Simplex Trading
INSM icon

Simplex Trading’s Insmed INSM Stock Holding History

Simplex Trading’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 		$3.06M Sell
18,700
-109,400
-85% -$16.8M ﹤0.01% 1487
2025
Q4 		$22.3M Sell
128,100
-20,600
-14% -$3.76M 0.01% 520
2025
Q3 		$21.4M Buy
148,700
+200
+0.1% +$24.5K 0.01% 611
2025
Q2 		$14.9M Buy
148,500
+115,500
+350% +$8.83M 0.01% 669
2025
Q1 		$2.52M Sell
33,000
-58,900
-64% -$4.51M ﹤0.01% 1836
2024
Q4 		$6.34M Buy
91,900
+25,100
+38% +$1.81M ﹤0.01% 1307
2024
Q3 		$4.88M Sell
66,800
-64,200
-49% -$4.74M ﹤0.01% 1504
2024
Q2 		$8.78M Buy
131,000
+104,900
+402% +$4.07M 0.01% 1096
2024
Q1 		$708K Sell
26,100
-11,000
-30% -$308K ﹤0.01% 3482
2023
Q4 		$1.15M Buy
37,100
+24,500
+194% +$635K ﹤0.01% 2884
2023
Q3 		$318K Sell
12,600
-27,200
-68% -$622K ﹤0.01% 3878
2023
Q2 		$839K Buy
39,800
+1,800
+5% +$34.2K ﹤0.01% 2768
2023
Q1 		$647K Buy
38,000
+19,200
+102% +$373K ﹤0.01% 3016
2022
Q4 		$375K Buy
18,800
+15,900
+548% +$307K ﹤0.01% 3492
2022
Q3 		$62K Sell
2,900
-600
-17% -$14.4K ﹤0.01% 6136
2022
Q2 		$69K Sell
3,500
-43,200
-93% -$905K ﹤0.01% 6055
2022
Q1 		$1.1M Buy
46,700
+23,500
+101% +$546K ﹤0.01% 2804
2021
Q4 		$631K Buy
23,200
+19,600
+544% +$560K ﹤0.01% 3492
2021
Q3 		$106K Hold
3,600
– – ﹤0.01% 6536
2021
Q2 		$102K Buy
3,600
+3,492
+3,233% +$104K ﹤0.01% 6702
2021
Q1 		$367K Buy
108
+10
+10% +$382 ﹤0.01% 3856
2020
Q4 		$326K Buy
98
+85
+654% +$3.1K ﹤0.01% 3963
2020
Q3 		$41K Sell
13
-173
-93% -$4.97K ﹤0.01% 5794
2020
Q2 		$512K Sell
186
-29
-13% -$687 ﹤0.01% 2878
2020
Q1 		$344K Buy
215
+3
+1% +$71 ﹤0.01% 3000
2019
Q4 		$506K Buy
212
+206
+3,433% +$4.19K ﹤0.01% 2742
2019
Q3 		$10K Sell
6
-43
-88% -$830 ﹤0.01% 6251
2019
Q2 		$125K Sell
49
-66
-57% -$1.84K ﹤0.01% 3956
2019
Q1 		$334K Sell
115
-292
-72% -$7.57K ﹤0.01% 3080
2018
Q4 		$533K Sell
407
-138
-25% -$2.2K ﹤0.01% 2162
2018
Q3 		$1.1M Buy
545
+176
+48% +$3.97K ﹤0.01% 1791
2018
Q2 		$872K Buy
+369
New +$9.5K ﹤0.01% 1921
2018
Q1 		– Sell
-3
Closed -$2K – 6470
2017
Q4 		$2K Sell
3
-1,344
-100% -$39.7K ﹤0.01% 5192
2017
Q3 		$1.54M Buy
1,347
+1,074
+393% +$20.5K 0.06% 251
2017
Q2 		$147K Buy
273
+197
+259% +$3.37K 0.01% 1437
2017
Q1 		$25K Sell
76
-13
-15% -$200 ﹤0.01% 3027
2016
Q4 		$2K Sell
89
-36
-29% -$491 ﹤0.01% 5047
2016
Q3 		$10K Buy
125
+36
+40% +$451 ﹤0.01% 3619
2016
Q2 		$2K Sell
89
-70
-44% -$817 ﹤0.01% 4939
2016
Q1 		$15K Buy
159
+42
+36% +$552 ﹤0.01% 3061
2015
Q4 		$40K Buy
117
+12
+11% +$211 ﹤0.01% 2099
2015
Q3 		$1K Sell
105
-50
-32% -$1.25K ﹤0.01% 5031
2015
Q2 		$11K Buy
155
+110
+244% +$2.5K ﹤0.01% 2977
2015
Q1 		$14K Buy
45
+38
+543% +$669 ﹤0.01% 2618
2014
Q4 		$1K Buy
+7
New +$99 ﹤0.01% 4139

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

Simplex Trading's INSM Position: Q1 2026 in Review

Simplex Trading opened a new position in Insmed (INSM) in Q1 2026: 10,715 shares worth $1.75M. The stake represents ﹤0.01% of the portfolio and ranks #1938 among its holdings. This is a return to the name: Simplex Trading previously reported a position in INSM as recently as Q1 2025.

Simplex Trading first reported a position in INSM in Q4 2014 and has held it in 23 quarters since. The position peaked at $4.35M in Q3 2024. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Simplex Trading held 10,715 shares of Insmed worth $1.75M as of Q1 2026.
  • Insmed was a new Simplex Trading position in Q1 2026.
  • Insmed made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #1938 holding.
  • Simplex Trading first reported a position in Insmed in Q4 2014 and has held it in 23 quarters since.
  • Simplex Trading's Insmed position peaked at $4.35M in Q3 2024.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.