Public Sector Pension Investment Board (PSP Investments)
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Public Sector Pension Investment Board (PSP Investments)’s Arrowhead Research ARWR Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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
Q1 		– Sell
-478,514
Closed -$31.8M – 1331
2025
Q4 		$31.8M Sell
478,514
-60,822
-11% -$2.98M 0.11% 118
2025
Q3 		$18.6M Buy
539,336
+110,950
+26% +$2.44M 0.07% 225
2025
Q2 		$6.77M Buy
428,386
+28,516
+7% +$409K 0.03% 537
2025
Q1 		$5.09M Buy
+399,870
New +$7.27M 0.02% 706
2021
Q4 		– Sell
-3,503
Closed -$219K – 1410
2021
Q3 		$219K Buy
+3,503
New +$227K ﹤0.01% 1429
2019
Q4 		– Sell
-242,224
Closed -$6.83M – 1530
2019
Q3 		$6.83M Buy
242,224
+33,224
+16% +$983K 0.05% 386
2019
Q2 		$5.54M Buy
+209,000
New +$4.59M 0.04% 389

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s ARWR Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) sold out of Arrowhead Research (ARWR) in Q1 2026, closing a stake of 478,514 shares — an estimated $31.8M sold.

Public Sector Pension Investment Board (PSP Investments) first reported a position in ARWR in Q2 2019 and held it in 7 quarters. The position peaked at $31.8M in Q4 2025. 438 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • Public Sector Pension Investment Board (PSP Investments) reported no remaining Arrowhead Research position as of Q1 2026 after selling out during the quarter.
  • Public Sector Pension Investment Board (PSP Investments) sold 478,514 Arrowhead Research shares in Q1 2026, an estimated $31.8M.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in Arrowhead Research in Q2 2019 and held it in 7 quarters.
  • Public Sector Pension Investment Board (PSP Investments)'s Arrowhead Research position peaked at $31.8M in Q4 2025.
  • 438 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.