RhumbLine Advisers’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
Q2 | $30.6M | Sell |
374,897
-29,539
| -7% | -$2.18M | 0.02% | 564 |
|
|
2026
Q1 | $25.4M | Buy |
404,436
+52,041
| +15% | +$3.29M | 0.02% | 605 |
|
|
2025
Q4 | $23.4M | Sell |
352,395
-18,717
| -5% | -$917K | 0.02% | 643 |
|
|
2025
Q3 | $12.8M | Buy |
371,112
+11,115
| +3% | +$244K | 0.01% | 968 |
|
|
2025
Q2 | $5.69M | Buy |
359,997
+14,018
| +4% | +$201K | ﹤0.01% | 1339 |
|
|
2025
Q1 | $4.41M | Sell |
345,979
-34,365
| -9% | -$625K | ﹤0.01% | 1422 |
|
|
2024
Q4 | $7.15M | Buy |
380,344
+7,912
| +2% | +$163K | 0.01% | 1229 |
|
|
2024
Q3 | $7.21M | Sell |
372,432
-10,597
| -3% | -$259K | 0.01% | 1229 |
|
|
2024
Q2 | $9.95M | Buy |
383,029
+10,924
| +3% | +$268K | 0.01% | 1021 |
|
|
2024
Q1 | $10.6M | Buy |
372,105
+49,736
| +15% | +$1.59M | 0.01% | 1013 |
|
|
2023
Q4 | $9.86M | Sell |
322,369
-18,498
| -5% | -$491K | 0.01% | 1065 |
|
|
2023
Q3 | $9.16M | Sell |
340,867
-2,757
| -0.8% | -$84.5K | 0.01% | 1027 |
|
|
2023
Q2 | $12.3M | Sell |
343,624
-1,861
| -0.5% | -$64.2K | 0.01% | 911 |
|
|
2023
Q1 | $8.78M | Sell |
345,485
-746
| -0.2% | -$23.5K | 0.01% | 1020 |
|
|
2022
Q4 | $14M | Buy |
346,231
+18,136
| +6% | +$601K | 0.02% | 767 |
|
|
2022
Q3 | $10.8M | Buy |
328,095
+11,984
| +4% | +$484K | 0.02% | 851 |
|
|
2022
Q2 | $11.1M | Buy |
316,111
+26,609
| +9% | +$1M | 0.02% | 844 |
|
|
2022
Q1 | $13.3M | Buy |
289,502
+6,754
| +2% | +$334K | 0.02% | 810 |
|
|
2021
Q4 | $18.7M | Sell |
282,748
-132
| -0% | -$9.07K | 0.02% | 663 |
|
|
2021
Q3 | $17.7M | Buy |
282,880
+954
| +0.3% | +$61.8K | 0.02% | 647 |
|
|
2021
Q2 | $23.3M | Sell |
281,926
-7,051
| -2% | -$525K | 0.03% | 532 |
|
|
2021
Q1 | $19.2M | Sell |
288,977
-8,663
| -3% | -$672K | 0.03% | 603 |
|
|
2020
Q4 | $22.8M | Sell |
297,640
-2,147
| -0.7% | -$137K | 0.03% | 491 |
|
|
2020
Q3 | $12.9M | Sell |
299,787
-33,478
| -10% | -$1.44M | 0.02% | 650 |
|
|
2020
Q2 | $14.4M | Buy |
333,265
+21,934
| +7% | +$774K | 0.02% | 594 |
|
|
2020
Q1 | $8.96M | Buy |
311,331
+5,957
| +2% | +$240K | 0.02% | 707 |
|
|
2019
Q4 | $19.4M | Buy |
305,374
+19,012
| +7% | +$943K | 0.03% | 498 |
|
|
2019
Q3 | $8.07M | Buy |
286,362
+3,316
| +1% | +$98.1K | 0.01% | 903 |
|
|
2019
Q2 | $7.5M | Buy |
283,046
+158,770
| +128% | +$3.48M | 0.01% | 949 |
|
|
2019
Q1 | $2.28M | Buy |
124,276
+8,313
| +7% | +$137K | ﹤0.01% | 1636 |
|
|
2018
Q4 | $1.44M | Buy |
115,963
+37,148
| +47% | +$508K | ﹤0.01% | 1832 |
|
|
2018
Q3 | $1.51M | Sell |
78,815
-5,167
| -6% | -$84.8K | ﹤0.01% | 1809 |
|
|
2018
Q2 | $1.14M | Buy |
+83,982
| New | +$785K | ﹤0.01% | 1951 |
|
|
2017
Q2 | – | Sell |
-73,128
| Closed | -$135K | – | 2926 |
|
|
2017
Q1 | $135K | Buy |
73,128
+18,730
| +34% | +$37.1K | ﹤0.01% | 2738 |
|
|
2016
Q4 | $84K | Sell |
54,398
-8,315
| -13% | -$35.4K | ﹤0.01% | 2805 |
|
|
2016
Q3 | $461K | Sell |
62,713
-6,678
| -10% | -$43.3K | ﹤0.01% | 2254 |
|
|
2016
Q2 | $369K | Sell |
69,391
-2,054
| -3% | -$11.7K | ﹤0.01% | 2395 |
|
|
2016
Q1 | $344K | Buy |
71,445
+4,095
| +6% | +$17.3K | ﹤0.01% | 2454 |
|
|
2015
Q4 | $414K | Buy |
67,350
+3,735
| +6% | +$21.2K | ﹤0.01% | 2367 |
|
|
2015
Q3 | $366K | Buy |
63,615
+3,035
| +5% | +$19.1K | ﹤0.01% | 2426 |
|
|
2015
Q2 | $433K | Buy |
60,580
+7,360
| +14% | +$50.6K | ﹤0.01% | 2428 |
|
|
2015
Q1 | $360K | Buy |
53,220
+11,650
| +28% | +$82.7K | ﹤0.01% | 2507 |
|
|
2014
Q4 | $307K | Sell |
41,570
-550
| -1% | -$3.74K | ﹤0.01% | 2565 |
|
|
2014
Q3 | $622K | Buy |
42,120
+130
| +0.3% | +$1.78K | ﹤0.01% | 2075 |
|
|
2014
Q2 | $601K | Buy |
+41,990
| New | +$551K | ﹤0.01% | 2152 |
|
Other funds holding ARWR
ACA
FAM
RhumbLine Advisers's ARWR Position: Q2 2026 in Review
RhumbLine Advisers reduced its Arrowhead Research (ARWR) stake by 7.3% in Q2 2026, selling an estimated $2.18M and leaving 374,897 shares worth $30.6M. The position accounts for 0.02% of the portfolio, ranked #564.
RhumbLine Advisers first reported a position in ARWR in Q2 2014 and has held it in 45 quarters since. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.
- RhumbLine Advisers held 374,897 shares of Arrowhead Research worth $30.6M as of Q2 2026.
- RhumbLine Advisers sold 29,539 Arrowhead Research shares in Q2 2026, an estimated $2.18M.
- Arrowhead Research made up 0.02% of RhumbLine Advisers's portfolio in Q2 2026, its #564 holding.
- RhumbLine Advisers first reported a position in Arrowhead Research in Q2 2014 and has held it in 45 quarters since.
- 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.
Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.