KALA BIO Ownership | Who Owns KALA BIO?

KALA BIO Ownership Summary

KALA BIO is owned by 7.49% institutional investors, 0.23% insiders, and 92.27% retail investors. Baker bros. advisors lp is the largest institutional shareholder, holding 15.12% of KALA shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.69% of its assets in KALA BIO shares.

KALA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	KALA BIO	7.49%	0.23%	92.27%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Baker bros. advisors lp	985.09K	15.12%	$1.51M
Woodline partners lp	247.47K	3.80%	$378.62K
Adar1 capital management	142.00K	2.18%	$217.25K
Jane street group	144.35K	2.05%	$80.24K
Vanguard group	91.01K	1.29%	$50.60K
Geode capital management	61.16K	0.87%	$34.01K
Renaissance	40.91K	0.58%	$22.74K
State street	28.58K	0.44%	$43.72K
Ubs group	23.91K	0.34%	$13.29K
Blackrock funding, inc. /de	21.41K	0.30%	$11.90K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Adar1 capital management	142.00K	0.02%	$217.25K
Baker bros. advisors lp	985.09K	0.01%	$1.51M
Woodline partners lp	247.47K	0.00%	$378.62K
Covestor	1.26K	0.00%	$1.00K
Stonex group	12.26K	0.00%	$6.81K
Tower research capital llc (trc)	5.08K	0.00%	$7.77K
Steward partners investment advisory	120.00	-	$67.00
Parallel advisors	1.00	-	$7.00
Sr one capital management, lp	-	-	-
Renaissance	40.91K	-	$22.74K

Top Buyers

Holder	Shares	% Assets	Change
Jane street group	144.35K	-	144.35K
Renaissance	40.91K	-	40.91K
State street	28.58K	-	28.58K
Ubs group	23.91K	-	15.72K
Stonex group	12.26K	0.00%	12.26K

Top Sellers

Holder	Shares	% Assets	Change
Cormorant asset management, lp	-	-	-603.03K
Sr one capital management, lp	-	-	-598.94K
Aigh capital management	-	-	-300.00K
Silverarc capital management	-	-	-246.08K
Baker bros. advisors lp	985.09K	0.01%	-216.80K

New Positions

Holder	Shares	% Assets	Change	Value
Jane street group	144.35K	-	144.35K	$80.24K
State street	28.58K	-	28.58K	$43.72K
Stonex group	12.26K	0.00%	12.26K	$6.81K
Sg americas securities	10.36K	-	10.36K	$6.00K
International assets investment management	110.00	-	110.00	$61.00

Sold Out

Holder	Change
Raymond james financial	-7.00
Pnc financial services group	-46.00
Bnp paribas arbitrage, snc	-98.00
Advisor group	-100.00
Caitong asset management	-736.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	22	-	527,817	-69.82%	7	1.04%	10	-28.57%	3	-25.00%
Sep 30, 2025	21	-25.00%	1,748,159	-51.98%	26	0.86%	13	8.33%	4	-20.00%
Jun 30, 2025	27	-6.90%	3,640,715	-12.08%	55	1.31%	11	-26.67%	5	66.67%
Mar 31, 2025	2	100.00%	154	15300.00%	-	-	1	-	-	-
Dec 31, 2024	1	-	1	-	-	-	-	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	112.97K	1.69%	-2.47K
Vifag 2002 SICAV	20.00K	0.43%	-
Vanguard US Total Market Shares ETF	26.44K	0.41%	-
BlackRock Extended Equity Market K	9.24K	0.20%	-4.00
Spartan Extended Market Index Pool F	6.37K	0.09%	233.00
Spartan Extended Market Index Pool E	5.81K	0.09%	2.42K
Spartan Total Market Index Pool E	953.00	0.01%	-
NT Ext Eq Mkt Indx Fd DC Lend T4	628.00	0.01%	628.00
NT Ext Eq Mkt Indx Fd DC Lend T3	628.00	0.01%	628.00
BlackRock U.S. Equity Market F	578.00	0.01%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 23, 2025	Iwicki Mark T	-	Sell	$125.46K
Oct 22, 2025	Reumuth Mary	CHIEF FINANCIAL OFFICER	Sell	$26.75K
Oct 23, 2025	Reumuth Mary	CHIEF FINANCIAL OFFICER	Sell	$792.94
Oct 22, 2025	Bazemore Todd	-	Sell	$39.65K
Oct 22, 2025	Brazzell Romulus K	SEE REMARKS	Sell	$38.80K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	8
2025 Q3	-	2
2025 Q2	-	11
2025 Q1	-	5
2024 Q4	2	-

KALA Ownership FAQ

Who Owns KALA BIO?

KALA BIO shareholders are primarily institutional investors at 7.49%, followed by 0.23% insiders and 92.28% retail investors. The average institutional ownership in KALA BIO's industry, Biotech Stocks , is 381.47%, which KALA BIO falls below.

Who owns the most shares of KALA BIO?

KALA BIO’s largest shareholders are Baker bros. advisors lp (985.09K shares, 15.12%), Woodline partners lp (247.47K shares, 3.80%), and Adar1 capital management (142K shares, 2.18%). Together, they hold 21.10% of KALA BIO’s total shares outstanding.

Does Blackrock own KALA BIO?

BlackRock is not among the top 10 institutional shareholders of KALA BIO.

Who is KALA BIO’s biggest shareholder by percentage of total assets invested?

Adar1 capital management is KALA BIO’s biggest shareholder by percentage of total assets invested, with 0.02% of its assets in 142K KALA BIO shares, valued at 217.25K$.

Who is the top mutual fund holder of KALA BIO shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of KALA BIO shares, with 1.69% of its total shares outstanding invested in 112.97K KALA BIO shares.

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