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KALA BIO Ownership | Who Owns KALA BIO?

OverviewForecastRevenueFinancialsChart

KALA BIO Ownership Summary

KALA BIO is owned by 26.84% institutional investors, 2.17% insiders, and 70.99% 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

TypeName% Inst% Insiders% Retail
StockKALA BIO26.84%2.17%70.99%
SectorHealthcare Stocks 42.54%10.83%46.63%
IndustryBiotech Stocks 45.22%10.75%44.04%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Baker bros. advisors lp985.09K15.12%$1.51M
Woodline partners lp247.47K3.80%$378.62K
Vanguard group210.83K3.24%$322.56K
Adar1 capital management142.00K2.18%$217.25K
Geode capital management67.91K1.04%$103.95K
State street28.58K0.44%$43.72K
Blackrock funding, inc. /de21.41K0.33%$32.75K
Marex group14.50K0.22%$35.02K
Northern trust11.52K0.18%$17.63K
Ubs group8.19K0.13%$12.54K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Adar1 capital management142.00K0.02%$217.25K
Baker bros. advisors lp985.09K0.01%$1.51M
Woodline partners lp247.47K0.00%$378.62K
Covestor1.26K0.00%$2.00K
Tower research capital llc (trc)5.08K0.00%$7.77K
Marex group14.50K0.00%$35.02K
Steward partners investment advisory120.00-$184.00
Parallel advisors1.00-$7.00
Aigh capital management---
Renaissance---

Top Buyers

HolderShares% AssetsChange
Vanguard group210.83K-40.45K
State street28.58K-28.58K
Marex group14.50K0.00%14.50K
Geode capital management67.91K-11.54K
Ubs group8.19K-8.16K

Top Sellers

HolderShares% AssetsChange
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 lp985.09K0.01%-216.80K

New Positions

HolderShares% AssetsChangeValue
State street28.58K-28.58K$43.72K
Marex group14.50K0.00%14.50K$35.02K
Citigroup721.00-721.00$1.10K
Pnc financial services group46.00-46.00$70.00

Sold Out

HolderChange
Raymond james financial-7.00
Bnp paribas arbitrage, snc-98.00
Advisor group-100.00
Xtx topco-12.99K
Renaissance-17.40K

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202521-25.00%1,748,159-51.98%260.86%138.33%4-20.00%
Jun 30, 202527-6.90%3,640,715-12.08%551.31%11-26.67%566.67%
Mar 31, 20252100.00%15415300.00%--1---
Dec 31, 20241-1-------
Sep 30, 20241-1-------

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv112.97K1.69%-2.47K
Vanguard Institutional Extnd Mkt Idx Tr53.61K0.80%-490.00
Vifag 2002 SICAV20.00K0.43%-
Vanguard US Total Market Shares ETF26.44K0.41%-
Fidelity Extended Market Index28.37K0.40%269.00
BlackRock Extended Equity Market K9.24K0.20%-4.00
Fidelity Total Market Index11.88K0.17%-25.00
Extended Equity Market Fund K8.96K0.14%-179.00
Fidelity Series Total Market Index7.07K0.10%-
Spartan Extended Market Index Pool F6.37K0.09%233.00

Recent Insider Transactions

DateNameRoleActivityValue
Oct 23, 2025Iwicki Mark T-Sell$125.46K
Oct 22, 2025Reumuth Mary CHIEF FINANCIAL OFFICERSell$26.75K
Oct 23, 2025Reumuth Mary CHIEF FINANCIAL OFFICERSell$792.94
Oct 22, 2025Bazemore Todd-Sell$39.65K
Oct 22, 2025Brazzell Romulus K SEE REMARKSSell$38.80K

Insider Transactions Trends

DateBuySell
2025 Q4-8
2025 Q3-2
2025 Q2-11
2025 Q1-5
2024 Q42-

KALA Ownership FAQ

Who Owns KALA BIO?

KALA BIO shareholders are primarily institutional investors at 26.84%, followed by 2.17% insiders and 70.99% retail investors. The average institutional ownership in KALA BIO's industry, Biotech Stocks , is 45.22%, 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 Vanguard group (210.83K shares, 3.24%). Together, they hold 22.16% 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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