Korsana Biosciences, Inc. (KRSA) Ownership
KRSA ownership summary
as of October 18, 2026- Institutions
- 40.1% of shares outstanding
- Insiders
- 0.34% of shares outstanding
- Shares outstanding
- 45.5M
- Float
- 4.3M shares available to trade
- Short interest
- — 12K shares short
- Days to cover
- 0.14 short interest up 160.1% vs prior month
- Institutions 40.12%
- Insiders 0.34%
- Other investors 59.54%
KRSA top mutual fund and ETF holders
14 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Growth Company Fund | 0.48% | 218K | $7.1M | +217,988 (0.0%) | August 31, 2026 |
| 2 | Fidelity Growth Company K6 | 0.13% | 61K | $2.0M | +60,677 (0.0%) | August 31, 2026 |
| 3 | Fidelity Series Growth Company | 0.13% | 57K | $1.9M | +57,300 (0.0%) | August 31, 2026 |
| 4 | Fidelity Select Health Care | 0.08% | 37K | $1.2M | +37,455 (0.0%) | August 31, 2026 |
| 5 | Fidelity Extended Market Index | 0.04% | 17K | $561,275 | +17,334 (0.0%) | August 31, 2026 |
| 6 | Fidelity Advisor Health Care I | 0.03% | 15K | $492,176 | +15,200 (0.0%) | August 31, 2026 |
| 7 | Fidelity VIP Health Care Initial | 0.01% | 6,200 | $200,756 | +6,200 (0.0%) | August 31, 2026 |
| 8 | Fidelity Series Total Market Index | 0.01% | 3,367 | $109,023 | +3,367 (0.0%) | August 31, 2026 |
| 9 | Fidelity Nasdaq Composite ETF | 0.01% | 3,045 | $98,597 | — | September 30, 2026 |
| 10 | LUX IM Global Medtech HX | 0.01% | 2,346 | $75,963 | +2,346 (0.0%) | September 30, 2026 |
| 11 | Fidelity Total Market Index | 0.01% | 2,260 | $73,179 | +2,260 (0.0%) | August 31, 2026 |
| 12 | Dimensional US Sustainability Core 1 ETF | <0.01% | 474 | $15,348 | — | September 30, 2026 |
| 13 | Dimensional US Core Equity 2 ETF | <0.01% | 312 | $10,103 | — | September 30, 2026 |
| 14 | Dimensional US Core Equity 1 ETF | <0.01% | 106 | $3,432 | — | September 24, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
KRSA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns KRSA
Institutional investors own 40.1% of Korsana Biosciences's shares and insiders 0.34%. The share count rose 135.4% since 2017.
Related: KRSA analyst forecast, KRSA key metrics. See the KRSA stock overview for the latest quote and news.
KRSA ownership FAQ
What percentage of Korsana Biosciences is owned by institutions?
Institutions hold 40.1% of Korsana Biosciences's shares outstanding; insiders hold 0.34%.
Which funds own Korsana Biosciences?
The largest fund holders of Korsana Biosciences are Fidelity Growth Company Fund (0.48%), Fidelity Growth Company K6 (0.13%), Fidelity Series Growth Company (0.13%), Fidelity Select Health Care (0.08%), Fidelity Extended Market Index (0.04%).
How many shares of Korsana Biosciences are outstanding?
Korsana Biosciences has 45.5M shares outstanding, of which 4.3M are in the public float.