Two Sigma Investments
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Two Sigma Investments’s Arrowhead Research ARWR Stock Holding History

Two Sigma Investments’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 		$257K Buy
+4,100
New +$260K ﹤0.01% 4161

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

Two Sigma Investments's ARWR Position: Q1 2026 in Review

Two Sigma Investments opened a new position in Arrowhead Research (ARWR) in Q1 2026: 35,800 shares worth $2.24M. The stake represents ﹤0.01% of the portfolio and ranks #2673 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in ARWR as recently as Q2 2025.

Two Sigma Investments first reported a position in ARWR in Q4 2013 and has held it in 24 quarters since. The position peaked at $16.5M in Q1 2020. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • Two Sigma Investments held 35,800 shares of Arrowhead Research worth $2.24M as of Q1 2026.
  • Arrowhead Research was a new Two Sigma Investments position in Q1 2026.
  • Arrowhead Research made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #2673 holding.
  • Two Sigma Investments first reported a position in Arrowhead Research in Q4 2013 and has held it in 24 quarters since.
  • Two Sigma Investments's Arrowhead Research position peaked at $16.5M in Q1 2020.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.