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Driehaus Capital Management’s Insmed INSM Stock Holding History

Driehaus Capital 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
Q2 		– Sell
-105,414
Closed -$17.2M – 397
2026
Q1 		$17.2M Sell
105,414
-203
-0.2% -$31.2K 0.13% 221
2025
Q4 		$18.4M Buy
105,617
+6,316
+6% +$1.15M 0.12% 214
2025
Q3 		$14.3M Sell
99,301
-8,780
-8% -$1.08M 0.1% 234
2025
Q2 		$10.9M Sell
108,081
-223,378
-67% -$17.1M 0.09% 243
2025
Q1 		$25.3M Buy
331,459
+160,170
+94% +$12.3M 0.24% 126
2024
Q4 		$11.8M Buy
171,289
+3,859
+2% +$278K 0.1% 231
2024
Q3 		$12.2M Buy
167,430
+63,389
+61% +$4.68M 0.1% 212
2024
Q2 		$6.97M Buy
+104,041
New +$4.04M 0.07% 239
2019
Q3 		– Sell
-60,551
Closed -$1.55M – 525
2019
Q2 		$1.55M Buy
+60,551
New +$1.69M 0.05% 248
2018
Q1 		– Sell
-33,108
Closed -$1.03M – 531
2017
Q4 		$1.03M Sell
33,108
-1,855
-5% -$54.8K 0.04% 336
2017
Q3 		$1.09M Buy
34,963
+20,490
+142% +$390K 0.04% 310
2017
Q2 		$248K Buy
14,473
+3,517
+32% +$60.1K 0.01% 486
2017
Q1 		$192K Buy
+10,956
New +$169K 0.01% 515
2014
Q1 		– Sell
-181,041
Closed -$3.08M – 537
2013
Q4 		$3.08M Sell
181,041
-13,630
-7% -$209K 0.11% 235
2013
Q3 		$3.04M Sell
194,671
-4,206
-2% -$53.4K 0.12% 228
2013
Q2 		$2.38M Buy
+198,877
New +$2.03M 0.1% 240

Other funds holding INSM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Driehaus Capital Management's INSM Position: Q2 2026 in Review

Driehaus Capital Management sold out of Insmed (INSM) in Q2 2026, closing a stake of 105,414 shares — an estimated $17.2M sold.

Driehaus Capital Management first reported a position in INSM in Q2 2013 and held it in 16 quarters. The position peaked at $25.3M in Q1 2025. 663 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

  • Driehaus Capital Management reported no remaining Insmed position as of Q2 2026 after selling out during the quarter.
  • Driehaus Capital Management sold 105,414 Insmed shares in Q2 2026, an estimated $17.2M.
  • Driehaus Capital Management first reported a position in Insmed in Q2 2013 and held it in 16 quarters.
  • Driehaus Capital Management's Insmed position peaked at $25.3M in Q1 2025.
  • 663 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.