Cerenome, Inc. (CNSY) Ownership
CNSY ownership summary
as of October 18, 2026- Institutions
- 15.7% of shares outstanding
- Insiders
- 1.98% of shares outstanding
- Shares outstanding
- 7.6M
- Float
- 7.5M shares available to trade
- Short interest
- 9.91% 749K shares short
- Days to cover
- 7.11 short interest up 14.9% vs prior month
- Institutions 15.71%
- Insiders 1.98%
- Other investors 82.31%
CNSY top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 4.02% | 305K | $518,066 | +304,745 (0.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 1.26% | 96K | $163,171 | +24,928 (+35.1%) | June 30, 2026 |
| 3 | Geode Capital Management, LLC | 1.00% | 76K | $129,464 | −4,498 (−5.6%) | June 30, 2026 |
| 4 | Vanguard Fiduciary Trust Co | 0.49% | 37K | $62,676 | +36,868 (0.0%) | June 30, 2026 |
| 5 | State Street Corp | 0.41% | 31K | $52,450 | +12,097 (+64.5%) | June 30, 2026 |
| 6 | Citadel Advisors Llc | 0.34% | 26K | $43,515 | +25,597 (0.0%) | June 30, 2026 |
| 7 | Northern Trust Corp | 0.20% | 16K | $26,377 | +3,784 (+32.3%) | June 30, 2026 |
| 8 | Virtu Financial LLC | 0.20% | 15K | $26,083 | +15,343 (0.0%) | June 30, 2026 |
| 9 | HRT FINANCIAL LLC | 0.15% | 12K | $19,740 | +11,612 (0.0%) | June 30, 2026 |
| 10 | Wells Fargo & Co | 0.08% | 6,156 | $10,465 | +6,154 (+307,700.0%) | June 30, 2026 |
| 11 | Vanguard Global Advisers, LLC | 0.03% | 2,282 | $3,879 | +2,282 (0.0%) | June 30, 2026 |
| 12 | Advisor Group Holdings, Inc. | 0.03% | 2,000 | $3,400 | +1,995 (+39,900.0%) | June 30, 2026 |
| 13 | Tower Research Capital LLC | 0.03% | 1,955 | $3,324 | +1,955 (0.0%) | June 30, 2026 |
| 14 | Allied Private Wealth LLC | 0.01% | 496 | $843 | +496 (0.0%) | June 30, 2026 |
| 15 | UBS Group AG | 0.01% | 470 | $799 | −3,044 (−86.6%) | June 30, 2026 |
| 16 | SBI Securities Co Ltd | <0.01% | 251 | $427 | +145 (+136.8%) | June 30, 2026 |
| 17 | Morgan Stanley - Brokerage Accounts | <0.01% | 185 | $314 | +185 (0.0%) | June 30, 2026 |
| 18 | Barclays PLC | <0.01% | 96 | $163 | +96 (0.0%) | June 30, 2026 |
| 19 | Mercer Global Advisors Inc. | <0.01% | 64 | $109 | +64 (0.0%) | June 30, 2026 |
| 20 | Citigroup Inc | <0.01% | 17 | $29 | −3,703 (−99.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 448K shares and 3 cut 11K.
CNSY top mutual fund and ETF holders
9 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.88% | 218K | $371,450 | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.54% | 41K | $69,918 | +5,236 (+14.6%) | August 31, 2026 |
| 3 | iShares Micro-Cap ETF | 0.36% | 27K | $45,878 | −186 (−0.7%) | September 30, 2026 |
| 4 | Fidelity Series Total Market Index | 0.17% | 13K | $21,933 | — | August 31, 2026 |
| 5 | Abante Quant Value FI | 0.14% | 11K | $18,375 | — | August 31, 2026 |
| 6 | Fidelity Total Market Index | 0.13% | 10K | $17,165 | +131 (+1.3%) | August 31, 2026 |
| 7 | Fidelity Nasdaq Composite Index | 0.04% | 2,849 | $4,843 | — | August 31, 2026 |
| 8 | Vanguard U.S. Eq Idx £ Acc | 0.03% | 2,282 | $3,879 | — | August 31, 2026 |
| 9 | 1290 VT Micro Cap K | 0.02% | 1,518 | $2,581 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CNSY shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CNSY
Institutional investors own 15.7% of Cerenome's shares and insiders 1.98%. The largest holder is Vanguard Capital Management, LLC with 4.02% of the shares (305K), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 9.91% of the float, or 7.11 days of average trading volume. The share count rose 115,166.7% since 2014.
Related: CNSY analyst forecast, CNSY key metrics. See the CNSY stock overview for the latest quote and news.
CNSY ownership FAQ
Who owns the most Cerenome stock?
The largest shareholders of Cerenome are Vanguard Capital Management, LLC (4.02%), BlackRock Inc (1.26%), Geode Capital Management, LLC (1.00%), Vanguard Fiduciary Trust Co (0.49%), State Street Corp (0.41%).
What percentage of Cerenome is owned by institutions?
Institutions hold 15.7% of Cerenome's shares outstanding; insiders hold 1.98%.
Which funds own Cerenome?
The largest fund holders of Cerenome are Vanguard MStar Total Stk Mkt Idx Invest (2.88%), Fidelity Extended Market Index (0.54%), iShares Micro-Cap ETF (0.36%), Fidelity Series Total Market Index (0.17%), Abante Quant Value FI (0.14%).
What is Cerenome's short interest?
749K shares of Cerenome were sold short, 9.91% of the float; at the average daily volume it would take 7.11 days to cover.
How many shares of Cerenome are outstanding?
Cerenome has 7.6M shares outstanding, of which 7.5M are in the public float.