Baker Bros. Advisors’s KALA BIO KALA Stock Holding History

Baker Bros. Advisors’s Portfolio KALA Stock Details KALA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-36,081	Closed	-$1M	–	88
2025 Q4	$1M	Buy	36,081 +16,379	+83%	+$733K	0.01%	82
2025 Q3	$1.51M	Sell	19,702 -4,336	-18%	-$2.15M	0.01%	83
2025 Q2	$5.72M	Hold	24,038	–	–	0.06%	65
2025 Q1	$6.89M	Hold	24,038	–	–	0.08%	54
2024 Q4	$8.34M	Buy	24,038 +6,211	+35%	+$1.96M	0.09%	57
2024 Q3	$5.08M	Hold	17,827	–	–	0.05%	68
2024 Q2	$6.32M	Buy	17,827 +12,495	+234%	+$4.13M	0.08%	58
2024 Q1	$2.12M	Hold	5,332	–	–	0.03%	73
2023 Q4	$1.87M	Hold	5,332	–	–	0.02%	73
2023 Q3	$2.37M	Buy	5,332 +3,008	+129%	+$1.97M	0.01%	81
2023 Q2	$1.7M	Buy	2,324 +788	+51%	+$612K	0.01%	98
2023 Q1	$1.16M	Hold	1,536	–	–	0.01%	97
2022 Q4	$2.93M	Buy	+1,536	New	+$608K	0.02%	89

Other funds holding KALA

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Virtu Financial New York $3.18B AUM 65.92% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Baker Bros. Advisors's KALA Position: Q1 2026 in Review

Baker Bros. Advisors sold out of KALA BIO (KALA) in Q1 2026, closing a stake of 36,081 shares — an estimated $1M sold.

Baker Bros. Advisors first reported a position in KALA in Q4 2022 and held it in 13 quarters. The position peaked at $8.34M in Q4 2024. 28 funds tracked by Wall St. Rank hold KALA as of Q1 2026.

Baker Bros. Advisors reported no remaining KALA BIO position as of Q1 2026 after selling out during the quarter.
Baker Bros. Advisors sold 36,081 KALA BIO shares in Q1 2026, an estimated $1M.
Baker Bros. Advisors first reported a position in KALA BIO in Q4 2022 and held it in 13 quarters.
Baker Bros. Advisors's KALA BIO position peaked at $8.34M in Q4 2024.
28 funds tracked by Wall St. Rank held KALA BIO as of Q1 2026.

Based on Baker Bros. Advisors's 13F filing for Q1 2026, filed 15 May 2026.