BFM
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Boothbay Fund Management’s Insmed INSM Stock Holding History

Boothbay Fund Management’s Portfolio INSM Stock Details INSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-36,400
Closed -$5.24M – 2139
2025
Q3 		$5.24M Buy
36,400
+16,400
+82% +$2.01M 0.08% 307
2025
Q2 		$2.01M Buy
+20,000
New +$1.53M 0.04% 502
2024
Q3 		– Sell
-101,900
Closed -$6.83M – 1766
2024
Q2 		$6.83M Buy
101,900
+52,000
+104% +$2.02M 0.16% 140
2024
Q1 		$1.35M Buy
+49,900
New +$1.4M 0.03% 650
2019
Q1 		– Sell
-280
Closed -$367K – 810
2018
Q4 		$367K Sell
280
-531
-65% -$8.47K 0.05% 345
2018
Q3 		$1.64M Buy
811
+119
+17% +$2.69K 0.16% 122
2018
Q2 		$1.64M Buy
692
+109
+19% +$2.81K 0.14% 117
2018
Q1 		$1.31M Buy
+583
New +$15.3K 0.16% 137

Other funds holding INSM

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Boothbay Fund Management's INSM Position: Q1 2026 in Review

Boothbay Fund Management sold out of Insmed (INSM) in Q1 2026, closing a stake of 2,733 shares — an estimated $476K sold.

Boothbay Fund Management first reported a position in INSM in Q3 2017 and held it in 17 quarters. The position peaked at $5.31M in Q2 2025. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Boothbay Fund Management reported no remaining Insmed position as of Q1 2026 after selling out during the quarter.
  • Boothbay Fund Management sold 2,733 Insmed shares in Q1 2026, an estimated $476K.
  • Boothbay Fund Management first reported a position in Insmed in Q3 2017 and held it in 17 quarters.
  • Boothbay Fund Management's Insmed position peaked at $5.31M in Q2 2025.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

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