John Overdeck’s CeriBell Inc CBLL Stock Holding History

John Overdeck’s Portfolio CBLL Stock Details CBLL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.14M	Sell	109,867 -216,165	-66%	-$4.1M	﹤0.01%	2940
2026 Q1	$5.98M	Sell	326,032 -17,608	-5%	-$354K	﹤0.01%	1811
2025 Q4	$7.54M	Buy	343,640 +45,677	+15%	+$709K	0.01%	1335
2025 Q3	$3.42M	Buy	297,963 +133,324	+81%	+$1.8M	0.01%	1757
2025 Q2	$3.08M	Buy	+164,639	New	+$2.8M	0.01%	1541

Other funds holding CBLL

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

TGA

TPG GP A Fort Worth, Texas $5B AUM 58.56% 1-Year Est. Return

RTM

Red Tree Management Redwood City, California $147M AUM 202.18% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

KCM Capital Shawnee, Kansas $618M AUM

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

John Overdeck's CBLL Position: Q2 2026 in Review

John Overdeck reduced its CeriBell Inc (CBLL) stake by 66% in Q2 2026, selling an estimated $4.1M and leaving 109,867 shares worth $2.14M. The position accounts for ﹤0.01% of the portfolio, ranked #2940.

John Overdeck first reported a position in CBLL in Q2 2025 and has held it in 5 quarters since. The position peaked at $7.54M in Q4 2025. 122 funds tracked by Wall St. Rank hold CBLL as of Q2 2026.

John Overdeck held 109,867 shares of CeriBell Inc worth $2.14M as of Q2 2026.
John Overdeck sold 216,165 CeriBell Inc shares in Q2 2026, an estimated $4.1M.
CeriBell Inc made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2940 holding.
John Overdeck first reported a position in CeriBell Inc in Q2 2025 and has held it in 5 quarters since.
John Overdeck's CeriBell Inc position peaked at $7.54M in Q4 2025.
122 funds tracked by Wall St. Rank held CeriBell Inc as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.