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Avidity Partners Management’s Icon ICLR Stock Holding History

Avidity Partners Management’s Portfolio ICLR Stock Details ICLR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.66M Sell
32,000
-1,100
-3% -$150K 0.39% 26
2025
Q4 		$6.03M Buy
+33,100
New +$5.89M 1.74% 13
2023
Q2 		– Sell
-142,900
Closed -$30.5M – 103
2023
Q1 		$30.5M Sell
142,900
-72,100
-34% -$16M 1.01% 36
2022
Q4 		$41.8M Buy
+215,000
New +$42.6M 0.9% 36

Other funds holding ICLR

Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BWA
Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
SHCM
Sachem Head Capital Management New York $4.15B AUM 48.05% 1-Year Est. Return

Avidity Partners Management's ICLR Position: Q1 2026 in Review

Avidity Partners Management reduced its Icon (ICLR) stake by 3.3% in Q1 2026, selling an estimated $150K and leaving 32,000 shares worth $3.66M. The position accounts for 0.39% of the portfolio, ranked #26.

Avidity Partners Management first reported a position in ICLR in Q4 2022 and has held it in 4 quarters since. The position peaked at $41.8M in Q4 2022. 415 funds tracked by Wall St. Rank hold ICLR as of Q1 2026.

  • Avidity Partners Management held 32,000 shares of Icon worth $3.66M as of Q1 2026.
  • Avidity Partners Management sold 1,100 Icon shares in Q1 2026, an estimated $150K.
  • Icon made up 0.39% of Avidity Partners Management's portfolio in Q1 2026, its #26 holding.
  • Avidity Partners Management first reported a position in Icon in Q4 2022 and has held it in 4 quarters since.
  • Avidity Partners Management's Icon position peaked at $41.8M in Q4 2022.
  • 415 funds tracked by Wall St. Rank held Icon as of Q1 2026.

Based on Avidity Partners Management's 13F filing for Q1 2026, filed 13 May 2026.