KALA BIO Ownership | Who Owns KALA BIO?

KALA BIO Ownership Summary

KALA BIO is owned by 11.90% institutional investors, 1.30% insiders, and 86.81% retail investors. Vanguard group is the largest institutional shareholder, holding 1.29% 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	11.90%	1.30%	86.81%
Sector	Healthcare Stocks	244.37%	12.11%	-156.48%
Industry	Biotech Stocks	379.01%	11.75%	-290.76%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	91.01K	1.29%	$50.60K
Tower research capital llc (trc)	5.08K	0.08%	$7.77K
Greenwich wealth management	-	-	-
Silverarc capital management	-	-	-
Renaissance	-	-	-
Gsa capital partners llp	-	-	-
Two sigma securities	-	-	-
Parallel advisors	1.00	-	$7.00
Steward partners investment advisory	-	-	-
Geode capital management	-	-	-

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tower research capital llc (trc)	5.08K	0.00%	$7.77K
Greenwich wealth management	-	-	-
Parallel advisors	1.00	-	$7.00
Silverarc capital management	-	-	-
Renaissance	-	-	-
Gsa capital partners llp	-	-	-
Geode capital management	-	-	-
Two sigma securities	-	-	-
Steward partners investment advisory	-	-	-
Woodline partners lp	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Tower research capital llc (trc)	5.08K	0.00%	3.93K
Parallel advisors	1.00	-	-
Raymond james financial	-	-	-7.00
Sbi securities	-	-	-8.00
Legacy wealth managment, llc/id	-	-	-25.00

Top Sellers

Holder	Shares	% Assets	Change
Baker bros. advisors lp	-	-	-1.80M
Cormorant asset management, lp	-	-	-603.03K
Sr one capital management, lp	-	-	-598.94K
Renaissance	-	-	-417.52K
Aigh capital management	-	-	-300.00K

Sold Out

Holder	Change
Raymond james financial	-7.00
Sbi securities	-8.00
Legacy wealth managment, llc/id	-25.00
Pnc financial services group	-46.00
Bnp paribas arbitrage, snc	-98.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	19	-32.14%	969,283	-65.87%	11	0.73%	12	-7.69%	2	-66.67%
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	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	112.97K	1.69%	-2.47K
Vanguard Institutional Extnd Mkt Idx Tr	220.62K	1.14%	-
Fidelity Extended Market Index	96.67K	0.52%	92.85K
Vifag 2002 SICAV	20.00K	0.43%	-
Vanguard US Total Market Shares ETF	26.44K	0.41%	-
BlackRock Extended Equity Market Fund K	58.76K	0.32%	58.58K
BlackRock Extended Equity Market K	9.24K	0.20%	-4.00
NT Ext Equity Mkt Index Fund - Lending	23.32K	0.13%	23.21K
Northern Trust Extended Eq Market Idx	23.32K	0.13%	23.21K
NT Ext Equity Mkt Index Fund - NL	18.29K	0.10%	18.17K

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 11.90%, followed by 1.30% insiders and 86.80% retail investors. The average institutional ownership in KALA BIO's industry, Biotech Stocks , is 379.01%, which KALA BIO falls below.

Who owns the most shares of KALA BIO?

KALA BIO’s largest shareholders are Vanguard group (91.01K shares, 1.29%), Tower research capital llc (trc) (5.08K shares, 0.08%), and Greenwich wealth management (0 shares, 0%). Together, they hold 1.37% 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?

Tower research capital llc (trc) is KALA BIO’s biggest shareholder by percentage of total assets invested, with 0.00% of its assets in 5.08K KALA BIO shares, valued at 7.77K$.

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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