$TSSI

$7.48 +$0.58 (8.41%) Close

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

Ownership

13F as of Q2 2026 · 28.2M shares outstanding

Who owns TSSI?

By type of holder

Institutions 46.3% Insiders 27.7% Everyone else 26.0%

Concentration Top 10 holders own 48.1%

Woodward Peter H 21.5% · BlackRock, Inc. 8.2%

Institutional ownership

46.3%

+11.4 pts vs last qtr

Institutional holders

124

+15 vs last qtr

Net shares bought

+3.2M

by institutions in Q2 2026

New / sold out

38 / 23

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +551.4K
Driehaus Capital Management LLC NEW +536.3K

Biggest sellers in Q2 2026

Marshall Wace, LLP SOLD OUT −325.0K
UBS Group AG −227.7K

Who is planning to sell?

Notices of proposed sale, last 12 months

$8.75M

8 notices from 7 people

Shares covered

631.3K

2.24% of the company

Arranged in advance

46%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Peter H. Woodward Director $4.06M
Dewan Darryll E Officer 10b5-1 $1.59M

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

+76.7%

+6.53% a year

Each share's claim on the business

−43.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$10.1M vs $8.02M

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+ years0% 3–5 years0% 1–3 years64% Under 1 year36%

Quarterly turnover

35.0%

of institutional shares changed hands

Top 10 managers, median time held

1.3 years

Super Investors

Investment managers reporting TSSI on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	2.3M	8.23%	+551.4K (+31.1%)	2024	0.0%
Shares held by quarter Peak holding2.3M (Q2'26) Change over 8 quarters+2.3M Share of the company8.230% BlackRock, Inc.'s full portfolio →
JS Jane Street Group, LLC	1.0M	3.71%	+389.1K (+59.1%)	Q3 '25	0.0%
Shares held by quarter Peak holding1.0M (Q2'26) Change over 8 quarters+1.0M Share of the company3.710% Jane Street Group, LLC's full portfolio →

BlackRock, Inc.

2.3M

% of company

8.23%

Change vs last qtr

+551.4K (+31.1%)

Held since

2024

Jane Street Group, LLC

1.0M

% of company

3.71%

Change vs last qtr

+389.1K (+59.1%)

Held since

Q3 '25

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting TSSI on Form N-PORT; together they hold 13.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$8.36M	679.3K	2.41%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$8.13M	660.8K	2.34%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$8.36M

% of company

2.41%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$8.13M

% of company

2.34%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding TSS 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
WP Woodward Peter H Insider	6.1M	21.51%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company21.510% Woodward Peter H's insider activity →
DD Dewan Darryll E Insider	459.5K	1.63%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.630% Dewan Darryll E's insider activity →

Woodward Peter H

Insider

6.1M

% of company

21.51%

Change vs last qtr

—

Held since

—

Dewan Darryll E

Insider

459.5K

% of company

1.63%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of TSS Inc.

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