CeriBell Inc
CBLL
123 hedge funds and large institutions have $594M invested in CeriBell Inc in 2026 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 56 increasing their positions, 36 reducing their positions, and 13 closing their positions.
56% more repeat investments, than reductions
Existing positions increased: 56 | Existing positions reduced: 36
23% more first-time investments, than exits
New positions opened: 16 | Existing positions closed: 13
8% more capital invested
Capital invested by funds: $548M → $594M (+$46.4M)
1.11% more ownership
Funds ownership: 79.35% → 80.46% (+1.1%)
1% more funds holding
Funds holding: 122 → 123 (+1)
17% less funds holding in top 10
Funds holding in top 10: 6 → 5 (-1)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $4K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$16M |
| 2 |
Millennium Management
New York
|
+$3.33M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
+$2.72M |
| 4 |
Jane Street
New York
|
+$2.51M |
| 5 |
BlackRock
New York
|
+$2.33M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KC
KCM Capital
Shawnee,
Kansas
|
-$5.22M |
| 2 |
Bank of New York Mellon
New York
|
-$5.02M |
| 3 |
Two Sigma Investments
New York
|
-$4.1M |
| 4 |
YF
Yu Fan
|
-$3.93M |
| 5 |
TGA
TPG GP A
Fort Worth,
Texas
|
-$3.92M |
CBLL Hedge Fund Activity: Q2 2026 in Review
123 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in CeriBell Inc (CBLL) for Q2 2026, worth a combined $594M — up 8.5% from $548M a quarter earlier.
Buyers outnumbered sellers: 16 funds opened new CBLL positions and 13 closed out — a net gain of 3 holders — while 56 added to existing stakes and 36 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $16M. The largest seller was KCM Capital, cutting an estimated $5.22M.
- 123 institutional investors held CeriBell Inc (CBLL) as of Q2 2026, up from 122 in Q1 2026.
- Funds reported $594M of CeriBell Inc stock for Q2 2026, up 8.5% quarter-over-quarter.
- 16 funds opened new CeriBell Inc positions in Q2 2026 and 13 closed out, a net change of +3 holders.
- The largest CeriBell Inc buyer in Q2 2026 was Fidelity Investments, an estimated $16M added.
- The largest CeriBell Inc seller in Q2 2026 was KCM Capital, an estimated $5.22M sold.
Based on aggregated 13F filings for Q2 2026.