TRCT
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Tower Research Capital (TRC)’s Insmed INSM Stock Holding History

Tower Research Capital (TRC)’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 		$2.52M Buy
15,410
+10,113
+191% +$1.55M 0.07% 296
2025
Q4 		$922K Buy
5,297
+3,955
+295% +$722K 0.02% 535
2025
Q3 		$193K Sell
1,342
-43,893
-97% -$5.38M 0.01% 1488
2025
Q2 		$4.55M Buy
45,235
+37,820
+510% +$2.89M 0.12% 139
2025
Q1 		$566K Sell
7,415
-11,072
-60% -$847K 0.02% 765
2024
Q4 		$1.28M Buy
18,487
+16,194
+706% +$1.17M 0.03% 510
2024
Q3 		$167K Sell
2,293
-21,216
-90% -$1.57M ﹤0.01% 1778
2024
Q2 		$1.58M Buy
23,509
+18,103
+335% +$702K 0.03% 530
2024
Q1 		$147K Sell
5,406
-7,982
-60% -$223K ﹤0.01% 1614
2023
Q4 		$415K Buy
13,388
+11,342
+554% +$294K 0.01% 1525
2023
Q3 		$51.7K Sell
2,046
-3,274
-62% -$74.9K ﹤0.01% 2527
2023
Q2 		$112K Buy
5,320
+335
+7% +$6.36K ﹤0.01% 1952
2023
Q1 		$85K Buy
4,985
+3,387
+212% +$65.8K ﹤0.01% 2014
2022
Q4 		$32K Sell
1,598
-32,150
-95% -$621K ﹤0.01% 2688
2022
Q3 		$727K Buy
33,748
+12,412
+58% +$298K 0.01% 868
2022
Q2 		$421K Buy
21,336
+4,973
+30% +$104K 0.01% 1249
2022
Q1 		$385K Buy
16,363
+3,983
+32% +$92.5K ﹤0.01% 1314
2021
Q4 		$338K Sell
12,380
-4,660
-27% -$133K 0.01% 1397
2021
Q3 		$469K Buy
17,040
+8,402
+97% +$220K 0.01% 1032
2021
Q2 		$246K Buy
8,638
+3,159
+58% +$93.8K 0.01% 1767
2021
Q1 		$187K Buy
5,479
+990
+22% +$37.8K ﹤0.01% 2067
2020
Q4 		$150K Buy
4,489
+1,331
+42% +$48.6K ﹤0.01% 1980
2020
Q3 		$101K Sell
3,158
-6,438
-67% -$185K ﹤0.01% 3138
2020
Q2 		$264K Buy
+9,596
New +$227K 0.01% 1555
2020
Q1 		– Sell
-110
Closed -$3K – 3458
2019
Q4 		$3K Sell
110
-623
-85% -$12.7K ﹤0.01% 2923
2019
Q3 		$13K Buy
+733
New +$14.2K ﹤0.01% 2770
2019
Q2 		– Sell
-142
Closed -$4K – 3965
2019
Q1 		$4K Buy
+142
New +$3.68K ﹤0.01% 3172
2018
Q4 		– Sell
-1,927
Closed -$39K – 4068
2018
Q3 		$39K Buy
+1,927
New +$43.5K ﹤0.01% 1916
2018
Q2 		– Sell
-4,034
Closed -$91K – 3855
2018
Q1 		$91K Buy
4,034
+3,842
+2,001% +$101K 0.01% 1316
2017
Q4 		$6K Sell
192
-1,964
-91% -$58K ﹤0.01% 2818
2017
Q3 		$67K Buy
+2,156
New +$41.1K 0.01% 1723
2017
Q1 		– Sell
-1,271
Closed -$17K – 3463
2016
Q4 		$17K Buy
+1,271
New +$17.3K ﹤0.01% 2283
2016
Q1 		– Sell
-201
Closed -$4K – 4515
2015
Q4 		$4K Sell
201
-309
-61% -$5.44K ﹤0.01% 3202
2015
Q3 		$9K Sell
510
-3,402
-87% -$84.9K ﹤0.01% 2389
2015
Q2 		$95K Buy
3,912
+775
+25% +$17.6K 0.01% 890
2015
Q1 		$65K Buy
+3,137
New +$55.3K 0.01% 1252
2014
Q4 		– Sell
-101
Closed -$1K – 4321
2014
Q3 		$1K Sell
101
-1,181
-92% -$17.8K ﹤0.01% 4099
2014
Q2 		$26K Buy
1,282
+1,182
+1,182% +$17.5K ﹤0.01% 1688
2014
Q1 		$2K Buy
+100
New +$1.9K ﹤0.01% 3864
2013
Q4 		– Sell
-1,188
Closed -$19K – 4689
2013
Q3 		$19K Sell
1,188
-1,239
-51% -$15.7K ﹤0.01% 2725
2013
Q2 		$29K Buy
+2,427
New +$24.8K ﹤0.01% 1369

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

Tower Research Capital (TRC)'s INSM Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Insmed (INSM) stake by 191% in Q1 2026, buying an estimated $1.55M and bringing the position to 15,410 shares worth $2.52M. The position accounts for 0.07% of the portfolio, ranked #296.

Tower Research Capital (TRC) first reported a position in INSM in Q2 2013 and has held it in 41 quarters since. The position peaked at $4.55M in Q2 2025. 670 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Tower Research Capital (TRC) held 15,410 shares of Insmed worth $2.52M as of Q1 2026.
  • Tower Research Capital (TRC) bought 10,113 Insmed shares in Q1 2026, an estimated $1.55M.
  • Insmed made up 0.07% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #296 holding.
  • Tower Research Capital (TRC) first reported a position in Insmed in Q2 2013 and has held it in 41 quarters since.
  • Tower Research Capital (TRC)'s Insmed position peaked at $4.55M in Q2 2025.
  • 670 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.