# INSMED INC COMMON

INSMED INC COMMON is a security (CUSIP 457669307) tracked across SEC portfolio filings. 697 institutional managers reported $33.9B on Form 13F as of 2026-06-30; 81 registered fund positions totaling $3.4B via N-PORT as of 2026-05-31.

## Summary

- Issuer: INSMED INC
- Class: COMMON
- CUSIP: 457669307
- Asset category: EC
- 13F holders: 697
- 13F value: $33.9B
- 13F period: 2026-06-30
- N-PORT fund positions: 81
- N-PORT value: $3.4B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 697 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| JPMORGAN CHASE & CO | NEW YORK, NY | $3.7B | 24,150,499 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.7B | 21,076,344 |
| BlackRock, Inc. | New York, NY | $2.7B | 16,678,146 |
| [Darwin Global Management, Ltd.](https://search.stillhousedata.com/firm/312512) | ST. HELIER, Y9 | $2.6B | 16,805,184 |
| FMR LLC | BOSTON, MA | $2.2B | 13,160,167 |
| [BAKER BROS. ADVISORS LP](https://search.stillhousedata.com/firm/158149) | NEW YORK, NY | $1.2B | 7,421,111 |
| [Artisan Partners Limited Partnership](https://search.stillhousedata.com/firm/150114) | Milwaukee, WI | $1.1B | 6,527,301 |
| D. E. Shaw & Co., Inc. | New York, NY | $922.7M | 5,625,825 |
| Capital International Investors | Los Angeles, CA | $914.9M | 5,595,194 |
| STATE STREET CORP | BOSTON, MA | $907.8M | 5,551,699 |
| [RTW INVESTMENTS, LP](https://search.stillhousedata.com/firm/153232) | NEW YORK, NY | $791.9M | 4,842,880 |
| Invesco Ltd. | ATLANTA, GA | $739.8M | 4,523,921 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $733.3M | 4,450,389 |
| FRANKLIN RESOURCES INC | San Mateo, CA | $428.0M | 2,617,251 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $427.3M | 2,182,571 |

## Top fund holders (N-PORT)

_Showing 15 of 81 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Invesco QQQ Trust, Series 1](https://search.stillhousedata.com/fund/S000101292) | Invesco QQQ Trust, Series 1 | $742.5M | 19.93% |
| [Growth Fund of America](https://search.stillhousedata.com/fund/S000009228) | Growth Fund of America | $668.7M | 18.53% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $389.3M | 47.77% |
| [JPMorgan Growth Advantage Fund](https://search.stillhousedata.com/fund/S000004474) | J.P. Morgan Mutual Fund Investment Trust | $246.0M | 121.90% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $148.5M | 9.41% |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $140.0M | 17.27% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $114.9M | 105.48% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $96.5M | 75.58% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $96.2M | 44.19% |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $60.6M | 6.13% |
| [Artisan Global Opportunities Fund](https://search.stillhousedata.com/fund/S000023270) | Artisan Partners Funds Inc. | $59.3M | 388.69% |
| [Columbia Acorn Fund](https://search.stillhousedata.com/fund/S000009184) | COLUMBIA ACORN TRUST | $55.0M | 244.98% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $47.4M | 111.30% |
| [T. Rowe Price All-Cap Opportunities Fund](https://search.stillhousedata.com/fund/S000002104) | T. Rowe Price All-Cap Opportunities Fund, Inc. | $44.2M | 30.80% |
| [Fidelity Advisor Health Care Fund](https://search.stillhousedata.com/fund/S000005329) | Fidelity Advisor Series VII | $43.4M | 150.17% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/457669307.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.