Milestone Scientific Inc.
Milestone Scientific Inc. (MLSS) Stock Ownership
Latest 13F position summary is not yet available — breakdown and tables fill in after filings publish (typically ~45 days after quarter end).
SEC 13F · FMP · MLSS · as of —
Ownership Breakdown
Institutional data for this period is not yet available. SEC Form 13F filings are typically published 45 days after quarter end.
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 — of total shares outstanding. Company insiders own approximately —, while retail and public investors account for the remaining —.
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 —.
A total of 0 institutional investors currently hold MLSS stock, with a combined institutional value of approximately $0 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 — of shares. The largest shareholder is VANGUARD GROUP INC with a 2.87% stake. Company insiders hold —. Data sourced from SEC Form 13F as of —.