CeriBell Inc
CBLL
122 hedge funds and large institutions have $548M invested in CeriBell Inc in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 47 increasing their positions, 32 reducing their positions, and 15 closing their positions.
67% more first-time investments, than exits
New positions opened: 25 | Existing positions closed: 15
47% more repeat investments, than reductions
Existing positions increased: 47 | Existing positions reduced: 32
20% more funds holding in top 10
Funds holding in top 10: 5 → 6 (+1)
5% more funds holding
Funds holding: 116 → 122 (+6)
4.29% more ownership
Funds ownership: 75.06% → 79.35% (+4.3%)
10% less capital invested
Capital invested by funds: $611M → $548M (-$63.1M)
99% less call options, than puts
Call options by funds: $2K | Put options by funds: $352K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$18.5M |
| 2 |
KC
KCM Capital
Shawnee,
Kansas
|
+$8.04M |
| 3 |
Millennium Management
New York
|
+$7.1M |
| 4 |
Franklin Resources
San Mateo,
California
|
+$5.75M |
| 5 |
Adage Capital Partners
Boston,
Massachusetts
|
+$5.16M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DSCM
Divisadero Street Capital Management
Miami,
Florida
|
-$4.13M |
| 2 |
HF
HRT Financial
New York
|
-$2.41M |
| 3 |
BNP Paribas Financial Markets
Paris,
France
|
-$2.36M |
| 4 |
JP Morgan Chase
New York
|
-$2.03M |
| 5 |
TCM
TimesSquare Capital Management
New York
|
-$1.44M |
CBLL Hedge Fund Activity: Q1 2026 in Review
122 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in CeriBell Inc (CBLL) for Q1 2026, worth a combined $548M — down 10% from $611M a quarter earlier.
Buyers outnumbered sellers: 25 funds opened new CBLL positions and 15 closed out — a net gain of 10 holders — while 47 added to existing stakes and 32 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $18.5M. The largest seller was Divisadero Street Capital Management, exiting entirely with an estimated $4.13M sold.
- 122 institutional investors held CeriBell Inc (CBLL) as of Q1 2026, up from 116 in Q4 2025.
- Funds reported $548M of CeriBell Inc stock for Q1 2026, down 10% quarter-over-quarter.
- 25 funds opened new CeriBell Inc positions in Q1 2026 and 15 closed out, a net change of +10 holders.
- The largest CeriBell Inc buyer in Q1 2026 was Fidelity Investments, an estimated $18.5M added.
- The largest CeriBell Inc seller in Q1 2026 was Divisadero Street Capital Management, an estimated $4.13M sold.
Based on aggregated 13F filings for Q1 2026.