Comparable stake leader
FMR LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001861107.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
13 Aug 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13D/G
13F
Company
|
15%
|
$112,632,668
5,691,393 shares
|
+$16,642,658 | 30 Jun 2026 |
| TPG GP A, LLC |
3/4/5
13D/G
13F
Former 10% Owner · Company
|
7.8%
from 13D/G
|
$75,754,015
3,765,054 shares
|
-$4,071,705 | 26 Jun 2026 |
| ABG Management Ltd. |
13D/G
ABG WTT-Ceribell Limited
|
6.8%
|
$37,375,798
2,441,267 shares
|
$0 | 31 Dec 2024 |
| Red Tree GP, LLC |
13D/G
|
6.2%
|
$33,768,670
2,205,661 shares
|
$0 | 31 Dec 2024 |
| Josef Parvizi |
3/4/5
13D/G
Director
|
5.8%
from 13D/G
|
$36,797,271
2,007,489 shares
|
-$2,121,763 | 02 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5%
from 13D/G
|
$37,657,010
1,936,093 shares
|
— | 30 Jun 2026 |
| Xingjuan Chao |
13D/G
3/4/5
President and CEO, Director
|
4.9%
|
$36,251,064
1,893,995 shares
|
-$1,784,518 | 31 Mar 2026 |
| Global Value Investment Portfolio Management Pte Ltd |
13D/G
The Global Value Investment Portfolio Management Pte Ltd
|
4.2%
|
$30,090,874
1,572,146 shares
|
-$15,239,249 | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$30,224,246.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 250,225 | $0 | $5,728,234 | -$5,728,234 |
| 3-6 | 0 | 764,430 | $0 | $15,193,654 | -$15,193,654 |
| 6-9 | 3,025 | 262,025 | $55,236 | $5,336,772 | -$5,281,536 |
| 9-12 | 0 | 227,156 | $0 | $4,020,822 | -$4,020,822 |
Reporting owners
Showing 1-18 of 18 reporting-owner rows connected to Ceribell, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| TPG GP A, LLC | Former 10% Owner | $75,754,015 | -$4,071,705 | -5.1% | Filing P/S | 26 Jun 2026 |
| James G. Coulter | Former 10% Owner | $75,754,015 | -$4,071,705 | -5.1% | Filing P/S | 26 Jun 2026 |
| Jon Winkelried | Former 10% Owner | $75,754,015 | -$4,071,705 | -5.1% | Filing P/S | 26 Jun 2026 |
| Bakker Juliet Tammenoms | Director | $45,795,561 | Mixed | 02 Jun 2026 | ||
| Josef Parvizi | Director | $36,797,271 | -$2,121,763 | -5.5% | Mixed | 02 Jun 2026 |
| Xingjuan Chao | President and CEO, Director | $25,859,776 | -$11,127,309 | -30% | Mixed | 15 Sep 2026 |
| Raymond Woo | Chief Technology Officer | $4,941,860 | -$1,617,326 | -25% | Filing P/S | 08 Sep 2026 |
| Scott Blumberg | Chief Financial Officer | $3,665,000 | -$978,496 | -21% | Filing P/S | 15 Sep 2026 |
| Joseph S. Manni | Chief Revenue Officer | $1,344,063 | -$72,694 | -5.1% | Filing P/S | 21 Aug 2026 |
| Joseph M. Taylor | Director | $1,134,385 | -$407,678 | -26% | Filing P/S | 13 Aug 2026 |
| David Foehr | Senior VP, Finance and PAO | $827,992 | -$736,176 | -47% | Filing P/S | 08 Sep 2026 |
| Erica J. Rogers | Director | $605,879 | Mixed | 02 Jun 2026 | ||
| Rebecca B. Robertson | Director | $487,339 | -$183,232 | -27% | Mixed | 02 Jun 2026 |
| William W. Burke | Director | $456,756 | -$764,457 | -63% | Filing P/S | 30 Jun 2026 |
| Sharon O'Keefe | Director | $311,413 | Median | 28 Jul 2026 | ||
| Thomas A. West | Director | $311,413 | Median | 28 Jul 2026 | ||
| Joshua Copp | Chief Business Officer | Mixed | 10 Oct 2024 | |||
| Lucian Iancovici | Director | Mixed | 10 Oct 2024 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Xingjuan Chao | CBLL | Common Stock | Sale | -2.72% | $521,775 | $25.03 | -20,846 | 746,345 | 15 Sep 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Sale | -0.57% | $21,150 | $25.00 | -846 | 146,600 | 15 Sep 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Options Exercise | 0.58% | 846 | 147,446 | 15 Sep 2026 | Direct | ||
| Scott Blumberg | CBLL | Stock Option (Right to Buy) | Options Exercise | -1.61% | -846 | 51,802 | 15 Sep 2026 | Direct | ||
| David Foehr | CBLL | Common Stock | Options Exercise | 22% | 7,500 | 41,644 | 08 Sep 2026 | Direct | ||
| David Foehr | CBLL | Common Stock | Sale | -21.3% | $224,451 | $24.25 | -9,255 | 34,144 | 08 Sep 2026 | Direct |
| David Foehr | CBLL | Stock Option (Right to Buy) | Options Exercise | -14.2% | -7,500 | 45,385 | 08 Sep 2026 | Direct | ||
| Raymond Woo | CBLL | Common Stock | Sale | -2.35% | $118,901 | $24.33 | -4,887 | 203,118 | 08 Sep 2026 | Direct |
| Raymond Woo | CBLL | Common Stock | Options Exercise | 6.82% | 13,276 | 208,005 | 08 Sep 2026 | Direct | ||
| Raymond Woo | CBLL | Stock Option (Right to Buy) | Options Exercise | -100% | -13,276 | 0 | 08 Sep 2026 | Direct | ||
| Xingjuan Chao | CBLL | Common Stock | Sale | -4.9% | $973,079 | $24.61 | -39,540 | 767,191 | 02 Sep 2026 | Direct |
| Xingjuan Chao | CBLL | Common Stock | Options Exercise | 3.2% | 25,000 | 806,731 | 02 Sep 2026 | Direct | ||
| Xingjuan Chao | CBLL | Stock Option (Right to Buy) | Options Exercise | -44.8% | -25,000 | 30,815 | 02 Sep 2026 | Direct | ||
| Scott Blumberg | CBLL | Common Stock | Sale | -0.44% | $16,300 | $25.00 | -652 | 146,600 | 02 Sep 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Options Exercise | 0.44% | 652 | 147,252 | 02 Sep 2026 | Direct | ||
| Scott Blumberg | CBLL | Stock Option (Right to Buy) | Options Exercise | -1.22% | -652 | 52,648 | 02 Sep 2026 | Direct | ||
| David Foehr | CBLL | Common Stock | Sale | -2.34% | $20,573 | $23.95 | -859 | 35,899 | 24 Aug 2026 | Direct |
| Joseph S. Manni | CBLL | Common Stock | Sale | -2.37% | $32,691 | $24.02 | -1,361 | 55,956 | 21 Aug 2026 | Direct |
| David Foehr | CBLL | Common Stock | Sale | -2.63% | $23,852 | $24.02 | -993 | 36,758 | 21 Aug 2026 | Direct |
| Raymond Woo | CBLL | Common Stock | Sale | -1.01% | $47,536 | $24.02 | -1,979 | 194,729 | 21 Aug 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Sale | -1.03% | $36,534 | $24.02 | -1,521 | 146,600 | 21 Aug 2026 | Direct |
| Xingjuan Chao | CBLL | Common Stock | Sale | -0.77% | $145,753 | $24.02 | -6,068 | 781,731 | 21 Aug 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Sale | -18.4% | $838,805 | $25.03 | -33,512 | 148,121 | 19 Aug 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Options Exercise | 22.6% | 33,512 | 181,633 | 19 Aug 2026 | Direct | ||
| Scott Blumberg | CBLL | Stock Option (Right to Buy) | Options Exercise | -47.4% | -33,512 | 37,224 | 19 Aug 2026 | Direct | ||
| Xingjuan Chao | CBLL | Common Stock | Sale | -3.83% | $786,317 | $25.03 | -31,415 | 787,799 | 19 Aug 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Sale | -0.66% | $24,750 | $25.00 | -990 | 148,121 | 18 Aug 2026 | Direct |
| Scott Blumberg | CBLL | Common Stock | Options Exercise | 0.67% | 990 | 149,111 | 18 Aug 2026 | Direct | ||
| Scott Blumberg | CBLL | Stock Option (Right to Buy) | Options Exercise | -2.23% | -990 | 43,403 | 18 Aug 2026 | Direct | ||
| Xingjuan Chao | CBLL | Common Stock | Sale | -0.27% | $54,975 | $25.00 | -2,199 | 819,214 | 18 Aug 2026 | Direct |
| Xingjuan Chao | CBLL | Common Stock | Options Exercise | 4.2% | 33,096 | 821,413 | 13 Aug 2026 | Direct | ||
| Xingjuan Chao | CBLL | Stock Option (Right to Buy) | Options Exercise | -100% | -33,096 | 0 | 13 Aug 2026 | Direct | ||
| Joseph M. Taylor | CBLL | Common Stock | Sale | -21.3% | $306,423 | $23.40 | -13,095 | 48,478 | 13 Aug 2026 | Direct |
| Xingjuan Chao | CBLL | Common Stock | Sale | -4.71% | $714,480 | $18.32 | -39,000 | 788,317 | 03 Aug 2026 | Direct |
| Xingjuan Chao | CBLL | Common Stock | Options Exercise | 3.12% | 25,000 | 827,317 | 03 Aug 2026 | Direct | ||
| Xingjuan Chao | CBLL | Stock Option (Right to Buy) | Options Exercise | -31.5% | -25,000 | 54,369 | 03 Aug 2026 | Direct | ||
| Thomas A. West | CBLL | Common Stock | Award | 16,011 | 16,011 | 28 Jul 2026 | Direct | |||
| Sharon O'Keefe | CBLL | Common Stock | Award | 16,011 | 16,011 | 28 Jul 2026 | Direct | |||
| Xingjuan Chao | CBLL | Common Stock | Options Exercise | 3.12% | 25,000 | 825,871 | 07 Jul 2026 | Direct | ||
| Xingjuan Chao | CBLL | Common Stock | Sale | -4.64% | $776,100 | $19.90 | -39,000 | 802,317 | 07 Jul 2026 | Direct |
| Xingjuan Chao | CBLL | Stock Option (Right to Buy) | Options Exercise | -24.3% | -25,000 | 77,923 | 07 Jul 2026 | Direct | ||
| William W. Burke | CBLL | Common Stock | Sale | -8.75% | $43,787 | $19.84 | -2,207 | 23,022 | 30 Jun 2026 | Direct |
| TPG GP A, LLC | CBLL | Common Stock | Sale | -5.1% | $4,071,705 | $20.12 | -202,368 | 3,765,054 | 26 Jun 2026 | See Explanation of Responses |
| TPG GP A, LLC | CBLL | Common Stock | Sale | -5.1% | $4,071,705 | $20.12 | -202,368 | 3,765,054 | 26 Jun 2026 | See Explanation of Responses |
| Tpg Gp A, Llc | CBLL | Common Stock | Sale | -5.1% | $4,071,705 | $20.12 | -202,368 | 3,765,054 | 26 Jun 2026 | See Explanation of Responses |
| Joseph M. Taylor | CBLL | Common Stock | Sale | -8.2% | $101,255 | $18.41 | -5,500 | 61,573 | 11 Jun 2026 | Direct |
| Xingjuan Chao | CBLL | Common Stock | Options Exercise | 3.07% | 25,000 | 839,871 | 08 Jun 2026 | Direct | ||
| Xingjuan Chao | CBLL | Common Stock | Sale | -4.56% | $714,870 | $18.33 | -39,000 | 816,317 | 08 Jun 2026 | Direct |
| Xingjuan Chao | CBLL | Stock Option (Right to Buy) | Options Exercise | -19.8% | -25,000 | 101,477 | 08 Jun 2026 | Direct | ||
| Juliet Tammenoms Bakker | CBLL | Common Stock | Award | 50.7% | 7,838 | 23,284 | 02 Jun 2026 | Direct |