Rafferty Asset Management
INSM icon

Rafferty Asset Management’s Insmed INSM Stock Holding History

Rafferty 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 		$19M Buy
116,069
+15,257
+15% +$2.35M 0.08% 143
2025
Q4 		$17.5M Buy
100,812
+45,653
+83% +$8.33M 0.06% 175
2025
Q3 		$7.94M Sell
55,159
-42,951
-44% -$5.26M 0.03% 329
2025
Q2 		$9.87M Sell
98,110
-47,874
-33% -$3.66M 0.03% 271
2025
Q1 		$11.1M Sell
145,984
-34,929
-19% -$2.67M 0.05% 244
2024
Q4 		$12.5M Sell
180,913
-45,887
-20% -$3.3M 0.04% 245
2024
Q3 		$16.6M Buy
226,800
+114,586
+102% +$8.46M 0.06% 178
2024
Q2 		$7.52M Sell
112,214
-217,421
-66% -$8.43M 0.03% 327
2024
Q1 		$8.94M Buy
329,635
+8,548
+3% +$239K 0.03% 303
2023
Q4 		$9.95M Buy
321,087
+47,563
+17% +$1.23M 0.04% 280
2023
Q3 		$6.91M Sell
273,524
-97,602
-26% -$2.23M 0.04% 326
2023
Q2 		$7.83M Sell
371,126
-7,122
-2% -$135K 0.04% 291
2023
Q1 		$6.45M Sell
378,248
-58,554
-13% -$1.14M 0.04% 320
2022
Q4 		$8.73M Buy
436,802
+157,722
+57% +$3.05M 0.07% 224
2022
Q3 		$6.01M Buy
279,080
+95,905
+52% +$2.3M 0.06% 291
2022
Q2 		$3.61M Sell
183,175
-58,325
-24% -$1.22M 0.03% 351
2022
Q1 		$5.67M Buy
241,500
+41,683
+21% +$968K 0.03% 353
2021
Q4 		$5.44M Buy
199,817
+85,043
+74% +$2.43M 0.03% 357
2021
Q3 		$3.16M Buy
114,774
+27,995
+32% +$734K 0.02% 448
2021
Q2 		$2.47M Buy
86,779
+1,599
+2% +$47.5K 0.02% 610
2021
Q1 		$2.9M Buy
85,180
+61,809
+264% +$2.36M 0.02% 516
2020
Q4 		$778K Sell
23,371
-46,314
-66% -$1.69M 0.01% 578
2020
Q3 		$2.24M Buy
69,685
+34,564
+98% +$993K 0.03% 377
2020
Q2 		$967K Buy
35,121
+25,000
+247% +$593K 0.01% 557
2020
Q1 		$162K Sell
10,121
-75,961
-88% -$1.8M 0.01% 539
2019
Q4 		$2.06M Sell
86,082
-142,149
-62% -$2.89M 0.03% 382
2019
Q3 		$4.03M Buy
228,231
+92,953
+69% +$1.79M 0.06% 183
2019
Q2 		$3.46M Buy
135,278
+39,203
+41% +$1.09M 0.06% 234
2019
Q1 		$2.79M Buy
+96,075
New +$2.49M 0.04% 244

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

Rafferty Asset Management's INSM Position: Q1 2026 in Review

Rafferty Asset Management increased its Insmed (INSM) stake by 15% in Q1 2026, buying an estimated $2.35M and bringing the position to 116,069 shares worth $19M. The position accounts for 0.08% of the portfolio, ranked #143.

Rafferty Asset Management first reported a position in INSM in Q1 2019 and has held it in 29 quarters since. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Rafferty Asset Management held 116,069 shares of Insmed worth $19M as of Q1 2026.
  • Rafferty Asset Management bought 15,257 Insmed shares in Q1 2026, an estimated $2.35M.
  • Insmed made up 0.08% of Rafferty Asset Management's portfolio in Q1 2026, its #143 holding.
  • Rafferty Asset Management first reported a position in Insmed in Q1 2019 and has held it in 29 quarters since.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

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