William Blair & Company
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William Blair & Company’s Insmed INSM Stock Holding History

William Blair & Company’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
2024
Q4 		– Sell
-9,091
Closed -$664K – 1850
2024
Q3 		$664K Sell
9,091
-3,772
-29% -$278K ﹤0.01% 1036
2024
Q2 		$862K Sell
12,863
-2,236
-15% -$86.7K ﹤0.01% 926
2024
Q1 		$410K Buy
15,099
+15
+0.1% +$420 ﹤0.01% 1138
2023
Q4 		$467K Hold
15,084
– – ﹤0.01% 1090
2023
Q3 		$381K Hold
15,084
– – ﹤0.01% 1141
2023
Q2 		$318K Buy
15,084
+2,794
+23% +$53K ﹤0.01% 1226
2023
Q1 		$210K Buy
12,290
+68
+0.6% +$1.32K ﹤0.01% 1392
2022
Q4 		$244K Buy
12,222
+416
+4% +$8.04K ﹤0.01% 1301
2022
Q3 		$254K Buy
11,806
+377
+3% +$9.04K ﹤0.01% 1298
2022
Q2 		$225K Sell
11,429
-514
-4% -$10.8K ﹤0.01% 1369
2022
Q1 		$281K Sell
11,943
-3,173
-21% -$73.7K ﹤0.01% 1386
2021
Q4 		$412K Buy
15,116
+230
+2% +$6.58K ﹤0.01% 1293
2021
Q3 		$410K Hold
14,886
– – ﹤0.01% 1230
2021
Q2 		$424K Buy
14,886
+4,768
+47% +$142K ﹤0.01% 1208
2021
Q1 		$345K Sell
10,118
-394
-4% -$15.1K ﹤0.01% 1276
2020
Q4 		$350K Buy
+10,512
New +$384K ﹤0.01% 1200

Other funds holding INSM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

William Blair & Company's INSM Position: Q4 2024 in Review

William Blair & Company sold out of Insmed (INSM) in Q4 2024, closing a stake of 9,091 shares — an estimated $664K sold.

William Blair & Company first reported a position in INSM in Q4 2020 and held it in 16 quarters. The position peaked at $862K in Q2 2024. 438 funds tracked by Wall St. Rank hold INSM as of Q4 2024.

  • William Blair & Company reported no remaining Insmed position as of Q4 2024 after selling out during the quarter.
  • William Blair & Company sold 9,091 Insmed shares in Q4 2024, an estimated $664K.
  • William Blair & Company first reported a position in Insmed in Q4 2020 and held it in 16 quarters.
  • William Blair & Company's Insmed position peaked at $862K in Q2 2024.
  • 438 funds tracked by Wall St. Rank held Insmed as of Q4 2024.

Based on William Blair & Company's 13F filing for Q4 2024, filed 12 Feb 2025.