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Entropy Technologies’s Arrowhead Research ARWR Stock Holding History

Entropy Technologies’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 		$666K Sell
10,620
-16,519
-61% -$1.05M 0.03% 530
2025
Q4 		$1.8M Buy
27,139
+16,666
+159% +$817K 0.1% 267
2025
Q3 		$361K Buy
+10,473
New +$230K 0.03% 610

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

Entropy Technologies's ARWR Position: Q1 2026 in Review

Entropy Technologies reduced its Arrowhead Research (ARWR) stake by 61% in Q1 2026, selling an estimated $1.05M and leaving 10,620 shares worth $666K. The position accounts for 0.03% of the portfolio, ranked #530.

Entropy Technologies first reported a position in ARWR in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.8M in Q4 2025. 436 funds tracked by Wall St. Rank hold ARWR as of Q1 2026.

  • Entropy Technologies held 10,620 shares of Arrowhead Research worth $666K as of Q1 2026.
  • Entropy Technologies sold 16,519 Arrowhead Research shares in Q1 2026, an estimated $1.05M.
  • Arrowhead Research made up 0.03% of Entropy Technologies's portfolio in Q1 2026, its #530 holding.
  • Entropy Technologies first reported a position in Arrowhead Research in Q3 2025 and has held it in 3 quarters since.
  • Entropy Technologies's Arrowhead Research position peaked at $1.8M in Q4 2025.
  • 436 funds tracked by Wall St. Rank held Arrowhead Research as of Q1 2026.

Based on Entropy Technologies's 13F filing for Q1 2026, filed 14 May 2026.