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 		$2.8M Sell
17,100
-118,600
-87% -$18.2M 0.01% 1772
2025
Q4 		$23.6M Buy
135,700
+4,500
+3% +$821K 0.04% 448
2025
Q3 		$18.9M Sell
131,200
-27,800
-17% -$3.41M 0.03% 527
2025
Q2 		$16M Buy
159,000
+111,000
+231% +$8.49M 0.04% 542
2025
Q1 		$3.66M Sell
48,000
-64,200
-57% -$4.91M 0.01% 1318
2024
Q4 		$7.75M Buy
112,200
+75,800
+208% +$5.46M 0.02% 852
2024
Q3 		$2.66M Sell
36,400
-181,100
-83% -$13.4M 0.01% 1500
2024
Q2 		$14.6M Buy
217,500
+199,400
+1,102% +$7.73M 0.06% 290
2024
Q1 		$491K Sell
18,100
-14,000
-44% -$392K ﹤0.01% 2742
2023
Q4 		$995K Sell
32,100
-13,600
-30% -$353K ﹤0.01% 2467
2023
Q3 		$1.15M Buy
45,700
+31,100
+213% +$711K ﹤0.01% 2116
2023
Q2 		$308K Buy
14,600
+2,100
+17% +$39.8K ﹤0.01% 3519
2023
Q1 		$213K Sell
12,500
-7,800
-38% -$152K ﹤0.01% 3610
2022
Q4 		$406K Buy
20,300
+1,300
+7% +$25.1K ﹤0.01% 3227
2022
Q3 		$409K Buy
+19,000
New +$456K ﹤0.01% 3427
2022
Q2 		– Sell
-5,100
Closed -$120K – 8131
2022
Q1 		$120K Buy
5,100
+2,200
+76% +$51.1K ﹤0.01% 5313
2021
Q4 		$79K Buy
2,900
+2,500
+625% +$71.5K ﹤0.01% 5935
2021
Q3 		$11K Sell
400
-100
-20% -$2.62K ﹤0.01% 7452
2021
Q2 		$14K Sell
500
-3,700
-88% -$110K ﹤0.01% 7375
2021
Q1 		$143K Sell
4,200
-8,900
-68% -$340K ﹤0.01% 5324
2020
Q4 		$436K Buy
13,100
+13,000
+13,000% +$475K ﹤0.01% 3386
2020
Q3 		$3K Sell
100
-47,600
-100% -$1.37M ﹤0.01% 5748
2020
Q2 		$1.31M Buy
47,700
+47,600
+47,600% +$1.13M 0.01% 1795
2020
Q1 		$2K Sell
100
-30,100
-100% -$713K ﹤0.01% 4977
2019
Q4 		$721K Buy
30,200
+1,500
+5% +$30.5K ﹤0.01% 2137
2019
Q3 		$506K Sell
28,700
-1,100
-4% -$21.2K ﹤0.01% 2321
2019
Q2 		$763K Sell
29,800
-32,800
-52% -$914K 0.01% 1783
2019
Q1 		$1.82M Buy
62,600
+13,000
+26% +$337K 0.02% 988
2018
Q4 		$651K Sell
49,600
-33,300
-40% -$531K 0.01% 1823
2018
Q3 		$1.68M Buy
82,900
+42,300
+104% +$955K 0.01% 1293
2018
Q2 		$960K Buy
40,600
+5,200
+15% +$134K 0.01% 1767
2018
Q1 		$797K Buy
35,400
+27,100
+327% +$713K 0.01% 1680
2017
Q4 		$259K Sell
8,300
-186,500
-96% -$5.51M ﹤0.01% 2765
2017
Q3 		$6.08M Buy
194,800
+136,300
+233% +$2.6M 0.06% 427
2017
Q2 		$1M Sell
58,500
-7,200
-11% -$123K 0.01% 1448
2017
Q1 		$1.15M Buy
65,700
+36,200
+123% +$558K 0.01% 1247
2016
Q4 		$390K Buy
29,500
+6,200
+27% +$84.6K ﹤0.01% 1942
2016
Q3 		$338K Sell
23,300
-16,600
-42% -$208K ﹤0.01% 2099
2016
Q2 		$393K Buy
39,900
+24,300
+156% +$284K ﹤0.01% 1908
2016
Q1 		$198K Sell
15,600
-2,300
-13% -$30.2K ﹤0.01% 2322
2015
Q4 		$325K Buy
17,900
+700
+4% +$12.3K ﹤0.01% 2143
2015
Q3 		$319K Sell
17,200
-11,700
-40% -$292K ﹤0.01% 2144
2015
Q2 		$706K Buy
28,900
+3,800
+15% +$86.3K 0.01% 1498
2015
Q1 		$522K Buy
25,100
+19,300
+333% +$340K 0.01% 1557
2014
Q4 		$90K Sell
5,800
-7,900
-58% -$112K ﹤0.01% 2927
2014
Q3 		$179K Sell
13,700
-50,800
-79% -$766K ﹤0.01% 2461
2014
Q2 		$1.29M Sell
64,500
-141,300
-69% -$2.09M 0.02% 973
2014
Q1 		$3.92M Buy
205,800
+183,000
+803% +$3.48M 0.07% 314
2013
Q4 		$388K Buy
22,800
+700
+3% +$10.7K 0.01% 1852
2013
Q3 		$345K Buy
22,100
+3,300
+18% +$41.9K 0.01% 1932
2013
Q2 		$225K Buy
+18,800
New +$192K 0.01% 2065

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.