UBS AM
ARWR icon

UBS AM’s Arrowhead Research ARWR Stock Holding History

UBS AM’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 		$78.6M Sell
964,479
-366,517
-28% -$27.1M 0.01% 562
2026
Q1 		$83.5M Buy
1,330,996
+70,616
+6% +$4.47M 0.02% 541
2025
Q4 		$83.7M Sell
1,260,380
-499,109
-28% -$24.5M 0.02% 524
2025
Q3 		$60.7M Sell
1,759,489
-924,828
-34% -$20.3M 0.01% 569
2025
Q2 		$42.4M Sell
2,684,317
-2,100,745
-44% -$30.1M 0.01% 746
2025
Q1 		$61M Buy
4,785,062
+2,774,933
+138% +$50.5M 0.02% 643
2024
Q4 		$37.8M Sell
2,010,129
-144,121
-7% -$2.97M 0.01% 735
2024
Q3 		$41.7M Sell
2,154,250
-135,904
-6% -$3.32M 0.01% 712
2024
Q2 		$59.5M Buy
2,290,154
+1,356,254
+145% +$33.3M 0.02% 572
2024
Q1 		$26.7M Sell
933,900
-17,394
-2% -$556K 0.01% 717
2023
Q4 		$29.1M Buy
951,294
+210,412
+28% +$5.59M 0.01% 701
2023
Q3 		$19.9M Buy
740,882
+203,917
+38% +$6.25M 0.01% 763
2023
Q2 		$13.6M Hold
536,965
– – 0.01% 860
2023
Q1 		$13.6M Buy
536,965
+39,044
+8% +$1.23M 0.01% 860
2022
Q4 		$20.2M Buy
497,921
+411,561
+477% +$13.6M 0.01% 756
2022
Q3 		$2.85M Sell
86,360
-23,365
-21% -$943K ﹤0.01% 1414
2022
Q2 		$3.86M Sell
109,725
-4,161
-4% -$157K ﹤0.01% 1311
2022
Q1 		$5.24M Buy
113,886
+16,777
+17% +$831K ﹤0.01% 1334
2021
Q4 		$6.44M Sell
97,109
-1,383
-1% -$95K ﹤0.01% 1300
2021
Q3 		$6.15M Buy
98,492
+10,831
+12% +$701K ﹤0.01% 1270
2021
Q2 		$7.26M Sell
87,661
-3,800
-4% -$283K ﹤0.01% 1226
2021
Q1 		$6.06M Sell
91,461
-26,135
-22% -$2.03M ﹤0.01% 1265
2020
Q4 		$9.02M Buy
117,596
+11,477
+11% +$734K ﹤0.01% 1094
2020
Q3 		$4.57M Buy
106,119
+945
+0.9% +$40.8K ﹤0.01% 1188
2020
Q2 		$4.54M Buy
105,174
+16,277
+18% +$574K ﹤0.01% 1154
2020
Q1 		$2.56M Sell
88,897
-1,197
-1% -$48.3K ﹤0.01% 1318
2019
Q4 		$5.71M Sell
90,094
-1,037
-1% -$51.5K ﹤0.01% 1140
2019
Q3 		$2.57M Buy
91,131
+13,814
+18% +$409K ﹤0.01% 1490
2019
Q2 		$2.05M Buy
77,317
+36,142
+88% +$793K ﹤0.01% 1578
2019
Q1 		$756K Sell
41,175
-14,089
-25% -$232K ﹤0.01% 1931
2018
Q4 		$686K Sell
55,264
-12,002
-18% -$164K ﹤0.01% 1873
2018
Q3 		$1.29M Buy
67,266
+18,184
+37% +$298K ﹤0.01% 1706
2018
Q2 		$668K Buy
+49,082
New +$459K ﹤0.01% 1977
2017
Q2 		– Sell
-66,400
Closed -$123K – 2532
2017
Q1 		$123K Buy
66,400
+53,500
+415% +$106K ﹤0.01% 2275
2016
Q4 		$20K Sell
12,900
-10,900
-46% -$46.4K ﹤0.01% 2352
2016
Q3 		$175K Hold
23,800
– – ﹤0.01% 2496
2016
Q2 		$127K Hold
23,800
– – ﹤0.01% 2556
2016
Q1 		$115K Sell
23,800
-15,600
-40% -$65.8K ﹤0.01% 2549
2015
Q4 		$242K Buy
39,400
+3,500
+10% +$19.8K ﹤0.01% 2445
2015
Q3 		$207K Buy
35,900
+14,700
+69% +$92.4K ﹤0.01% 2479
2015
Q2 		$152K Hold
21,200
– – ﹤0.01% 2637
2015
Q1 		$143K Buy
21,200
+1,400
+7% +$9.94K ﹤0.01% 2545
2014
Q4 		$146K Buy
19,800
+5,200
+36% +$35.4K ﹤0.01% 2530
2014
Q3 		$216K Buy
14,600
+900
+7% +$12.3K ﹤0.01% 2328
2014
Q2 		$196K Buy
+13,700
New +$180K ﹤0.01% 2418

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

UBS AM's ARWR Position: Q2 2026 in Review

UBS AM reduced its Arrowhead Research (ARWR) stake by 28% in Q2 2026, selling an estimated $27.1M and leaving 964,479 shares worth $78.6M. The position accounts for 0.01% of the portfolio, ranked #562.

UBS AM first reported a position in ARWR in Q2 2014 and has held it in 45 quarters since. The position peaked at $83.7M in Q4 2025. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • UBS AM held 964,479 shares of Arrowhead Research worth $78.6M as of Q2 2026.
  • UBS AM sold 366,517 Arrowhead Research shares in Q2 2026, an estimated $27.1M.
  • Arrowhead Research made up 0.01% of UBS AM's portfolio in Q2 2026, its #562 holding.
  • UBS AM first reported a position in Arrowhead Research in Q2 2014 and has held it in 45 quarters since.
  • UBS AM's Arrowhead Research position peaked at $83.7M in Q4 2025.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on UBS AM's 13F filing for Q2 2026, filed 13 Aug 2026.