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O'Shaughnessy Asset Management’s Arrowhead Research ARWR Stock Holding History

O'Shaughnessy Asset 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
Q1 		$669K Sell
10,663
-3,925
-27% -$248K ﹤0.01% 1385
2025
Q4 		$968K Buy
14,588
+5,097
+54% +$250K 0.01% 1165
2025
Q3 		$327K Buy
+9,491
New +$209K ﹤0.01% 1700
2024
Q4 		– Sell
-10,491
Closed -$203K – 2203
2024
Q3 		$203K Buy
10,491
+1,010
+11% +$24.6K ﹤0.01% 1681
2024
Q2 		$246K Sell
9,481
-271
-3% -$6.66K ﹤0.01% 1457
2024
Q1 		$279K Sell
9,752
-144
-1% -$4.61K ﹤0.01% 1350
2023
Q4 		$303K Buy
9,896
+338
+4% +$8.98K ﹤0.01% 1214
2023
Q3 		$257K Buy
+9,558
New +$293K ﹤0.01% 1185
2023
Q2 		– Sell
-10,014
Closed -$254K – 1501
2023
Q1 		$254K Sell
10,014
-1,653
-14% -$52K ﹤0.01% 1113
2022
Q4 		$473K Sell
11,667
-409
-3% -$13.6K 0.01% 811
2022
Q3 		$399K Buy
12,076
+2,372
+24% +$95.7K 0.01% 821
2022
Q2 		$342K Buy
9,704
+326
+3% +$12.3K 0.01% 817
2022
Q1 		$431K Buy
9,378
+2,134
+29% +$106K 0.01% 763
2021
Q4 		$480K Buy
7,244
+1,204
+20% +$82.7K 0.01% 704
2021
Q3 		$378K Sell
6,040
-532
-8% -$34.4K 0.01% 752
2021
Q2 		$544K Hold
6,572
– – 0.01% 627
2021
Q1 		$435K Sell
6,572
-103
-2% -$7.99K 0.01% 659
2020
Q4 		$512K Sell
6,675
-4,995
-43% -$319K 0.01% 503
2020
Q3 		$504K Sell
11,670
-1,175
-9% -$50.7K 0.02% 445
2020
Q2 		$555K Sell
12,845
-2,897
-18% -$102K 0.02% 381
2020
Q1 		$455K Buy
15,742
+1,383
+10% +$55.8K 0.02% 309
2019
Q4 		$909K Buy
+14,359
New +$713K 0.02% 290
2019
Q1 		– Sell
-242
Closed -$3K – 904
2018
Q4 		$3K Buy
+242
New +$3.31K ﹤0.01% 846

Other funds holding ARWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

O'Shaughnessy Asset Management's ARWR Position: Q1 2026 in Review

O'Shaughnessy Asset Management reduced its Arrowhead Research (ARWR) stake by 27% in Q1 2026, selling an estimated $248K and leaving 10,663 shares worth $669K. The position accounts for ﹤0.01% of the portfolio, ranked #1385.

O'Shaughnessy Asset Management first reported a position in ARWR in Q4 2018 and has held it in 23 quarters since. The position peaked at $968K in Q4 2025. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • O'Shaughnessy Asset Management held 10,663 shares of Arrowhead Research worth $669K as of Q1 2026.
  • O'Shaughnessy Asset Management sold 3,925 Arrowhead Research shares in Q1 2026, an estimated $248K.
  • Arrowhead Research made up ﹤0.01% of O'Shaughnessy Asset Management's portfolio in Q1 2026, its #1385 holding.
  • O'Shaughnessy Asset Management first reported a position in Arrowhead Research in Q4 2018 and has held it in 23 quarters since.
  • O'Shaughnessy Asset Management's Arrowhead Research position peaked at $968K in Q4 2025.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q1 2026, filed 13 May 2026.