CeriBell, Inc (CBLL) Ownership
CBLL ownership summary
as of October 18, 2026- Institutions
- 90.8% of shares outstanding
- Insiders
- 11.84% of shares outstanding
- Shares outstanding
- 38.4M
- Float
- 26.5M shares available to trade
- Short interest
- 8.06% 2.0M shares short
- Days to cover
- 5.70 short interest up 10.9% vs prior month
- Institutions 90.76%
- Insiders 11.84%
CBLL top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 14.83% | 5.7M | $142.5M | +840,962 (+17.3%) | June 30, 2026 |
| 2 | TPG GP A, LLC | 9.80% | 3.8M | $94.2M | −206,268 (−5.2%) | June 30, 2026 |
| 3 | Red Tree Management, LLC | 5.75% | 2.2M | $55.2M | — | June 30, 2026 |
| 4 | BlackRock Inc | 5.04% | 1.9M | $48.5M | +122,938 (+6.8%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 2.95% | 1.1M | $28.3M | −6,786 (−0.6%) | June 30, 2026 |
| 6 | KCM Capital Inc | 2.93% | 1.1M | $28.2M | −275,000 (−19.6%) | June 30, 2026 |
| 7 | Federated Hermes Inc | 2.45% | 940K | $23.5M | +136 (+0.0%) | June 30, 2026 |
| 8 | Franklin Templeton Inc | 2.39% | 918K | $23.0M | +108,835 (+13.4%) | June 30, 2026 |
| 9 | Adage Capital Partners Gp LLC | 2.35% | 900K | $22.5M | +143,249 (+18.9%) | June 30, 2026 |
| 10 | Bank of New York Mellon Corp | 2.34% | 896K | $22.4M | −264,279 (−22.8%) | June 30, 2026 |
| 11 | TimesSquare Capital Management, LLC | 2.03% | 781K | $19.5M | +64,084 (+8.9%) | June 30, 2026 |
| 12 | Millennium Management LLC | 1.89% | 727K | $18.2M | +175,204 (+31.7%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 1.74% | 668K | $16.7M | +56,157 (+9.2%) | June 30, 2026 |
| 14 | Royce & Associates, LP | 1.58% | 605K | $15.1M | +89,290 (+17.3%) | June 30, 2026 |
| 15 | State Street Corp | 1.43% | 547K | $13.7M | +21,603 (+4.1%) | June 30, 2026 |
| 16 | Silvercrest Asset Management Group LLC | 1.22% | 469K | $11.7M | −20,936 (−4.3%) | June 30, 2026 |
| 17 | Massachusetts Financial Services Company | 1.02% | 390K | $9.8M | −118,815 (−23.4%) | June 30, 2026 |
| 18 | Redmile Group, LLC | 1.01% | 387K | $9.7M | — | June 30, 2026 |
| 19 | JPMorgan Chase & Co | 0.90% | 345K | $8.6M | +57,946 (+20.2%) | June 30, 2026 |
| 20 | Yu Fan | 0.89% | 342K | $8.6M | −207,050 (−37.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 1.7M shares and 7 cut 1.1M.
CBLL top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Small Cap Growth | 4.27% | 1.6M | $41.0M | — | July 31, 2026 |
| 2 | Fidelity Stock Selector Small Cap | 2.61% | 1.0M | $25.1M | +235 (+0.0%) | July 31, 2026 |
| 3 | Federated Hermes Kaufmann Small Cap A | 2.45% | 939K | $23.5M | — | June 30, 2026 |
| 4 | Vanguard MStar Total Stk Mkt Idx Invest | 2.22% | 850K | $21.3M | — | August 31, 2026 |
| 5 | Fidelity Small Cap Growth K6 | 2.16% | 831K | $20.8M | — | July 31, 2026 |
| 6 | Franklin Small Cap Growth Adv | 1.95% | 750K | $18.8M | — | August 31, 2026 |
| 7 | Fidelity Series Small Cap Opps | 1.92% | 737K | $18.5M | — | July 31, 2026 |
| 8 | iShares Russell 2000 ETF | 1.87% | 718K | $18.0M | −8,256 (−1.1%) | September 30, 2026 |
| 9 | Polar Capital Healthcare Opports Inc | 1.30% | 501K | $12.5M | +500,840 (0.0%) | August 31, 2026 |
| 10 | Fidelity Select Medical Tech and Devcs | 1.11% | 425K | $10.6M | +8,700 (+2.1%) | August 31, 2026 |
| 11 | MFS New Discovery I | 0.96% | 370K | $9.3M | — | August 31, 2026 |
| 12 | Fidelity Small Cap Index | 0.78% | 301K | $7.5M | +2,527 (+0.8%) | July 31, 2026 |
| 13 | Royce Small-Cap Opportunity Invmt | 0.74% | 286K | $7.1M | +19,991 (+7.5%) | June 30, 2026 |
| 14 | FTGF RY US SmCp Opp A USD Dis(A) | 0.74% | 285K | $7.1M | −12,083 (−4.1%) | August 31, 2026 |
| 15 | iShares Russell 2000 Growth ETF | 0.67% | 255K | $6.4M | −323 (−0.1%) | September 30, 2026 |
| 16 | Fidelity Growth Company Fund | 0.65% | 248K | $6.2M | — | August 31, 2026 |
| 17 | BNP Paribas Health Cr Innovtr Cl Cap | 0.51% | 195K | $4.9M | +194,761 (0.0%) | August 31, 2026 |
| 18 | AST Small-Cap Equity Portfolio | 0.47% | 179K | $4.5M | +2,920 (+1.7%) | August 31, 2026 |
| 19 | Vanguard Russell 2000 ETF | 0.41% | 158K | $4.0M | +3,660 (+2.4%) | August 31, 2026 |
| 20 | Allspring Small Company Growth A | 0.40% | 153K | $3.8M | +7,770 (+5.4%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CBLL insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-06 | Xingjuan Chao | Sell | $18.40 | 39,000 | $717,600 |
| 2026-04-01 | Raymond Woo | Sell | $18.56 | 11,112 | $206,239 |
| 2026-03-03 | Rebecca B Robertson | Sell | $17.80 | 827 | $14,721 |
| 2026-03-03 | Xingjuan Chao | Sell | $17.45 | 39,000 | $680,550 |
| 2026-03-03 | David Foehr | Sell | $17.80 | 4,560 | $81,168 |
| 2026-03-02 | Raymond Woo | Sell | $18.25 | 8,087 | $147,588 |
| 2026-02-24 | David Foehr | Sell | $19.98 | 781 | $15,604 |
| 2026-02-23 | Xingjuan Chao | Sell | $19.79 | 2,084 | $41,242 |
| 2026-02-23 | Scott Blumberg | Sell | $19.79 | 808 | $15,990 |
| 2026-02-23 | Raymond Woo | Sell | $19.79 | 705 | $13,952 |
| 2026-02-23 | Joseph S Manni | Sell | $19.79 | 768 | $15,199 |
| 2026-02-23 | David Foehr | Sell | $19.79 | 569 | $11,261 |
| 2026-02-19 | Josef Parvizi | Sell | $20.27 | 16,714 | $338,793 |
| 2026-02-03 | David Foehr | Sell | $20.00 | 5,556 | $111,120 |
| 2026-01-15 | Josef Parvizi | Sell | $22.94 | 25,000 | $573,500 |
| 2026-01-05 | David Foehr | Sell | $22.60 | 5,556 | $125,566 |
| 2026-01-05 | Xingjuan Chao | Sell | $21.27 | 79,000 | $1.7M |
| 2026-01-02 | Raymond Woo | Sell | $21.18 | 11,112 | $235,352 |
| 2026-01-02 | Rebecca B Robertson | Sell | $21.89 | 2,500 | $54,725 |
| 2025-12-22 | Scott Blumberg | Sell | $21.00 | 36,000 | $756,000 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CBLL shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CBLL
Institutional investors own 90.8% of CeriBell's shares and insiders 11.84%. The largest holder is FMR Inc with 14.83% of the shares (5.7M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 7 reduced their stake in the latest filings. Short interest is 8.06% of the float, or 5.70 days of average trading volume. The share count rose 59.6% since 2023.
Related: CBLL analyst forecast, CBLL key metrics. See the CBLL stock overview for the latest quote and news.
CBLL ownership FAQ
Who owns the most CeriBell stock?
The largest shareholders of CeriBell are FMR Inc (14.83%), TPG GP A, LLC (9.80%), Red Tree Management, LLC (5.75%), BlackRock Inc (5.04%), Vanguard Capital Management, LLC (2.95%).
What percentage of CeriBell is owned by institutions?
Institutions hold 90.8% of CeriBell's shares outstanding; insiders hold 11.84%.
Which funds own CeriBell?
The largest fund holders of CeriBell are Fidelity Small Cap Growth (4.27%), Fidelity Stock Selector Small Cap (2.61%), Federated Hermes Kaufmann Small Cap A (2.45%), Vanguard MStar Total Stk Mkt Idx Invest (2.22%), Fidelity Small Cap Growth K6 (2.16%).
What is CeriBell's short interest?
2.0M shares of CeriBell were sold short, 8.06% of the float; at the average daily volume it would take 5.70 days to cover.
Are insiders buying or selling CeriBell?
Of the latest 20 reported insider transactions in CeriBell (since December 22, 2025), 0 were purchases and 20 were sales.
How many shares of CeriBell are outstanding?
CeriBell has 38.4M shares outstanding, of which 26.5M are in the public float.