Fidelity Investments’s Insmed INSM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.15B Buy
13,160,167
+3,232,231
+33% +$497M 0.11% 153
2025
Q4
$1.73B Buy
9,927,936
+746,973
+8% +$136M 0.09% 179
2025
Q3
$1.32B Buy
9,180,963
+4,087,702
+80% +$501M 0.07% 224
2025
Q2
$513M Buy
5,093,261
+1,698,877
+50% +$130M 0.03% 479
2025
Q1
$259M Sell
3,394,384
-1,461,865
-30% -$112M 0.02% 697
2024
Q4
$335M Sell
4,856,249
-2,335,269
-32% -$168M 0.02% 616
2024
Q3
$525M Sell
7,191,518
-113,612
-2% -$8.38M 0.03% 463
2024
Q2
$489M Sell
7,305,130
-2,013,764
-22% -$78.1M 0.03% 454
2024
Q1
$253M Buy
9,318,894
+4,227,280
+83% +$118M 0.02% 707
2023
Q4
$158M Buy
5,091,614
+786,660
+18% +$20.4M 0.01% 842
2023
Q3
$109M Buy
4,304,954
+221,659
+5% +$5.07M 0.01% 932
2023
Q2
$86.2M Buy
4,083,295
+496,295
+14% +$9.42M 0.01% 1062
2023
Q1
$61.2M Sell
3,587,000
-181,407
-5% -$3.52M 0.01% 1177
2022
Q4
$75.3M Buy
3,768,407
+221,101
+6% +$4.27M 0.01% 1082
2022
Q3
$76.4M Buy
3,547,306
+118,820
+3% +$2.85M 0.01% 1063
2022
Q2
$67.6M Buy
3,428,486
+63,548
+2% +$1.33M 0.01% 1126
2022
Q1
$79.1M Sell
3,364,938
-180,293
-5% -$4.19M 0.01% 1185
2021
Q4
$96.6M Sell
3,545,231
-456,863
-11% -$13.1M 0.01% 1115
2021
Q3
$110M Sell
4,002,094
-333,312
-8% -$8.74M 0.01% 1063
2021
Q2
$123M Sell
4,335,406
-1,634,550
-27% -$48.5M 0.01% 1028
2021
Q1
$203M Sell
5,969,956
-6,118,588
-51% -$234M 0.02% 782
2020
Q4
$402M Sell
12,088,544
-3,133,562
-21% -$114M 0.04% 470
2020
Q3
$489M Buy
15,222,106
+288,225
+2% +$8.28M 0.05% 342
2020
Q2
$411M Buy
14,933,881
+1,467,747
+11% +$34.8M 0.05% 368
2020
Q1
$216M Buy
13,466,134
+64,606
+0.5% +$1.53M 0.03% 485
2019
Q4
$320M Buy
13,401,528
+659,239
+5% +$13.4M 0.04% 461
2019
Q3
$225M Buy
12,742,289
+2,153,573
+20% +$41.6M 0.03% 589
2019
Q2
$271M Sell
10,588,716
-1,042,068
-9% -$29M 0.03% 541
2019
Q1
$338M Buy
11,630,784
+67,250
+0.6% +$1.74M 0.04% 438
2018
Q4
$152M Buy
11,563,534
+7,406
+0.1% +$118K 0.02% 688
2018
Q3
$234M Buy
11,556,128
+62,658
+0.5% +$1.41M 0.03% 617
2018
Q2
$272M Buy
11,493,470
+779
+0% +$20.1K 0.03% 545
2018
Q1
$259M Buy
11,492,691
+4,040
+0% +$106K 0.03% 581
2017
Q4
$358M Buy
11,488,651
+13,717
+0.1% +$405K 0.04% 461
2017
Q3
$358M Buy
11,474,934
+2,171,118
+23% +$41.4M 0.04% 454
2017
Q2
$160M Buy
9,303,816
+299
+0% +$5.11K 0.02% 764
2017
Q1
$163M Buy
9,303,517
+21,832
+0.2% +$337K 0.02% 782
2016
Q4
$123M Hold
9,281,685
0.02% 884
2016
Q3
$135M Buy
9,281,685
+848,911
+10% +$10.6M 0.02% 841
2016
Q2
$83.1M Sell
8,432,774
-845,858
-9% -$9.87M 0.01% 1067
2016
Q1
$118M Buy
9,278,632
+8,070
+0.1% +$106K 0.02% 896
2015
Q4
$168M Buy
9,270,562
+6,523
+0.1% +$115K 0.02% 723
2015
Q3
$172M Buy
9,264,039
+38,774
+0.4% +$968K 0.02% 705
2015
Q2
$225M Buy
9,225,265
+607,751
+7% +$13.8M 0.03% 637
2015
Q1
$179M Buy
8,617,514
+1,167,765
+16% +$20.6M 0.02% 740
2014
Q4
$115M Buy
7,449,749
+223,291
+3% +$3.17M 0.02% 940
2014
Q3
$94.3M Buy
7,226,458
+1,335,583
+23% +$20.1M 0.01% 994
2014
Q2
$118M Buy
5,890,875
+1,439
+0% +$21.3K 0.02% 917
2014
Q1
$112M Buy
5,889,436
+23,000
+0.4% +$437K 0.02% 924
2013
Q4
$99.8M Buy
5,866,436
+715,249
+14% +$11M 0.01% 986
2013
Q3
$80.4M Buy
5,151,187
+1,393,647
+37% +$17.7M 0.01% 1055
2013
Q2
$44.9M Buy
+3,757,540
New +$38.4M 0.01% 1291

Other funds holding INSM

Fidelity Investments's INSM Position: Q1 2026 in Review

Fidelity Investments increased its Insmed (INSM) stake by 33% in Q1 2026, buying an estimated $497M and bringing the position to 13,160,167 shares worth $2.15B. The position accounts for 0.11% of the portfolio, ranked #153.

Fidelity Investments first reported a position in INSM in Q2 2013 and has held it in 52 quarters since. 669 funds tracked by Wall St. Rank hold INSM as of Q1 2026.

  • Fidelity Investments held 13,160,167 shares of Insmed worth $2.15B as of Q1 2026.
  • Fidelity Investments bought 3,232,231 Insmed shares in Q1 2026, an estimated $497M.
  • Insmed made up 0.11% of Fidelity Investments's portfolio in Q1 2026, its #153 holding.
  • Fidelity Investments first reported a position in Insmed in Q2 2013 and has held it in 52 quarters since.
  • 669 funds tracked by Wall St. Rank held Insmed as of Q1 2026.

Based on Fidelity Investments's 13F filing for Q1 2026, filed 15 May 2026.