Milestone Scientific Inc. (MLSS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

83,339,875Shares Outstanding

843,701Shares held by institutions

$227,799Value of institutional holdings

5.43%Institutional ownership %

4.08%Shares Changed QoQ

31No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Milestone Scientific Inc. (NYSE:MLSS) is held by 31 institutional firms.

The collective stake of institutional investors in Milestone Scientific moved to 5.4% in December 2025, a shift up from the 5.3% reported for September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 4.08%, with a year-over-year a decrease of 13.89% in the count of filers.
Of these 31 institutional investors, 10 increased their holdings in Milestone Scientific, while 9 of them reduced positions, and 12 investors maintained their exposure.
This class of investors increased its holdings in Milestone Scientific to 4.52Mn shares for the 13F-cycle ending December 2025, up by 177.29K shares quarter on quarter, and up 85.29K shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held Milestone Scientific's largest shareholding position with over 2.35Mn shares, representing 2.82% of total outstanding shares.
Among the most significant buyers of Milestone Scientific during December 2025 were CITADEL ADVISORS LLC (153.78K), UBS Group AG (90.94K), XTX Topco Ltd (30.92K), TWO SIGMA SECURITIES, LLC (25.64K), HRT FINANCIAL LP (18.05K).
Leading sellers of Milestone Scientific stock in December 2025 included SUSQUEHANNA INTERNATIONAL GROUP, LLP (64.44K), OPPENHEIMER & CO INC (27.50K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (17.30K), Carnegie Investment Counsel (16.00K), Radnor Capital Management, LLC (16.00K).
The top 10 institutional holders of Milestone Scientific for the quarter ending December 2025 included VANGUARD GROUP INC (2.35Mn), GEODE CAPITAL MANAGEMENT, LLC (614.48K), CITADEL ADVISORS LLC (153.78K), STATE STREET CORP (139.88K), Mariner, LLC (121.75K), NORTHERN TRUST CORP (112.61K), LPL Financial LLC (104.94K), Carnegie Investment Counsel (100.17K), World Investment Advisors (100.00K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (99.50K).

31 Institutional Holders

843,701 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	2,349,317	-6,378	-0.27%	$641,364.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	614,479	3,409	0.56%	$167,792.00
CITADEL ADVISORS LLC	31 Dec, 2025	153,775	153,775	0.00%	$41,981.00
STATE STREET CORP	31 Dec, 2025	139,885	0	0.00%	$38,189.00
Mariner, LLC	31 Dec, 2025	121,750	0	0.00%	$33,311.00
NORTHERN TRUST CORP	31 Dec, 2025	112,615	0	0.00%	$30,744.00
LPL Financial LLC	31 Dec, 2025	104,945	0	0.00%	$28,650.00
Carnegie Investment Counsel	31 Dec, 2025	100,175	-16,000	-13.77%	$27,348.00
World Investment Advisors	31 Dec, 2025	100,000	0	0.00%	$27,300.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	99,500	-17,300	-14.81%	$27,164.00
UBS Group AG	31 Dec, 2025	95,928	90,942	1,823.95%	$26,188.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	82,897	2,600	3.24%	$22,631.00
BlackRock, Inc.	31 Dec, 2025	70,818	0	0.00%	$19,333.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	57,696	-64,443	-52.76%	$15,751.00
Brookwood Investment Group LLC	31 Dec, 2025	49,100	0	0.00%	$13,404.00
Sequoia Financial Advisors, LLC	31 Dec, 2025	43,422	0	0.00%	$11,855.00
Kestra Advisory Services, LLC	31 Dec, 2025	41,100	0	0.00%	$11,220.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	34,400	0	0.00%	$9,391.00
XTX Topco Ltd	31 Dec, 2025	30,923	30,923	0.00%	$8,442.00
TWO SIGMA SECURITIES, LLC	31 Dec, 2025	25,641	25,641	0.00%	$7,000.00

1 - 20 of 31

Research Tools