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CenterBook Partners’s Arrowhead Research ARWR Stock Holding History

CenterBook Partners’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 		$1.61M Buy
+19,728
New +$1.46M 0.08% 269
2025
Q2 		– Sell
-66,913
Closed -$852K – 504
2025
Q1 		$852K Sell
66,913
-283,560
-81% -$5.16M 0.05% 345
2024
Q4 		$6.59M Sell
350,473
-44,105
-11% -$908K 0.39% 73
2024
Q3 		$7.64M Buy
394,578
+343,812
+677% +$8.39M 0.47% 57
2024
Q2 		$1.32M Buy
+50,766
New +$1.25M 0.08% 309

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

CenterBook Partners's ARWR Position: Q2 2026 in Review

CenterBook Partners opened a new position in Arrowhead Research (ARWR) in Q2 2026: 19,728 shares worth $1.61M. The stake represents 0.08% of the portfolio and ranks #269 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in ARWR as recently as Q1 2025.

CenterBook Partners first reported a position in ARWR in Q2 2024 and has held it in 5 quarters since. The position peaked at $7.64M in Q3 2024. 501 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • CenterBook Partners held 19,728 shares of Arrowhead Research worth $1.61M as of Q2 2026.
  • Arrowhead Research was a new CenterBook Partners position in Q2 2026.
  • Arrowhead Research made up 0.08% of CenterBook Partners's portfolio in Q2 2026, its #269 holding.
  • CenterBook Partners first reported a position in Arrowhead Research in Q2 2024 and has held it in 5 quarters since.
  • CenterBook Partners's Arrowhead Research position peaked at $7.64M in Q3 2024.
  • 501 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.