Group One Trading
INSM icon

Group One Trading’s Insmed INSM Stock Holding History

Group One 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 		$442K Sell
2,700
-15,100
-85% -$2.32M ﹤0.01% 3456
2025
Q4 		$3.1M Sell
17,800
-145,500
-89% -$26.6M 0.01% 1892
2025
Q3 		$23.5M Buy
163,300
+17,000
+12% +$2.08M 0.04% 437
2025
Q2 		$14.7M Buy
146,300
+39,000
+36% +$2.98M 0.03% 587
2025
Q1 		$8.19M Sell
107,300
-100,900
-48% -$7.72M 0.02% 748
2024
Q4 		$14.4M Sell
208,200
-43,900
-17% -$3.16M 0.03% 508
2024
Q3 		$18.4M Sell
252,100
-13,500
-5% -$996K 0.05% 312
2024
Q2 		$17.8M Buy
265,600
+190,300
+253% +$7.38M 0.07% 239
2024
Q1 		$2.04M Buy
75,300
+63,100
+517% +$1.77M 0.01% 1462
2023
Q4 		$378K Sell
12,200
-8,400
-41% -$218K ﹤0.01% 3306
2023
Q3 		$520K Buy
20,600
+4,200
+26% +$96.1K ﹤0.01% 2866
2023
Q2 		$346K Buy
16,400
+12,300
+300% +$233K ﹤0.01% 3401
2023
Q1 		$69.9K Sell
4,100
-17,400
-81% -$338K ﹤0.01% 4586
2022
Q4 		$430K Buy
21,500
+20,800
+2,971% +$402K ﹤0.01% 3187
2022
Q3 		$15K Sell
700
-6,600
-90% -$158K ﹤0.01% 6254
2022
Q2 		$144K Buy
+7,300
New +$153K ﹤0.01% 4630
2021
Q2 		– Sell
-1,000
Closed -$34K – 8330
2021
Q1 		$34K Sell
1,000
-1,500
-60% -$57.3K ﹤0.01% 6464
2020
Q4 		$83K Buy
+2,500
New +$91.3K ﹤0.01% 4691
2020
Q2 		– Sell
-8,200
Closed -$131K – 5966
2020
Q1 		$131K Sell
8,200
-12,300
-60% -$292K ﹤0.01% 3086
2019
Q4 		$490K Buy
20,500
+15,800
+336% +$321K ﹤0.01% 2448
2019
Q3 		$83K Sell
4,700
-25,600
-84% -$494K ﹤0.01% 3684
2019
Q2 		$776K Sell
30,300
-3,800
-11% -$106K 0.01% 1769
2019
Q1 		$991K Sell
34,100
-3,600
-10% -$93.3K 0.01% 1415
2018
Q4 		$495K Sell
37,700
-1,500
-4% -$23.9K ﹤0.01% 1995
2018
Q3 		$793K Sell
39,200
-5,300
-12% -$120K 0.01% 1890
2018
Q2 		$1.05M Sell
44,500
-4,700
-10% -$121K 0.01% 1681
2018
Q1 		$1.11M Buy
49,200
+42,500
+634% +$1.12M 0.01% 1448
2017
Q4 		$209K Sell
6,700
-129,200
-95% -$3.82M ﹤0.01% 2895
2017
Q3 		$4.24M Buy
135,900
+80,500
+145% +$1.53M 0.04% 594
2017
Q2 		$951K Buy
55,400
+8,200
+17% +$140K 0.01% 1495
2017
Q1 		$826K Buy
47,200
+40,400
+594% +$623K 0.01% 1474
2016
Q4 		$90K Buy
6,800
+4,400
+183% +$60K ﹤0.01% 2898
2016
Q3 		$35K Buy
+2,400
New +$30K ﹤0.01% 3536
2016
Q2 		– Sell
-4,400
Closed -$56K – 4765
2016
Q1 		$56K Sell
4,400
-149,400
-97% -$1.96M ﹤0.01% 3194
2015
Q4 		$2.79M Sell
153,800
-9,900
-6% -$174K 0.03% 650
2015
Q3 		$3.04M Buy
163,700
+33,200
+25% +$829K 0.04% 564
2015
Q2 		$3.19M Buy
130,500
+87,800
+206% +$1.99M 0.04% 500
2015
Q1 		$888K Sell
42,700
-13,700
-24% -$241K 0.01% 1181
2014
Q4 		$873K Sell
56,400
-700
-1% -$9.93K 0.01% 1152
2014
Q3 		$745K Sell
57,100
-95,600
-63% -$1.44M 0.01% 1303
2014
Q2 		$3.05M Sell
152,700
-64,800
-30% -$960K 0.05% 490
2014
Q1 		$4.14M Buy
217,500
+169,100
+349% +$3.21M 0.07% 295
2013
Q4 		$823K Buy
48,400
+9,000
+23% +$138K 0.01% 1231
2013
Q3 		$615K Buy
39,400
+37,700
+2,218% +$479K 0.01% 1434
2013
Q2 		$20K Buy
+1,700
New +$17.4K ﹤0.01% 4075

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

Group One Trading's INSM Position: Q1 2026 in Review

Group One Trading opened a new position in Insmed (INSM) in Q1 2026: 9,094 shares worth $1.49M. The stake represents ﹤0.01% of the portfolio and ranks #2352 among its holdings. This is a return to the name: Group One Trading previously reported a position in INSM as recently as Q3 2025.

Group One Trading first reported a position in INSM in Q2 2013 and has held it in 23 quarters since. The position peaked at $12.5M in Q3 2024. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Group One Trading held 9,094 shares of Insmed worth $1.49M as of Q1 2026.
  • Insmed was a new Group One Trading position in Q1 2026.
  • Insmed made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2352 holding.
  • Group One Trading first reported a position in Insmed in Q2 2013 and has held it in 23 quarters since.
  • Group One Trading's Insmed position peaked at $12.5M in Q3 2024.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.