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 		$605K Sell
3,700
-17,000
-82% -$2.61M ﹤0.01% 3053
2025
Q4 		$3.6M Sell
20,700
-42,400
-67% -$7.74M ﹤0.01% 1525
2025
Q3 		$9.09M Sell
63,100
-41,900
-40% -$5.13M ﹤0.01% 1032
2025
Q2 		$10.6M Buy
105,000
+89,900
+595% +$6.87M 0.01% 854
2025
Q1 		$1.15M Sell
15,100
-40,000
-73% -$3.06M ﹤0.01% 2570
2024
Q4 		$3.8M Sell
55,100
-136,800
-71% -$9.85M ﹤0.01% 1674
2024
Q3 		$14M Sell
191,900
-143,200
-43% -$10.6M 0.01% 825
2024
Q2 		$22.5M Buy
335,100
+39,400
+13% +$1.53M 0.01% 568
2024
Q1 		$8.02M Buy
295,700
+285,500
+2,799% +$7.99M ﹤0.01% 1265
2023
Q4 		$316K Sell
10,200
-33,900
-77% -$879K ﹤0.01% 4171
2023
Q3 		$1.11M Sell
44,100
-20,400
-32% -$467K ﹤0.01% 2556
2023
Q2 		$1.36M Buy
64,500
+44,200
+218% +$839K ﹤0.01% 2308
2023
Q1 		$346K Buy
20,300
+18,900
+1,350% +$367K ﹤0.01% 3669
2022
Q4 		$27K Sell
1,400
-8,300
-86% -$160K ﹤0.01% 6582
2022
Q3 		$208K Buy
9,700
+7,400
+322% +$177K ﹤0.01% 4556
2022
Q2 		$45K Buy
2,300
+200
+10% +$4.19K ﹤0.01% 6644
2022
Q1 		$49K Buy
2,100
+1,900
+950% +$44.1K ﹤0.01% 7151
2021
Q4 		$5K Sell
200
-16,800
-99% -$480K ﹤0.01% 9524
2021
Q3 		$500K Hold
17,000
– – ﹤0.01% 4112
2021
Q2 		$483K Buy
17,000
+16,827
+9,727% +$499K ﹤0.01% 4228
2021
Q1 		$589K Buy
173
+161
+1,342% +$6.15K ﹤0.01% 3136
2020
Q4 		$39K Sell
12
-20
-63% -$731 ﹤0.01% 6427
2020
Q3 		$102K Buy
32
+1
+3% +$29 ﹤0.01% 4890
2020
Q2 		$85K Sell
31
-13
-30% -$308 ﹤0.01% 4963
2020
Q1 		$70K Buy
+44
New +$1.04K ﹤0.01% 4769
2019
Q4 		– Sell
-2
Closed -$3K – 7593
2019
Q3 		$3K Sell
2
-18
-90% -$348 ﹤0.01% 6797
2019
Q2 		$51K Buy
20
+5
+33% +$139 ﹤0.01% 4846
2019
Q1 		$43K Sell
15
-373
-96% -$9.67K ﹤0.01% 5127
2018
Q4 		$509K Sell
388
-191
-33% -$3.05K ﹤0.01% 2213
2018
Q3 		$1.17M Sell
579
-179
-24% -$4.04K ﹤0.01% 1732
2018
Q2 		$1.79M Buy
+758
New +$19.5K 0.01% 1241
2018
Q1 		– Sell
-28
Closed -$2K – 6471
2017
Q4 		$2K Sell
28
-845
-97% -$25K ﹤0.01% 5193
2017
Q3 		$19K Buy
873
+502
+135% +$9.56K ﹤0.01% 3200
2017
Q2 		$23K Sell
371
-364
-50% -$6.22K ﹤0.01% 3164
2017
Q1 		$21K Buy
735
+545
+287% +$8.4K ﹤0.01% 3192
2016
Q4 		$115K Sell
190
-32
-14% -$437 0.01% 1419
2016
Q3 		$112K Sell
222
-285
-56% -$3.57K 0.01% 1443
2016
Q2 		$282K Buy
507
+321
+173% +$3.75K 0.02% 804
2016
Q1 		$155K Sell
186
-121
-39% -$1.59K 0.01% 1032
2015
Q4 		$140K Buy
307
+107
+54% +$1.89K 0.01% 1119
2015
Q3 		$63K Buy
+200
New +$4.99K ﹤0.01% 1800
2015
Q2 		– Sell
-214
Closed -$11K – 5478
2015
Q1 		$11K Buy
+214
New +$3.77K ﹤0.01% 2871

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.