Group One Trading
ARWR icon

Group One Trading’s Arrowhead Research ARWR Stock Holding History

Group One Trading’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 		$4.08M Sell
65,100
-6,300
-9% -$399K 0.01% 1457
2025
Q4 		$4.74M Buy
71,400
+31,200
+78% +$1.53M 0.01% 1547
2025
Q3 		$1.39M Sell
40,200
-1,700
-4% -$37.4K ﹤0.01% 2683
2025
Q2 		$662K Buy
41,900
+12,600
+43% +$181K ﹤0.01% 3145
2025
Q1 		$373K Buy
29,300
+1,700
+6% +$30.9K ﹤0.01% 3390
2024
Q4 		$519K Buy
27,600
+27,100
+5,420% +$558K ﹤0.01% 3144
2024
Q3 		$9.69K Sell
500
-2,900
-85% -$70.8K ﹤0.01% 5616
2024
Q2 		$88.4K Sell
3,400
-29,000
-90% -$713K ﹤0.01% 4062
2024
Q1 		$927K Sell
32,400
-11,600
-26% -$371K ﹤0.01% 2162
2023
Q4 		$1.35M Sell
44,000
-8,400
-16% -$223K ﹤0.01% 2186
2023
Q3 		$1.41M Sell
52,400
-8,600
-14% -$263K ﹤0.01% 1941
2023
Q2 		$2.18M Buy
61,000
+19,900
+48% +$686K 0.01% 1632
2023
Q1 		$1.04M Sell
41,100
-48,500
-54% -$1.53M ﹤0.01% 2101
2022
Q4 		$3.63M Buy
89,600
+10,200
+13% +$338K 0.01% 1365
2022
Q3 		$2.62M Buy
79,400
+16,300
+26% +$658K 0.01% 1673
2022
Q2 		$2.22M Sell
63,100
-44,500
-41% -$1.67M ﹤0.01% 1964
2022
Q1 		$4.95M Sell
107,600
-29,800
-22% -$1.48M ﹤0.01% 1558
2021
Q4 		$9.11M Buy
137,400
+3,000
+2% +$206K 0.01% 1183
2021
Q3 		$8.39M Buy
134,400
+9,200
+7% +$596K 0.01% 1210
2021
Q2 		$10.4M Buy
125,200
+33,600
+37% +$2.5M 0.01% 1051
2021
Q1 		$6.07M Sell
91,600
-199,900
-69% -$15.5M 0.01% 1345
2020
Q4 		$22.4M Buy
291,500
+211,600
+265% +$13.5M 0.04% 402
2020
Q3 		$3.44M Sell
79,900
-88,400
-53% -$3.81M 0.01% 1170
2020
Q2 		$7.27M Buy
168,300
+43,900
+35% +$1.55M 0.03% 587
2020
Q1 		$3.58M Buy
124,400
+4,500
+4% +$181K 0.03% 705
2019
Q4 		$7.61M Buy
119,900
+56,900
+90% +$2.82M 0.05% 470
2019
Q3 		$1.77M Sell
63,000
-34,500
-35% -$1.02M 0.01% 1305
2019
Q2 		$2.58M Buy
97,500
+84,300
+639% +$1.85M 0.02% 902
2019
Q1 		$242K Sell
13,200
-38,900
-75% -$642K ﹤0.01% 2568
2018
Q4 		$647K Sell
52,100
-144,400
-73% -$1.97M 0.01% 1829
2018
Q3 		$3.77M Buy
196,500
+12,300
+7% +$202K 0.03% 740
2018
Q2 		$2.5M Buy
184,200
+112,800
+158% +$1.05M 0.02% 974
2018
Q1 		$515K Sell
71,400
-144,200
-67% -$888K 0.01% 2040
2017
Q4 		$793K Sell
215,600
-12,800
-6% -$47.5K 0.01% 1894
2017
Q3 		$989K Buy
+228,400
New +$544K 0.01% 1577
2017
Q2 		– Sell
-109,000
Closed -$202K – 4723
2017
Q1 		$202K Buy
109,000
+15,500
+17% +$30.7K ﹤0.01% 2514
2016
Q4 		$145K Sell
93,500
-18,400
-16% -$78.4K ﹤0.01% 2616
2016
Q3 		$822K Buy
111,900
+55,300
+98% +$358K 0.01% 1421
2016
Q2 		$301K Buy
+56,600
New +$323K ﹤0.01% 2119

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

Group One Trading's ARWR Position: Q4 2025 in Review

Group One Trading sold out of Arrowhead Research (ARWR) in Q4 2025, closing a stake of 2,651 shares — an estimated $130K sold.

Group One Trading first reported a position in ARWR in Q3 2013 and held it in 40 quarters. The position peaked at $5.38M in Q2 2021. 401 funds tracked by Wall St. Rank hold ARWR as of Q4 2025.

  • Group One Trading reported no remaining Arrowhead Research position as of Q4 2025 after selling out during the quarter.
  • Group One Trading sold 2,651 Arrowhead Research shares in Q4 2025, an estimated $130K.
  • Group One Trading first reported a position in Arrowhead Research in Q3 2013 and held it in 40 quarters.
  • Group One Trading's Arrowhead Research position peaked at $5.38M in Q2 2021.
  • 401 funds tracked by Wall St. Rank held Arrowhead Research as of Q4 2025.

Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.