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 | $11.7M | Sell |
187,000
-47,100
| -20% | -$2.98M | ﹤0.01% | 3029 |
|
|
2025
Q4 | $15.5M | Buy |
234,100
+108,200
| +86% | +$5.3M | ﹤0.01% | 2661 |
|
|
2025
Q3 | $4.34M | Buy |
125,900
+53,600
| +74% | +$1.18M | ﹤0.01% | 4613 |
|
|
2025
Q2 | $1.14M | Buy |
72,300
+32,500
| +82% | +$466K | ﹤0.01% | 6787 |
|
|
2025
Q1 | $507K | Sell |
39,800
-8,800
| -18% | -$160K | ﹤0.01% | 8439 |
|
|
2024
Q4 | $914K | Buy |
48,600
+11,300
| +30% | +$233K | ﹤0.01% | 7226 |
|
|
2024
Q3 | $723K | Sell |
37,300
-9,000
| -19% | -$220K | ﹤0.01% | 7485 |
|
|
2024
Q2 | $1.2M | Buy |
46,300
+25,600
| +124% | +$629K | ﹤0.01% | 6236 |
|
|
2024
Q1 | $592K | Sell |
20,700
-56,900
| -73% | -$1.82M | ﹤0.01% | 8001 |
|
|
2023
Q4 | $2.37M | Buy |
77,600
+12,000
| +18% | +$319K | ﹤0.01% | 5070 |
|
|
2023
Q3 | $1.76M | Buy |
65,600
+19,000
| +41% | +$582K | ﹤0.01% | 5457 |
|
|
2023
Q2 | $1.66M | Sell |
46,600
-16,200
| -26% | -$559K | ﹤0.01% | 5486 |
|
|
2023
Q1 | $1.6M | Sell |
62,800
-47,000
| -43% | -$1.48M | ﹤0.01% | 5796 |
|
|
2022
Q4 | $4.45M | Sell |
109,800
-39,400
| -26% | -$1.31M | ﹤0.01% | 4055 |
|
|
2022
Q3 | $4.93M | Buy |
149,200
+27,400
| +22% | +$1.11M | ﹤0.01% | 3900 |
|
|
2022
Q2 | $4.29M | Sell |
121,800
-50,700
| -29% | -$1.91M | ﹤0.01% | 4094 |
|
|
2022
Q1 | $7.93M | Sell |
172,500
-88,400
| -34% | -$4.38M | ﹤0.01% | 3334 |
|
|
2021
Q4 | $17.3M | Buy |
260,900
+41,800
| +19% | +$2.87M | ﹤0.01% | 2205 |
|
|
2021
Q3 | $13.7M | Buy |
219,100
+31,000
| +16% | +$2.01M | ﹤0.01% | 2571 |
|
|
2021
Q2 | $15.6M | Buy |
188,100
+30,600
| +19% | +$2.28M | ﹤0.01% | 2404 |
|
|
2021
Q1 | $10.4M | Sell |
157,500
-77,400
| -33% | -$6.01M | ﹤0.01% | 2897 |
|
|
2020
Q4 | $18M | Buy |
234,900
+36,000
| +18% | +$2.3M | ﹤0.01% | 1919 |
|
|
2020
Q3 | $8.56M | Sell |
198,900
-7,000
| -3% | -$302K | ﹤0.01% | 2470 |
|
|
2020
Q2 | $8.89M | Buy |
205,900
+33,900
| +20% | +$1.2M | ﹤0.01% | 2356 |
|
|
2020
Q1 | $4.95M | Sell |
172,000
-16,700
| -9% | -$674K | ﹤0.01% | 2720 |
|
|
2019
Q4 | $12M | Buy |
188,700
+67,000
| +55% | +$3.32M | 0.01% | 2018 |
|
|
2019
Q3 | $3.43M | Buy |
121,700
+41,100
| +51% | +$1.22M | ﹤0.01% | 3634 |
|
|
2019
Q2 | $2.14M | Buy |
80,600
+21,800
| +37% | +$478K | ﹤0.01% | 4409 |
|
|
2019
Q1 | $1.08M | Buy |
58,800
+2,700
| +5% | +$44.5K | ﹤0.01% | 5448 |
|
|
2018
Q4 | $697K | Sell |
56,100
-46,100
| -45% | -$630K | ﹤0.01% | 5882 |
|
|
2018
Q3 | $1.96M | Buy |
102,200
+49,000
| +92% | +$804K | ﹤0.01% | 4450 |
|
|
2018
Q2 | $724K | Buy |
53,200
+22,900
| +76% | +$214K | ﹤0.01% | 5765 |
|
|
2018
Q1 | $218K | Sell |
30,300
-14,500
| -32% | -$89.3K | ﹤0.01% | 7216 |
|
|
2017
Q4 | $165K | Buy |
44,800
+18,600
| +71% | +$69.1K | ﹤0.01% | 7226 |
|
|
2017
Q3 | $113K | Sell |
26,200
-2,300
| -8% | -$5.48K | ﹤0.01% | 6989 |
|
|
2017
Q2 | $46K | Buy |
28,500
+12,400
| +77% | +$20.1K | ﹤0.01% | 7111 |
|
|
2017
Q1 | $30K | Sell |
16,100
-20,300
| -56% | -$40.3K | ﹤0.01% | 7167 |
|
|
2016
Q4 | $56K | Buy |
36,400
+12,700
| +54% | +$54.1K | ﹤0.01% | 6837 |
|
|
2016
Q3 | $174K | Sell |
23,700
-7,600
| -24% | -$49.3K | ﹤0.01% | 6389 |
|
|
2016
Q2 | $167K | Sell |
31,300
-4,300
| -12% | -$24.5K | ﹤0.01% | 5953 |
|
|
2016
Q1 | $172K | Sell |
35,600
-62,100
| -64% | -$262K | ﹤0.01% | 5751 |
|
|
2015
Q4 | $601K | Buy |
97,700
+32,900
| +51% | +$187K | ﹤0.01% | 4215 |
|
|
2015
Q3 | $373K | Sell |
64,800
-9,700
| -13% | -$61K | ﹤0.01% | 5240 |
|
|
2015
Q2 | $533K | Sell |
74,500
-57,400
| -44% | -$394K | ﹤0.01% | 4859 |
|
|
2015
Q1 | $892K | Buy |
131,900
+85,700
| +185% | +$608K | ﹤0.01% | 4073 |
|
|
2014
Q4 | $341K | Sell |
46,200
-107,200
| -70% | -$729K | ﹤0.01% | 5245 |
|
|
2014
Q3 | $2.27M | Buy |
153,400
+97,600
| +175% | +$1.33M | ﹤0.01% | 2725 |
|
|
2014
Q2 | $798K | Buy |
55,800
+45,800
| +458% | +$601K | ﹤0.01% | 3787 |
|
|
2014
Q1 | $164K | Buy |
10,000
+1,700
| +20% | +$29.9K | ﹤0.01% | 5718 |
|
|
2013
Q4 | $90K | Buy |
+8,300
| New | +$66.4K | ﹤0.01% | 5688 |
|
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.