Natixis Advisors’s Arrowhead Research ARWR Stock Holding History

Natixis Advisors’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	$2.27M	Buy	27,872 +9,702	+53%	+$717K	﹤0.01%	1178
2026 Q1	$1.14M	Sell	18,170 -19,425	-52%	-$1.23M	﹤0.01%	1313
2025 Q4	$2.5M	Sell	37,595 -18,049	-32%	-$885K	﹤0.01%	987
2025 Q3	$1.92M	Buy	+55,644	New	+$1.22M	﹤0.01%	1119
2023 Q1	–	Sell	-23,967	Closed	-$972K	–	1463
2022 Q4	$972K	Buy	23,967 +2,614	+12%	+$86.6K	﹤0.01%	1147
2022 Q3	$706K	Buy	21,353 +1,589	+8%	+$64.1K	﹤0.01%	1188
2022 Q2	$696K	Buy	+19,764	New	+$744K	﹤0.01%	1197
2019 Q4	–	Sell	-10,161	Closed	-$286K	–	1120
2019 Q3	$286K	Buy	+10,161	New	+$301K	﹤0.01%	1078

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

Natixis Advisors's ARWR Position: Q2 2026 in Review

Natixis Advisors increased its Arrowhead Research (ARWR) stake by 53% in Q2 2026, buying an estimated $717K and bringing the position to 27,872 shares worth $2.27M. The position accounts for ﹤0.01% of the portfolio, ranked #1178.

Natixis Advisors first reported a position in ARWR in Q3 2019 and has held it in 8 quarters since. The position peaked at $2.5M in Q4 2025. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

Natixis Advisors held 27,872 shares of Arrowhead Research worth $2.27M as of Q2 2026.
Natixis Advisors bought 9,702 Arrowhead Research shares in Q2 2026, an estimated $717K.
Arrowhead Research made up ﹤0.01% of Natixis Advisors's portfolio in Q2 2026, its #1178 holding.
Natixis Advisors first reported a position in Arrowhead Research in Q3 2019 and has held it in 8 quarters since.
Natixis Advisors's Arrowhead Research position peaked at $2.5M in Q4 2025.
500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Natixis Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.