Milestone Scientific Inc.
Milestone Scientific Inc. (MLSS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MLSS · as of Sep 30, 2025
Ownership Breakdown
31
Institutional Holders
▼ 5 vs Q2
$2.02M
Total Inst. Value
▼ $956,883 vs Q2
88.08M
Shares Outstanding
freeFloat 78.31%
4.46M
13F Shares Held
▼ 224,880 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
MLSS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC orthopedic, prosthetic & surgical appliances & supplies | 2.36M | 2.87% | 2.87% | $1.07B | Nov 7, 2025 | ▲ 172.8K |
GEODE CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 611.1K | 74.48% | 74.48% | $277.68M | Nov 12, 2025 | ▲ 60.7K |
STATE STREET CORP orthopedic, prosthetic & surgical appliances & supplies | 139.9K | 17.05% | 17.05% | $63.55M | Nov 14, 2025 | — held |
SUSQUEHANNA INTERNATIONAL GROUP, LLP orthopedic, prosthetic & surgical appliances & supplies | 122.1K | 14.89% | 14.89% | $55.49M | Nov 14, 2025 | ▼ 37.4K |
MARINER, LLC orthopedic, prosthetic & surgical appliances & supplies | 121.8K | 14.84% | 14.84% | $55.31M | Nov 14, 2025 | ▼ 75.0K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 116.8K | 14.24% | 14.24% | $53.06M | Nov 14, 2025 | ▼ 238.7K |
CARNEGIE CAPITAL ASSET MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 116.2K | 14.16% | 14.16% | $52.78M | Oct 16, 2025 | ▼ 48.4K |
NORTHERN TRUST CORP orthopedic, prosthetic & surgical appliances & supplies | 112.6K | 13.73% | 13.73% | $51.16M | Nov 14, 2025 | — held |
LPL FINANCIAL LLC orthopedic, prosthetic & surgical appliances & supplies | 104.9K | 12.79% | 12.79% | $47.68M | Nov 12, 2025 | — held |
PENSIONMARK FINANCIAL GROUP, LLC orthopedic, prosthetic & surgical appliances & supplies | 100.0K | 12.19% | 12.19% | $45.43M | Oct 15, 2025 | — held |
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
7
Increased
+278.8K shares0
New Positions
first time holders6
Decreased
−413.6K shares5
Sold Out
fully exitedNet shares change (top 50)
134.9K
+278.8K / −413.6K
Net new holders
-4
0 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MLSS 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.
0
Buy transactions
9
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
BP4 S.r.l. 10 percent owner | Oct 22, 2025 | Sale | 14,427 | $0.45 | $6.5K | 9.08M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 23, 2025 | Sale | 80,000 | $0.43 | $34.4K | 9.00M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 24, 2025 | Sale | 100,000 | $0.44 | $44.0K | 8.90M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 20, 2025 | Sale | 24,034 | $0.45 | $10.9K | 9.13M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 21, 2025 | Sale | 40,000 | $0.44 | $17.6K | 9.09M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 10, 2025 | Sale | 10,158 | $0.55 | $5.6K | 9.19M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 13, 2025 | Sale | 10,000 | $0.55 | $5.5K | 9.18M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 14, 2025 | Sale | 30,000 | $0.54 | $16.2K | 9.16M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 7, 2025 | Sale | 10,000 | $0.45 | $4.5K | 9.23M | Form 4 ↗ |
BP4 S.r.l. 10 percent owner | Oct 8, 2025 | Sale | 30,000 | $0.47 | $13.9K | 9.20M | 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
Milestone Scientific Inc. (MLSS) is primarily owned by institutional investors, who hold approximately 5.1% of total shares outstanding. Company insiders own approximately 21.69%, while retail and public investors account for the remaining 73.25%.
The largest institutional shareholder of Milestone Scientific Inc. is VANGUARD GROUP INC, holding approximately 2.36 million shares — equal to 2.87% of outstanding shares — as of September 30, 2025.
A total of 31 institutional investors currently hold MLSS stock, with a combined institutional value of approximately $2,023,887 as of the most recent 13F filing period.
Frequently asked questions
MLSS ownershipMilestone Scientific Inc. (MLSS) is primarily owned by institutional investors, who hold approximately 5.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 2.87% stake. Company insiders hold 21.69%. Data sourced from SEC Form 13F as of September 30, 2025.