KALA BIO, Inc.
KALA BIO, Inc. (KALA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · KALA · as of Sep 30, 2025
Ownership Breakdown
22
Institutional Holders
▼ 6 vs Q2
$2.69M
Total Inst. Value
▼ $14.64M vs Q2
21.93M
Shares Outstanding
freeFloat 85.86%
1.75M
13F Shares Held
▼ 1.89M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
KALA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BAKER BROS. ADVISORS LP pharmaceutical preparations | 985.1K | 15.12% | 15.12% | $1.51B | Nov 14, 2025 | ▼ 216.8K |
WOODLINE PARTNERS LP pharmaceutical preparations | 247.5K | 3.80% | 3.80% | $378.62M | Nov 14, 2025 | ▼ 52.7K |
VANGUARD GROUP INC pharmaceutical preparations | 210.8K | 3.24% | 3.24% | $322.56M | Nov 7, 2025 | ▲ 40.5K |
ADAR1 CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 142.0K | 2.18% | 2.18% | $217.25M | Nov 14, 2025 | ▼ 7.8K |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 67.9K | 1.04% | 1.04% | $103.95M | Nov 12, 2025 | ▲ 11.5K |
STATE STREET CORP pharmaceutical preparations | 28.6K | 43.87% | 43.87% | $43.72M | Nov 14, 2025 | NEW |
BLACKROCK, INC. pharmaceutical preparations | 21.4K | 32.87% | 32.87% | $32.75M | Nov 12, 2025 | ▲ 51 |
MAREX GROUP PLC pharmaceutical preparations | 14.5K | 22.26% | 22.26% | $35.02M | Nov 14, 2025 | NEW |
NORTHERN TRUST CORP pharmaceutical preparations | 11.5K | 17.69% | 17.69% | $17.63M | Nov 14, 2025 | ▲ 1.1K |
UBS GROUP AG pharmaceutical preparations | 8.2K | 12.58% | 12.58% | $12.54M | Nov 13, 2025 | ▲ 8.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
9
Increased
+67.4K shares5
New Positions
first time holders4
Decreased
−277.5K shares10
Sold Out
fully exitedNet shares change (top 50)
210.1K
+67.4K / −277.5K
Net new holders
+0
5 new / 10 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
KALA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
8
Sell transactions
0.13
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Lazar David E. Chief Executive Officer | Dec 18, 2025 | J-Other | 368,614 | $1.02 | $374.9K | 0 | Form 4 ↗ |
Lazar David E. Chief Executive Officer | Nov 24, 2025 | Award | 900,000 | — | — | 900.0K | Form 4 ↗ |
Iwicki Mark T director | Oct 23, 2025 | Sale | 154,894 | $0.81 | $125.5K | 103.5K | Form 4 ↗ |
Reumuth Mary CHIEF FINANCIAL OFFICER | Oct 22, 2025 | Sale | 32,230 | $0.83 | $26.8K | 29.9K | Form 4 ↗ |
Reumuth Mary CHIEF FINANCIAL OFFICER | Oct 23, 2025 | Sale | 967 | $0.82 | $792.94 | 28.9K | Form 4 ↗ |
Bazemore Todd director | Oct 22, 2025 | Sale | 47,768 | $0.83 | $39.6K | 35.9K | Form 4 ↗ |
Brazzell Romulus K SEE REMARKS | Oct 22, 2025 | Sale | 46,748 | $0.83 | $38.8K | 36.0K | Form 4 ↗ |
Kharabi Darius CHIEF BUSINESS OFFICER | Oct 22, 2025 | Sale | 20,806 | $0.83 | $17.3K | 41.8K | Form 4 ↗ |
BAKER BROS. ADVISORS LP Former 10% owner | Sep 30, 2025 | Sale | 195,425 | $1.60 | $311.9K | 888.0K | Form 4 ↗ |
BAKER BROS. ADVISORS LP Former 10% owner | Oct 1, 2025 | Sale | 462,967 | $1.38 | $640.7K | 425.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
KALA BIO, Inc. (KALA) is primarily owned by institutional investors, who hold approximately 8.0% of total shares outstanding. Company insiders own approximately 14.14%, while retail and public investors account for the remaining 77.89%.
The largest institutional shareholder of KALA BIO, Inc. is BAKER BROS. ADVISORS LP, holding approximately 985,093 shares — equal to 15.12% of outstanding shares — as of September 30, 2025.
A total of 22 institutional investors currently hold KALA stock, with a combined institutional value of approximately $2,688,759 as of the most recent 13F filing period.
Frequently asked questions
KALA ownershipKALA BIO, Inc. (KALA) is primarily owned by institutional investors, who hold approximately 8.0% of shares. The largest shareholder is BAKER BROS. ADVISORS LP with a 15.12% stake. Company insiders hold 14.14%. Data sourced from SEC Form 13F as of September 30, 2025.