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Rhenman & Partners Asset Management’s Insmed INSM Stock Holding History

Rhenman & Partners Asset 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 		$26.1M Buy
159,760
+46,175
+41% +$7.1M 3.22% 4
2025
Q4 		$19.8M Sell
113,585
-18,300
-14% -$3.34M 1.85% 16
2025
Q3 		$19M Sell
131,885
-43,550
-25% -$5.34M 2.1% 16
2025
Q2 		$17.7M Sell
175,435
-10,065
-5% -$770K 2.23% 14
2025
Q1 		$14.2M Buy
185,500
+124,000
+202% +$9.49M 1.63% 25
2024
Q4 		$4.25M Sell
61,500
-68,013
-53% -$4.9M 0.44% 59
2024
Q3 		$9.45M Buy
129,513
+30,000
+30% +$2.21M 0.77% 46
2024
Q2 		$6.67M Buy
+99,513
New +$3.86M 0.64% 44

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

Rhenman & Partners Asset Management's INSM Position: Q1 2026 in Review

Rhenman & Partners Asset Management increased its Insmed (INSM) stake by 41% in Q1 2026, buying an estimated $7.1M and bringing the position to 159,760 shares worth $26.1M. The position accounts for 3.22% of the portfolio, ranked #4.

Rhenman & Partners Asset Management first reported a position in INSM in Q2 2024 and has held it in 8 quarters since. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Rhenman & Partners Asset Management held 159,760 shares of Insmed worth $26.1M as of Q1 2026.
  • Rhenman & Partners Asset Management bought 46,175 Insmed shares in Q1 2026, an estimated $7.1M.
  • Insmed made up 3.22% of Rhenman & Partners Asset Management's portfolio in Q1 2026, its #4 holding.
  • Rhenman & Partners Asset Management first reported a position in Insmed in Q2 2024 and has held it in 8 quarters since.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Rhenman & Partners Asset Management's 13F filing for Q1 2026, filed 14 May 2026.