC
85
J. Goldman & Co
New York
$28.3M +$31.2M +160,803 +15,000%
Russell Investments Group
86
Russell Investments Group
United Kingdom
$27.8M +$26.1M +134,378 +547%
Raymond James Financial
87
Raymond James Financial
Florida
$26M -$4.32M -22,305 -13%
California Public Employees Retirement System
88
California Public Employees Retirement System
California
$25.9M -$900K -4,642 -3%
RG
89
Renaissance Group
Kentucky
$24.2M +$4.2M +21,660 +19%
BGIM
90
Brandywine Global Investment Management
Pennsylvania
$23.7M +$26.1M +134,394 New
CCP
91
Clarkston Capital Partners
Michigan
$23.4M +$6.48M +33,410 +33%
Natixis Advisors
92
Natixis Advisors
Massachusetts
$22.8M -$9.16M -47,251 -27%
ZIG
93
Zuckerman Investment Group
Illinois
$22.7M +$7.31M +37,723 +41%
Amundi
94
Amundi
France
$21.5M -$418K -2,156 -2%
Millennium Management
95
Millennium Management
New York
$20.2M -$21.4M -110,193 -49%
Capital Research Global Investors
96
Capital Research Global Investors
California
$18.9M -$202M -1,040,452 -91%
SM
97
Sunriver Management
Connecticut
$18.6M -$15.5M -79,723 -43%
WPI
98
Walter Public Investments
Canada
$17.9M +$1.06M +5,443 +6%
AC
99
Armistice Capital
New York
$17.5M -$61.7M -318,060 -76%
Swedbank
100
Swedbank
Sweden
$17.5M

ICLR Hedge Fund Activity: Q1 2025 in Review

560 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Icon (ICLR) for Q1 2025, worth a combined $13.4B — down 16% from $16B a quarter earlier.

Sellers outnumbered buyers: 96 funds closed out of ICLR and 72 opened new positions — a net loss of 24 holders — while 222 trimmed existing stakes and 192 added.

The largest buyer was Artisan Partners, adding an estimated $794M. The largest seller was BlueSpruce Investments, exiting entirely with an estimated $256M sold.

  • 560 institutional investors held Icon (ICLR) as of Q1 2025, down from 594 in Q4 2024.
  • Funds reported $13.4B of Icon stock for Q1 2025, down 16% quarter-over-quarter.
  • 72 funds opened new Icon positions in Q1 2025 and 96 closed out, a net change of -24 holders.
  • The largest Icon buyer in Q1 2025 was Artisan Partners, an estimated $794M added.
  • The largest Icon seller in Q1 2025 was BlueSpruce Investments, an estimated $256M sold.

Based on aggregated 13F filings for Q1 2025.