Alyeska Investment Group
ARWR icon

Alyeska Investment Group’s Arrowhead Research ARWR Stock Holding History

Alyeska Investment Group’s Portfolio ARWR Stock Details ARWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.79M Sell
58,722
-414,148
-88% -$30.6M 0.01% 507
2026
Q1 		$29.6M Buy
472,870
+97,499
+26% +$6.17M 0.08% 261
2025
Q4 		$24.9M Buy
+375,371
New +$18.4M 0.07% 283

Other funds holding ARWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
FAM
Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return

Alyeska Investment Group's ARWR Position: Q2 2026 in Review

Alyeska Investment Group reduced its Arrowhead Research (ARWR) stake by 88% in Q2 2026, selling an estimated $30.6M and leaving 58,722 shares worth $4.79M. The position accounts for 0.01% of the portfolio, ranked #507.

Alyeska Investment Group first reported a position in ARWR in Q4 2025 and has held it in 3 quarters since. The position peaked at $29.6M in Q1 2026. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Alyeska Investment Group held 58,722 shares of Arrowhead Research worth $4.79M as of Q2 2026.
  • Alyeska Investment Group sold 414,148 Arrowhead Research shares in Q2 2026, an estimated $30.6M.
  • Arrowhead Research made up 0.01% of Alyeska Investment Group's portfolio in Q2 2026, its #507 holding.
  • Alyeska Investment Group first reported a position in Arrowhead Research in Q4 2025 and has held it in 3 quarters since.
  • Alyeska Investment Group's Arrowhead Research position peaked at $29.6M in Q1 2026.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.