Millennium Management
ARWR icon

Millennium Management’s Arrowhead Research ARWR Stock Holding History

Millennium 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
2021
Q3 		– Sell
-10,000
Closed -$828K – 6756
2021
Q2 		$828K Buy
+10,000
New +$745K ﹤0.01% 4844
2021
Q1 		– Sell
-30,000
Closed -$2.3M – 5886
2020
Q4 		$2.3M Buy
+30,000
New +$1.92M ﹤0.01% 3129
2020
Q3 		– Sell
-50,000
Closed -$2.16M – 4420
2020
Q2 		$2.16M Buy
+50,000
New +$1.76M ﹤0.01% 2468
2019
Q3 		– Sell
-75,000
Closed -$1.99M – 4137
2019
Q2 		$1.99M Buy
+75,000
New +$1.65M ﹤0.01% 2410
2014
Q3 		– Sell
-567,200
Closed -$8.12M – 3672
2014
Q2 		$8.12M Buy
567,200
+417,200
+278% +$5.47M 0.02% 933
2014
Q1 		$2.46M Buy
+150,000
New +$2.63M 0.01% 1631

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

Millennium Management's ARWR Position: Q1 2026 in Review

Millennium Management sold out of Arrowhead Research (ARWR) in Q1 2026, closing a stake of 45,018 shares — an estimated $2.99M sold.

Millennium Management first reported a position in ARWR in Q3 2013 and held it in 44 quarters. The position peaked at $36.5M in Q1 2014. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • Millennium Management reported no remaining Arrowhead Research position as of Q1 2026 after selling out during the quarter.
  • Millennium Management sold 45,018 Arrowhead Research shares in Q1 2026, an estimated $2.99M.
  • Millennium Management first reported a position in Arrowhead Research in Q3 2013 and held it in 44 quarters.
  • Millennium Management's Arrowhead Research position peaked at $36.5M in Q1 2014.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.