$OSUR

$4.16 -$0.01 (0.24%) Close

$OSUR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 69.0M shares outstanding

Who owns OSUR?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 82.0%

BlackRock, Inc. 17.8% · Sapphire Ventures, L.P. 11.6%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

179

+7 vs last qtr

Net shares bought

+123.3K

by institutions in Q2 2026

New / sold out

30 / 23

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

First Eagle Investment Management, LLC NEW +1.1M
S Squared Technology, LLC +431.5K

Biggest sellers in Q2 2026

Private Management Group Inc −1.6M
Yorkville Advisors Global, LP SOLD OUT −635.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$225K

1 notice from 1 person

Shares covered

89.7K

0.13% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Mara Aspinall Board $225K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+30.0%

+2.96% a year

Each share's claim on the business

−23.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$33.5M vs $91.7M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years53% 3–5 years28% 1–3 years14% Under 1 year5%

Quarterly turnover

6.9%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting OSUR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	12.3M	17.76%	+352.7K (+3.0%)	≤2021	0.0%
Shares held by quarter Peak holding13.5M (Q3'24) Change over 8 quarters−1.3M Share of the company17.760% BlackRock, Inc.'s full portfolio →
SV Sapphire Ventures, L.P.	8.0M	11.57%	Unchanged	2021	10.0%
Shares held by quarter Peak holding8.0M (Q3'24) Change over 8 quarters0 Share of the company11.570% Sapphire Ventures, L.P.'s full portfolio →

BlackRock, Inc.

12.3M

% of company

17.76%

Change vs last qtr

+352.7K (+3.0%)

Held since

≤2021

Sapphire Ventures, L.P.

8.0M

% of company

11.57%

Change vs last qtr

Unchanged

Held since

2021

28 more super investors behind a free account

See every manager holding OraSure Technologies Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting OSUR on Form N-PORT; together they hold 44.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$13M	4.8M	6.94%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$10.8M	4.0M	5.87%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$13M

% of company

6.94%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$10.8M

% of company

5.87%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding OraSure Technologies Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
YI YA II PN, Ltd. 5%+ holder 13D · 5.7%	3.9M	5.68%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company5.680% Disclosed stake13D · 5.7% View the 13D/G filing →
YG YA Global Investments II (U.S.), LP 5%+ holder 13D · 5.7%	3.9M	5.68%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company5.680% Disclosed stake13D · 5.7% View the 13D/G filing →

YA II PN, Ltd.

5%+ holder13D · 5.7%

3.9M

% of company

5.68%

Change vs last qtr

—

Held since

—

YA Global Investments II (U.S.), LP

5%+ holder13D · 5.7%

3.9M

% of company

5.68%

Change vs last qtr

—

Held since

—

17 more holders behind a free account

See every insider and 5%+ holder of OraSure Technologies Inc.

Comments