Citadel Advisors’s Arrowhead Research ARWR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $6.16M | Sell |
98,194
-376,065
| -79% | -$23.8M | ﹤0.01% | 4007 |
|
|
2025
Q4 | $31.5M | Buy |
474,259
+156,645
| +49% | +$7.68M | ﹤0.01% | 1851 |
|
|
2025
Q3 | $11M | Buy |
317,614
+255,369
| +410% | +$5.61M | ﹤0.01% | 3142 |
|
|
2025
Q2 | $983K | Sell |
62,245
-924,706
| -94% | -$13.3M | ﹤0.01% | 7128 |
|
|
2025
Q1 | $12.6M | Buy |
986,951
+618,953
| +168% | +$11.3M | ﹤0.01% | 2567 |
|
|
2024
Q4 | $6.92M | Sell |
367,998
-809,579
| -69% | -$16.7M | ﹤0.01% | 3465 |
|
|
2024
Q3 | $22.8M | Buy |
1,177,577
+229,133
| +24% | +$5.59M | ﹤0.01% | 1907 |
|
|
2024
Q2 | $24.7M | Buy |
948,444
+206,547
| +28% | +$5.08M | 0.01% | 1788 |
|
|
2024
Q1 | $21.2M | Buy |
741,897
+683,260
| +1,165% | +$21.9M | ﹤0.01% | 2003 |
|
|
2023
Q4 | $1.79M | Sell |
58,637
-80,634
| -58% | -$2.14M | ﹤0.01% | 5555 |
|
|
2023
Q3 | $3.74M | Sell |
139,271
-454,761
| -77% | -$13.9M | ﹤0.01% | 4115 |
|
|
2023
Q2 | $21.2M | Sell |
594,032
-254,273
| -30% | -$8.77M | ﹤0.01% | 1826 |
|
|
2023
Q1 | $21.5M | Buy |
848,305
+204,332
| +32% | +$6.43M | ﹤0.01% | 1840 |
|
|
2022
Q4 | $26.1M | Buy |
643,973
+90,425
| +16% | +$3M | 0.01% | 1683 |
|
|
2022
Q3 | $18.3M | Buy |
553,548
+179,851
| +48% | +$7.26M | ﹤0.01% | 1974 |
|
|
2022
Q2 | $13.2M | Buy |
373,697
+173,773
| +87% | +$6.54M | ﹤0.01% | 2334 |
|
|
2022
Q1 | $9.19M | Buy |
199,924
+136,629
| +216% | +$6.76M | ﹤0.01% | 3080 |
|
|
2021
Q4 | $4.2M | Sell |
63,295
-29,868
| -32% | -$2.05M | ﹤0.01% | 4647 |
|
|
2021
Q3 | $5.82M | Sell |
93,163
-121,825
| -57% | -$7.89M | ﹤0.01% | 4021 |
|
|
2021
Q2 | $17.8M | Sell |
214,988
-192,675
| -47% | -$14.3M | ﹤0.01% | 2223 |
|
|
2021
Q1 | $27M | Buy |
407,663
+106,791
| +35% | +$8.29M | 0.01% | 1617 |
|
|
2020
Q4 | $23.1M | Buy |
300,872
+34,890
| +13% | +$2.23M | 0.01% | 1651 |
|
|
2020
Q3 | $11.5M | Buy |
265,982
+145,752
| +121% | +$6.29M | ﹤0.01% | 2130 |
|
|
2020
Q2 | $5.19M | Sell |
120,230
-26,972
| -18% | -$952K | ﹤0.01% | 3031 |
|
|
2020
Q1 | $4.24M | Sell |
147,202
-805
| -0.5% | -$32.5K | ﹤0.01% | 2945 |
|
|
2019
Q4 | $9.39M | Buy |
148,007
+86,113
| +139% | +$4.27M | ﹤0.01% | 2276 |
|
|
2019
Q3 | $1.74M | Buy |
61,894
+46,256
| +296% | +$1.37M | ﹤0.01% | 4703 |
|
|
2019
Q2 | $414K | Sell |
15,638
-59,095
| -79% | -$1.3M | ﹤0.01% | 7092 |
|
|
2019
Q1 | $1.37M | Sell |
74,733
-20,080
| -21% | -$331K | ﹤0.01% | 5054 |
|
|
2018
Q4 | $1.18M | Sell |
94,813
-7,499
| -7% | -$103K | ﹤0.01% | 5053 |
|
|
2018
Q3 | $1.96M | Sell |
102,312
-498,682
| -83% | -$8.18M | ﹤0.01% | 4447 |
|
|
2018
Q2 | $8.17M | Buy |
600,994
+575,955
| +2,300% | +$5.38M | ﹤0.01% | 2156 |
|
|
2018
Q1 | $181K | Sell |
25,039
-17,870
| -42% | -$110K | ﹤0.01% | 7421 |
|
|
2017
Q4 | $158K | Buy |
42,909
+14,557
| +51% | +$54.1K | ﹤0.01% | 7243 |
|
|
2017
Q3 | $123K | Buy |
+28,352
| New | +$67.5K | ﹤0.01% | 6959 |
|
|
2016
Q3 | – | Sell |
-14,739
| Closed | -$95.5K | – | 7207 |
|
|
2016
Q2 | $78K | Sell |
14,739
-1,577
| -10% | -$9K | ﹤0.01% | 6289 |
|
|
2016
Q1 | $79K | Buy |
+16,316
| New | +$68.8K | ﹤0.01% | 6112 |
|
|
2015
Q4 | – | Sell |
-56,561
| Closed | -$321K | – | 8701 |
|
|
2015
Q3 | $326K | Buy |
56,561
+14,866
| +36% | +$93.5K | ﹤0.01% | 5442 |
|
|
2015
Q2 | $298K | Buy |
+41,695
| New | +$287K | ﹤0.01% | 5745 |
|
|
2015
Q1 | – | Sell |
-51,840
| Closed | -$368K | – | 8496 |
|
|
2014
Q4 | $383K | Sell |
51,840
-1,013,044
| -95% | -$6.89M | ﹤0.01% | 5089 |
|
|
2014
Q3 | $15.7M | Buy |
1,064,884
+182,259
| +21% | +$2.49M | 0.02% | 1052 |
|
|
2014
Q2 | $12.6M | Buy |
882,625
+853,798
| +2,962% | +$11.2M | 0.01% | 1090 |
|
|
2014
Q1 | $473K | Buy |
28,827
+24,328
| +541% | +$427K | ﹤0.01% | 4412 |
|
|
2013
Q4 | $49K | Buy |
+4,499
| New | +$36K | ﹤0.01% | 6047 |
|
Other funds holding ARWR
ACA
VPM
VCM
FAM
VPC
Citadel Advisors's ARWR Position: Q1 2026 in Review
Citadel Advisors reduced its Arrowhead Research (ARWR) stake by 79% in Q1 2026, selling an estimated $23.8M and leaving 98,194 shares worth $6.16M. The position accounts for ﹤0.01% of the portfolio, ranked #4007.
Citadel Advisors first reported a position in ARWR in Q4 2013 and has held it in 44 quarters since. The position peaked at $31.5M in Q4 2025. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.
- Citadel Advisors held 98,194 shares of Arrowhead Research worth $6.16M as of Q1 2026.
- Citadel Advisors sold 376,065 Arrowhead Research shares in Q1 2026, an estimated $23.8M.
- Arrowhead Research made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4007 holding.
- Citadel Advisors first reported a position in Arrowhead Research in Q4 2013 and has held it in 44 quarters since.
- Citadel Advisors's Arrowhead Research position peaked at $31.5M in Q4 2025.
- 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.