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Monashee Investment Management’s Insmed INSM Stock Holding History

Monashee Investment 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
2026
Q1 		– Sell
-50,000
Closed -$8.7M – 54
2025
Q4 		$8.7M Buy
+50,000
New +$9.12M 4.9% 5
2025
Q3 		– Sell
-40,000
Closed -$4.03M – 70
2025
Q2 		$4.03M Buy
+40,000
New +$3.06M 1.46% 26
2021
Q3 		– Sell
-87,000
Closed -$2.48M – 315
2021
Q2 		$2.48M Buy
+87,000
New +$2.58M 0.3% 94
2017
Q3 		– Hold
0
– – – 5
2015
Q2 		– Sell
-60,000
Closed -$1.25M – 84
2015
Q1 		$1.25M Buy
+60,000
New +$1.06M 0.78% 39

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

Monashee Investment Management's INSM Position: Q1 2026 in Review

Monashee Investment Management sold out of Insmed (INSM) in Q1 2026, closing a stake of 50,000 shares — an estimated $8.7M sold.

Monashee Investment Management first reported a position in INSM in Q1 2015 and held it in 4 quarters. The position peaked at $8.7M in Q4 2025. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Monashee Investment Management reported no remaining Insmed position as of Q1 2026 after selling out during the quarter.
  • Monashee Investment Management sold 50,000 Insmed shares in Q1 2026, an estimated $8.7M.
  • Monashee Investment Management first reported a position in Insmed in Q1 2015 and held it in 4 quarters.
  • Monashee Investment Management's Insmed position peaked at $8.7M in Q4 2025.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Monashee Investment Management's 13F filing for Q1 2026, filed 13 May 2026.