INSMED INC INSM
COM PAR $.01 · Common Stock · CUSIP 457669307 · ISIN US4576693075
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersBridgewater, NJ
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.0m this quarter). Holder counts are more reliable. Shares outstanding: 135.5m as of 2022-10-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $19.97. Options: 8 managers hold calls ($3.2m notional), 5 hold puts ($2.8m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 239 |
| Q4 2022 | 226 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $6.7m | $3.5m | 0.53 |
| Q4 2022 | $3.2m | $2.8m | 0.88 |
Biggest buyers
| Deep Track Capital, LP | New | +4.3m |
| BlackRock Inc. | Added | +1.9m |
| VANGUARD GROUP INC | Added | +1.7m |
| STATE STREET CORP | Added | +1.4m |
| MONTANOVA CAPITAL, LLC | Added | +1.3m |
| EMERALD ADVISERS, LLC | New | +994.9k |
| GW&K Investment Management, LLC | Added | +755.1k |
| SAMLYN CAPITAL, LLC | Added | +751.4k |
| EMERALD MUTUAL FUND ADVISERS TRUST | New | +747.1k |
| EVENTIDE ASSET MANAGEMENT, LLC | New | +698.4k |
Biggest sellers
| JANUS HENDERSON GROUP PLC | Reduced | -3.8m |
| Fairmount Funds Management LLC | Sold out | -1.3m |
| MILLENNIUM MANAGEMENT LLC | Sold out | -920.1k |
| AXA S.A. | Reduced | -770.1k |
| Assenagon Asset Management S.A. | Reduced | -595.7k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Sold out | -475.0k |
| Cubist Systematic Strategies, LLC | Reduced | -346.3k |
| TANG CAPITAL MANAGEMENT LLC | Reduced | -333.8k |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Reduced | -296.3k |
| Altium Capital Management LLC | Sold out | -268.0k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $795.2k39.8k shares |
| Caption Management, LLC | New | $539.5k27.0k shares |
| CITIGROUP INC | New | $495.5k24.8k shares |
| GROUP ONE TRADING LLC | Added | $405.6k20.3k shares |
| SIMPLEX TRADING, LLC | Added | $375.0k18.8k shares |
| JANE STREET GROUP, LLC | Reduced | $311.7k15.6k shares |
| SG3 Management, LLC | Not comparable | $299.7k15.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| WOLVERINE ASSET MANAGEMENT LLC | Added | $1.4m68.9k shares |
| CITIGROUP INC | New | $495.5k24.8k shares |
| SG3 Management, LLC | Not comparable | $399.6k20.0k shares |
| CITADEL ADVISORS LLC | Added | $317.7k15.9k shares |
| Walleye Trading LLC | New | $247.8k12.4k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution +1.3 pts · filed 2026-08-06 | 7.4% |
| BlackRock, Inc. 13G · institution +1.5 pts · filed 2026-01-21 | 6.6% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.3% |
Fell to 5% or below in the last year: Darwin Global Management, Ltd. (3.0%, 2026-08-14), JPMORGAN CHASE & CO (4.7%, 2026-07-22), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC), PRICE T ROWE ASSOCIATES INC /MD/ (3.3%, 2025-11-14)
Insider purchases and sales in Q4 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 2 | $730.5k | 2 | $4.5m | — |
| Q1 2022 | 0 | — | 6 | $3.1m | — |
| Q2 2022 | 1 | $344.0k | 6 | $389.7k | — |
| Q3 2022 | 0 | — | 3 | $8.3m | — |
| Q4 2022 | 2 | $1.3m | 2 | $357.7k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2022-11-22 | Adsett Roger Chief Operating Officer | Sold | $222.9k11.9k shares |
| 2022-11-22 | Wise John Drayton Chief Commercial Officer | Sold | $134.8k7.2k shares |
| 2022-11-01 | SHAROKY MELVIN MD Director | Bought | $177.0k10.0k shares |
| 2022-10-31 | LEE LEO Director | Bought | $796.0k45.0k shares |
| 2022-10-31 | SHAROKY MELVIN MD Director | Bought | $350.6k20.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.01% of their portfolio | 13.0m $260.6m | Added +1.7m |
| BlackRock Inc. 0.01% of their portfolio | 11.1m $222.1m | Added +1.9m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio | 10.0m $199.4m | Added +429.7k |
| T. Rowe Price Investment Management, Inc. 0.13% of their portfolio | 8.4m $167.3m | Added +307.9k |
| STATE STREET CORP 0.01% of their portfolio | 6.9m $137.6m | Added +1.4m |
| Palo Alto Investors LP 10.00% of their portfolio | 5.9m $117.3m | Added +30.9k |
| Deep Track Capital, LP 3.71% of their portfolio | 4.3m $85.2m | New |
| PICTET ASSET MANAGEMENT SA 0.11% of their portfolio | 4.0m $79.7m | Added +568.8k |
| FMR LLC 0.01% of their portfolio | 3.8m $75.3m | Added +221.1k |
| MACQUARIE GROUP LTD 0.09% of their portfolio | 3.7m $72.9m | Added +92.9k |
| FRANKLIN RESOURCES INC 0.04% of their portfolio | 3.5m $70.1m | Reduced -6.1k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.26% of their portfolio | 3.4m $67.7m | Reduced -166.4k |
| Bellevue Group AG 0.87% of their portfolio | 3.3m $65.5m | Added +62.5k |
| AMERIPRISE FINANCIAL INC 0.02% of their portfolio | 3.0m $59.9m | Added +94.1k |
| JANUS HENDERSON GROUP PLC 0.04% of their portfolio | 3.0m $59.9m | Reduced -3.8m |
| ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio | 2.6m $52.0m | Added +95.6k |
| MONTANOVA CAPITAL, LLC 2.12% of their portfolio | 2.5m $50.4m | Added +1.3m |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 2.5m $49.9m | Added +352.1k |
| Holocene Advisors, LP 0.26% of their portfolio | 2.1m $42.7m | Added +408.4k |
| SAMLYN CAPITAL, LLC 0.76% of their portfolio | 1.9m $38.7m | Added +751.4k |
| Polar Capital Holdings Plc 0.25% of their portfolio | 1.5m $30.8m | Added +150.0k |
| Hudson Bay Capital Management LP 0.33% of their portfolio | 1.4m $27.9m | Added +672.5k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 1.4m $27.1m | Added +413.8k |
| NORGES BANK 0.01% of their portfolio | 1.3m $26.8m | Added +177.6k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 1.3m $26.0m | Added +145.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 1.3m $26.0m | Reduced -26.4k |
| Point72 Asset Management, L.P. 0.10% of their portfolio | 1.3m $25.8m | Reduced -249.9k |
| LOOMIS SAYLES & CO L P 0.05% of their portfolio | 1.2m $24.5m | Reduced -29.4k |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 1.1m $21.1m | Added +232.4k |
| Candriam S.C.A. 0.14% of their portfolio | 1.1m $21.0m | Unchanged |
| Assenagon Asset Management S.A. 0.09% of their portfolio | 1.0m $20.9m | Reduced -595.7k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.0m $20.6m | Added +159.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 1.0m $20.1m | Added +136.2k |
| GW&K Investment Management, LLC 0.20% of their portfolio | 995.8k $19.9m | Added +755.1k |
| EMERALD ADVISERS, LLC 0.96% of their portfolio | 994.9k $19.9m | New |
| MORGAN STANLEY 0.00% of their portfolio | 976.9k $19.5m | Added +312.5k |
| BARCLAYS PLC 0.02% of their portfolio | 945.4k $18.9m | First filing |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.06% of their portfolio | 906.2k $18.1m | Added +140.3k |
| NOVO HOLDINGS A/S 1.05% of their portfolio | 840.0k $16.8m | Added +70.0k |
| AXA S.A. 0.06% of their portfolio | 768.2k $15.3m | Reduced -770.1k |
| First Light Asset Management, LLC 1.39% of their portfolio | 749.0k $15.0m | Reduced -7.4k |
| EMERALD MUTUAL FUND ADVISERS TRUST 0.92% of their portfolio | 747.1k $14.9m | New |
| EAGLE ASSET MANAGEMENT INC 0.08% of their portfolio | 711.3k $13.6m | Reduced -28.6k |
| EVENTIDE ASSET MANAGEMENT, LLC 0.28% of their portfolio | 698.4k $14.0m | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 686.5k $13.7m | Added +94.6k |
| DEERFIELD MANAGEMENT COMPANY, L.P. 0.27% of their portfolio | 664.1k $13.3m | Reduced -296.3k |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 657.6k $13.1m | Added +3.0k |
| BNP PARIBAS FINANCIAL MARKETS 0.03% of their portfolio | 530.2k $10.6m | New |
| Connor, Clark & Lunn Investment Management Ltd. 0.06% of their portfolio | 526.3k $10.5m | Added +323.5k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 525.6k $10.5m | Added +157.8k |
| SECTORAL ASSET MANAGEMENT INC 2.00% of their portfolio | 516.1k $10.3m | Added +2.0k |
| Artal Group S.A. 0.58% of their portfolio | 500.0k $10.0m | New |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 455.0k $9.1m | Added +158.4k |
| Rafferty Asset Management, LLC 0.07% of their portfolio | 436.8k $8.7m | Added +157.7k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 427.3k $8.5m | Reduced -209.7k |
| PANAGORA ASSET MANAGEMENT INC 0.05% of their portfolio | 413.7k $8.3m | Added +128.2k |
| MPM BIOIMPACT LLC 2.13% of their portfolio | 410.5k $8.2m | New |
| Lion Point Capital, LP 4.10% of their portfolio | 397.2k $7.6m | Unchanged |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 390.0k $7.8m | Added +131.5k |
| Balyasny Asset Management L.P. 0.03% of their portfolio | 382.7k $7.6m | Added +173.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 355.4k $7.1m | Added +26.7k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.22% of their portfolio | 351.0k $7.0m | Reduced -10.6k |
| TD Asset Management Inc 0.01% of their portfolio | 348.2k $7.0m | Added +2.8k |
| C WorldWide Group Holding A/S 0.09% of their portfolio | 343.1k $6.9m | Unchanged |
| Long Focus Capital Management, LLC 1.07% of their portfolio | 325.0k $6.5m | Added +55.0k |
| Swiss National Bank 0.00% of their portfolio | 322.9k $6.5m | Added +39.5k |
| SCOUT INVESTMENTS, INC. 0.13% of their portfolio | 319.1k $6.4m | Reduced -5.3k |
| TWO SIGMA ADVISERS, LP 0.02% of their portfolio | 309.0k $6.2m | Added +119.5k |
| UBS Group AG 0.00% of their portfolio | 306.9k $6.1m | Added +271.4k |
| Ensign Peak Advisors, Inc 0.01% of their portfolio | 299.2k $6.0m | Added +88.1k |
| FIL Ltd 0.01% of their portfolio | 296.2k $5.9m | Added +283.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 295.0k $5.9m | Reduced -62.9k |
| WCM INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio | 259.7k $5.2m | Reduced -3.6k |
| PUTNAM INVESTMENTS LLC 0.01% of their portfolio | 254.5k $5.1m | Added +3.7k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.28% of their portfolio | 247.6k $4.9m | Reduced -1.3k |
| Endurant Capital Management LP 1.97% of their portfolio | 243.1k $4.9m | Added +135.4k |
| California Public Employees Retirement System 0.00% of their portfolio | 236.4k $4.7m | Reduced -13.1k |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 225.8k $4.5m | Reduced -104.9k |
| LORD, ABBETT & CO. LLC 0.01% of their portfolio | 218.2k $4.4m | Added +2.0k |
| CITIGROUP INC 0.01% of their portfolio | 212.5k $4.2m | Reduced -45.9k |
| Granahan Investment Management, LLC 0.13% of their portfolio | 210.0k $4.2m | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 204.7k $4.1m | Added +18.7k |
| Woodline Partners LP 0.05% of their portfolio | 190.0k $3.8m | New |
| Sycale Advisors (NY) LLC 1.54% of their portfolio | 184.7k $3.7m | Reduced -6.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 182.4k $3.6m | Added +22.3k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 172.0k $3.4m | Added +21.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 170.3k $3.4m | Added +20.4k |
| TANG CAPITAL MANAGEMENT LLC 0.48% of their portfolio | 166.2k $3.3m | Reduced -333.8k |
| Alyeska Investment Group, L.P. 0.03% of their portfolio | 150.0k $3.0m | New |
| Weiss Multi-Strategy Advisers LLC 0.08% of their portfolio | 142.4k $2.8m | Added +52.3k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 137.6k $2.7m | Added +50.2k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 134.2k $2.7m | Added +12.5k |
| Hennion & Walsh Asset Management, Inc. 0.16% of their portfolio | 129.5k $2.6m | Reduced -25.6k |
| State of New Jersey Common Pension Fund D 0.01% of their portfolio | 126.8k $2.5m | Added +33.1k |
| SILVERARC CAPITAL MANAGEMENT, LLC 0.86% of their portfolio | 124.5k $2.5m | Reduced -99.6k |
| Legal & General Group Plc 0.00% of their portfolio | 123.9k $2.5m | Added +17.4k |
| Swedbank AB 0.01% of their portfolio | 121.3k $2.4m | Unchanged |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 115.6k $2.3m | Added +10.7k |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 114.9k $2.3m | Added +24.8k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 104.6k $2.1m | Added +90.4k |