Vanguard Personalized Indexing Management
ARWR icon

Vanguard Personalized Indexing Management’s Arrowhead Research ARWR Stock Holding History

Vanguard Personalized Indexing Management’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 		$1.17M Buy
14,336
+2,106
+17% +$156K 0.01% 910
2026
Q1 		$767K Buy
12,230
+3,076
+34% +$195K 0.01% 1066
2025
Q4 		$608K Buy
9,154
+829
+10% +$40.6K 0.01% 1153
2025
Q3 		$287K Buy
+8,325
New +$183K ﹤0.01% 1529
2024
Q4 		– Sell
-10,013
Closed -$194K – 1813
2024
Q3 		$194K Sell
10,013
-2,738
-21% -$66.8K ﹤0.01% 1538
2024
Q2 		$331K Buy
12,751
+2,405
+23% +$59.1K 0.01% 1231
2024
Q1 		$296K Buy
10,346
+261
+3% +$8.35K 0.01% 1272
2023
Q4 		$309K Buy
+10,085
New +$268K 0.01% 1213
2023
Q3 		– Sell
-7,796
Closed -$278K – 1488
2023
Q2 		$278K Buy
+7,796
New +$269K 0.01% 1177
2023
Q1 		– Sell
-5,039
Closed -$204K – 1468
2022
Q4 		$204K Buy
+5,039
New +$167K 0.01% 1149
2022
Q2 		– Sell
-11,722
Closed -$539K – 1266
2022
Q1 		$539K Buy
11,722
+589
+5% +$29.2K 0.03% 802
2021
Q4 		$738K Buy
+11,133
New +$765K 0.04% 537
2021
Q3 		– Sell
-6,485
Closed -$537K – 980
2021
Q2 		$537K Buy
+6,485
New +$483K 0.06% 448

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

Vanguard Personalized Indexing Management's ARWR Position: Q2 2026 in Review

Vanguard Personalized Indexing Management increased its Arrowhead Research (ARWR) stake by 17% in Q2 2026, buying an estimated $156K and bringing the position to 14,336 shares worth $1.17M. The position accounts for 0.01% of the portfolio, ranked #910.

Vanguard Personalized Indexing Management first reported a position in ARWR in Q2 2021 and has held it in 13 quarters since. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Vanguard Personalized Indexing Management held 14,336 shares of Arrowhead Research worth $1.17M as of Q2 2026.
  • Vanguard Personalized Indexing Management bought 2,106 Arrowhead Research shares in Q2 2026, an estimated $156K.
  • Arrowhead Research made up 0.01% of Vanguard Personalized Indexing Management's portfolio in Q2 2026, its #910 holding.
  • Vanguard Personalized Indexing Management first reported a position in Arrowhead Research in Q2 2021 and has held it in 13 quarters since.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.