INSMED Inc - Common Stock, par value $0.01 per share (INSM)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
INSM on Nasdaq
Shares outstanding
210,901,495
Price per share
$174.04
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
210,841,539
Total reported value
$30,319,625,983
% of total 13F portfolios
0.04%
Share change
+655,708
Value change
+$444,550,906
Avg buy value change
+0%
Avg sell value change
-0.01%
Number of holders
559
Price from insider filings
$174.17
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of INSMED Inc - Common Stock, par value $0.01 per share (INSM) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
JPMORGAN CHASE & CO 11% +36% $2,979,237,899 +$1,016,142,500 23,014,584 +52% JPMORGAN CHASE & CO. 29 Aug 2025
Darwin Global Management, Ltd. 9.7% +13% $2,946,076,654 +$728,614,275 20,457,445 +33% Darwin Global Management, Ltd. 30 Sep 2025
VANGUARD GROUP INC 10% $1,249,274,979 18,218,973 The Vanguard Group 31 Dec 2024
BlackRock, Inc. 5.1% $638,556,339 9,729,641 BlackRock, Inc. 30 Jun 2025
PRICE T ROWE ASSOCIATES INC /MD/ 3.3% -43% $998,278,616 -$619,088,189 6,932,009 -38% T. Rowe Price Associates, Inc. 30 Sep 2025
As of 30 Sep 2025, INSMED Inc - Common Stock, par value $0.01 per share (INSM) has 559 institutional shareholders filing 13F forms. They hold 210,841,539 shares. of 210,901,495 outstanding shares (100%) .

Top 25 institutional shareholders own 72% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
JPMORGAN CHASE & CO 11% 23,047,676 +47% 0.21% $3,319,096,045
Darwin Global Management, Ltd. 9.7% 20,457,445 +5.8% 81% $2,897,797,084
VANGUARD GROUP INC 9.5% 19,935,820 +13% 0.04% $2,870,957,439
BlackRock, Inc. 5.9% 12,364,904 +11% 0.03% $1,780,669,886
FMR LLC 4.4% 9,180,963 +80% 0.07% $1,322,150,532
Capital International Investors 3.6% 7,553,853 +1% 0.18% $1,087,830,371
PRICE T ROWE ASSOCIATES INC /MD/ 3.3% 6,931,466 -38% 0.11% $998,201,000
BAKER BROS. ADVISORS LP 3.2% 6,703,484 -13% 7% $965,368,731
D. E. Shaw & Co., Inc. 2.7% 5,657,464 +65% 0.66% $814,731,390
Artisan Partners Limited Partnership 2.3% 4,937,683 +49% 1% $711,075,729
STATE STREET CORP 1.9% 3,984,354 -6.9% 0.02% $573,786,820
GEODE CAPITAL MANAGEMENT, LLC 1.8% 3,759,427 +13% 0.03% $541,500,912
Orbis Allan Gray Ltd 1.5% 3,250,868 +113% 2% $468,157,501
RTW INVESTMENTS, LP 1.5% 3,084,558 0% 5.5% $444,207,198
AMERIPRISE FINANCIAL INC 1.3% 2,721,879 -8% 0.09% $391,978,689
Duquesne Family Office LLC 1.1% 2,423,435 +7.5% 8.9% $348,999,000
MILLENNIUM MANAGEMENT LLC 1.1% 2,336,112 +10% 0.26% $336,423,489
FRANKLIN RESOURCES INC 1% 2,139,725 -9% 0.08% $308,141,793
CITADEL ADVISORS LLC 0.98% 2,057,641 +34% 0.24% $296,320,880
Invesco Ltd. 0.95% 2,003,871 +5.7% 0.05% $288,577,400
UBS Group AG 0.78% 1,646,239 +461% 0.05% $237,074,878
BANK OF AMERICA CORP /DE/ 0.76% 1,601,806 +31% 0.02% $230,676,015
Integral Health Asset Management, LLC 0.76% 1,600,000 0% 17% $230,416,000
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.74% 1,555,057 -6.6% 0.58% $223,943,759
Qube Research & Technologies Ltd 0.73% 1,544,315 +43% 0.31% $222,396,803

Institutional Holders of INSMED Inc - Common Stock, par value $0.01 per share (INSM) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 230,527 $40,143,602 +$8,528,848 17,404.01% 23
2025 Q3 210,841,539 $30,319,625,983 +$444,550,906 14,401% 559
2025 Q2 210,375,071 $21,148,644,502 +$1,358,876,883 10,064% 513
2025 Q1 197,786,281 $15,116,972,595 +$439,019,600 7,629% 434
2024 Q4 192,527,267 $13,292,738,007 +$359,910,615 6,904% 433
2024 Q3 186,369,640 $13,609,899,197 +$788,441,234 7,300% 417
2024 Q2 175,224,446 $11,739,684,387 +$1,877,920,034 6,700% 386
2024 Q1 148,158,709 $4,019,244,934 -$31,967,825 2,713% 292
2023 Q4 760,508 $23,603,843 -$1,865,147 3,099% 4
2023 Q3 146,032,292 $3,687,371,189 +$65,828,154 2,525% 245
2023 Q2 145,059,040 $3,059,024,756 +$10,494,836 2,110% 217
2023 Q1 145,015,629 $2,471,116,820 +$36,808,267 1,705% 225
2022 Q4 143,260,347 $2,861,469,379 +$304,703,355 1,998% 220
2022 Q3 122,237,646 $2,632,332,495 -$228,935,632 2,154% 222
2022 Q2 124,778,070 $2,460,586,454 +$52,999,190 1,972% 192
2022 Q1 124,822,306 $2,933,013,983 +$71,229,923 2,350% 203
2021 Q4 122,664,146 $3,340,961,428 -$21,790,965 2,724% 197
2021 Q3 123,224,771 $3,393,033,011 +$40,004,457 2,753.99% 184
2021 Q2 121,291,929 $3,451,027,116 +$433,237,481 2,845.99% 192
2021 Q1 106,365,592 $3,623,365,138 -$7,459,721 3,405.99% 191
2020 Q4 107,470,161 $3,577,700,188 -$45,352,156 3,328.99% 199
2020 Q3 108,633,312 $3,492,408,174 -$56,320,811 3,214% 192
2020 Q2 110,614,674 $3,042,730,072 +$366,899,141 2,754% 179
2020 Q1 96,918,498 $1,551,541,262 -$33,078,495 1,602.95% 154
2019 Q4 98,271,379 $2,346,683,431 -$38,862,242 2,387.99% 168
2019 Q3 98,283,130 $1,733,785,567 -$528,921,020 1,764.01% 149
2019 Q2 126,210,706 $3,230,856,286 +$1,164,922,788 2,559.99% 161
2019 Q1 82,099,140 $2,386,629,092 -$5,035,428 2,907.04% 147
2018 Q4 82,348,800 $1,080,398,004 -$9,301,326 1,312% 118
2018 Q3 80,865,892 $1,635,190,434 -$43,327,917 2,022.03% 119
2018 Q2 82,432,384 $1,949,511,562 +$34,162,570 2,365% 123
2018 Q1 81,803,945 $1,842,181,409 +$127,628,626 2,252% 124
2017 Q4 75,850,426 $2,365,010,554 +$46,221,696 3,117.95% 123
2017 Q3 73,702,053 $2,292,322,507 +$540,983,964 3,120.95% 139
2017 Q2 55,518,883 $952,476,710 +$47,870,993 1,716% 106
2017 Q1 56,907,397 $996,429,125 +$70,323,736 1,750.99% 94
2016 Q4 57,798,899 $764,690,750 +$2,353,591 1,322.99% 95
2016 Q3 57,474,912 $834,201,194 +$19,210,125 1,452% 93
2016 Q2 56,451,131 $556,714,141 -$8,092,016 986% 103
2016 Q1 57,021,750 $722,299,325 -$12,896,841 1,266.98% 95
2015 Q4 56,611,322 $1,027,775,029 +$271,580 1,815% 109
2015 Q3 56,767,634 $1,053,878,972 +$35,394,353 1,857.01% 117
2015 Q2 53,487,923 $1,305,926,938 +$18,182,625 2,442.01% 113
2015 Q1 51,586,306 $1,073,247,187 +$252,791,465 2,079.99% 114
2014 Q4 41,624,153 $643,979,215 +$12,732,458 1,546.99% 91
2014 Q3 41,269,857 $538,661,902 +$115,633,278 1,305.01% 99
2014 Q2 29,678,717 $592,680,286 -$7,577 1,998.02% 101
2014 Q1 29,211,820 $555,208,840 +$49,175,482 1,903.98% 106