VivoSim Labs, Inc. (VIVS) Ownership
VIVS ownership summary
as of October 18, 2026- Institutions
- 11.1% of shares outstanding
- Insiders
- 2.67% of shares outstanding
- Shares outstanding
- 16.6M
- Float
- 14.5M shares available to trade
- Short interest
- 4.27% 708K shares short
- Days to cover
- 0.78 short interest up 25.4% vs prior month
- Institutions 11.09%
- Insiders 2.67%
- Other investors 86.25%
VIVS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Geode Capital Management, LLC | 0.16% | 26K | $4,156 | −10,874 (−29.5%) | June 30, 2026 |
| 2 | Renaissance Technologies Corp | 0.11% | 18K | $2,960 | +18,500 (0.0%) | June 30, 2026 |
| 3 | HRT FINANCIAL LLC | 0.11% | 18K | $2,931 | +18,319 (0.0%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 0.09% | 15K | $2,459 | — | June 30, 2026 |
| 5 | BlackRock Inc | 0.07% | 12K | $1,891 | — | June 30, 2026 |
| 6 | Vanguard Fiduciary Trust Co | 0.04% | 7,003 | $1,120 | — | June 30, 2026 |
| 7 | Tower Research Capital LLC | 0.03% | 5,249 | $840 | +2,941 (+127.4%) | June 30, 2026 |
| 8 | SBI Securities Co Ltd | <0.01% | 221 | $35 | — | June 30, 2026 |
| 9 | Larson Financial Group, LLC | <0.01% | 166 | $27 | — | June 30, 2026 |
| 10 | Albion Financial Group (Utah) | <0.01% | 159 | $25 | — | June 30, 2026 |
| 11 | Wells Fargo & Co | <0.01% | 111 | $18 | — | June 30, 2026 |
| 12 | Advisor Group Holdings, Inc. | <0.01% | 84 | $13 | −11 (−11.6%) | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | <0.01% | 49 | $8 | −1 (−2.0%) | June 30, 2026 |
| 14 | UBS Group AG | <0.01% | 18 | $3 | −934 (−98.1%) | June 30, 2026 |
| 15 | Caitong International Asset Management Co., Limited. | <0.01% | 17 | $3 | +14 (+466.7%) | June 30, 2026 |
| 16 | IFG Advisory, LLC | <0.01% | 14 | $2 | +14 (0.0%) | June 30, 2026 |
| 17 | Integrated Wealth Concepts LLC | 0.00% | 8 | $1 | +8 (0.0%) | June 30, 2026 |
| 18 | Rockefeller Capital Management L.P. | 0.00% | 2 | $0 | — | June 30, 2026 |
| 19 | Royal Bank of Canada | 0.00% | 2 | $0 | — | March 31, 2026 |
| 20 | Golden State Wealth Management, LLC | 0.00% | 2 | $0 | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 6 holders added 40K shares and 4 cut 12K.
VIVS top mutual fund and ETF holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.08% | 14K | $2,187 | — | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.02% | 4,055 | $649 | — | August 31, 2026 |
| 3 | Fidelity Total Market Index | 0.01% | 991 | $159 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
VIVS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns VIVS
Institutional investors own 11.1% of VivoSim Labs's shares and insiders 2.67%. The largest holder is Geode Capital Management, LLC with 0.16% of the shares (26K), as of June 30, 2026. Among the top 20 institutions, 6 added shares and 4 reduced their stake in the latest filings. Short interest is 4.27% of the float, or 0.78 days of average trading volume. The share count rose 336.4% since 2014.
Related: VIVS analyst forecast, VIVS key metrics. See the VIVS stock overview for the latest quote and news.
VIVS ownership FAQ
Who owns the most VivoSim Labs stock?
The largest shareholders of VivoSim Labs are Geode Capital Management, LLC (0.16%), Renaissance Technologies Corp (0.11%), HRT FINANCIAL LLC (0.11%), Vanguard Capital Management, LLC (0.09%), BlackRock Inc (0.07%).
What percentage of VivoSim Labs is owned by institutions?
Institutions hold 11.1% of VivoSim Labs's shares outstanding; insiders hold 2.67%.
Which funds own VivoSim Labs?
The largest fund holders of VivoSim Labs are Fidelity Extended Market Index (0.08%), Fidelity Series Total Market Index (0.02%), Fidelity Total Market Index (0.01%).
What is VivoSim Labs's short interest?
708K shares of VivoSim Labs were sold short, 4.27% of the float; at the average daily volume it would take 0.78 days to cover.
How many shares of VivoSim Labs are outstanding?
VivoSim Labs has 16.6M shares outstanding, of which 14.5M are in the public float.