Laurion Capital Management’s Arrowhead Research ARWR Stock Holding History

Laurion Capital Management’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	$320K	Buy	+3,929	New	+$290K	0.01%	357
2023 Q2	–	Sell	-83,900	Closed	-$2.13M	–	602
2023 Q1	$2.13M	Hold	83,900	–	–	0.01%	271
2022 Q4	$3.4M	Sell	83,900 -195	-0.2%	-$6.46K	0.02%	284
2022 Q3	$2.78M	Sell	84,095 -1,033	-1%	-$41.7K	0.02%	301
2022 Q2	$3M	Buy	+85,128	New	+$3.2M	0.05%	200
2020 Q1	–	Sell	-27,998	Closed	-$1.78M	–	746
2019 Q4	$1.78M	Buy	+27,998	New	+$1.39M	0.01%	479
2018 Q2	–	Sell	-100,281	Closed	-$723K	–	1314
2018 Q1	$723K	Buy	+100,281	New	+$618K	0.01%	918

Other funds holding ARWR

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 Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

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

Laurion Capital Management's ARWR Position: Q2 2026 in Review

Laurion Capital Management opened a new position in Arrowhead Research (ARWR) in Q2 2026: 3,929 shares worth $320K. The stake represents 0.01% of the portfolio and ranks #357 among its holdings. This is a return to the name: Laurion Capital Management previously reported a position in ARWR as recently as Q1 2023.

Laurion Capital Management first reported a position in ARWR in Q1 2018 and has held it in 7 quarters since. The position peaked at $3.4M in Q4 2022. 502 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

Laurion Capital Management held 3,929 shares of Arrowhead Research worth $320K as of Q2 2026.
Arrowhead Research was a new Laurion Capital Management position in Q2 2026.
Arrowhead Research made up 0.01% of Laurion Capital Management's portfolio in Q2 2026, its #357 holding.
Laurion Capital Management first reported a position in Arrowhead Research in Q1 2018 and has held it in 7 quarters since.
Laurion Capital Management's Arrowhead Research position peaked at $3.4M in Q4 2022.
502 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Laurion Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.