TSS Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:TSSI Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
02 Jun 26	SellUS$1,548,000	MHW Capital Management, LLC	Company	100,000	US$15.48
01 Jun 26	SellUS$160,014	Kieran Brennan	Individual	10,000	US$16.00
29 May 26	SellUS$3,214,000	MHW Capital Management, LLC	Company	200,000	US$16.07
16 Mar 26	SellUS$147,240	Kieran Brennan	Individual	12,000	US$12.27
11 Dec 25	SellUS$444,710	MHW Capital Management, LLC	Company	51,700	US$8.82
18 Nov 25	BuyUS$40,000	Michael Fahy	Individual	5,000	US$8.00
10 Sep 25	SellUS$179,487	Karl Marrott	Individual	11,100	US$16.17
10 Sep 25	SellUS$242,550	Daniel Chism	Individual	15,000	US$16.17
28 Aug 25	SellUS$433,696	Karl Marrott	Individual	26,825	US$16.23
28 Aug 25	SellUS$243,500	Daniel Chism	Individual	15,000	US$16.25

Insider Trading Volume

Insider Buying: TSSI insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of TSSI?
Owner Type	Number of Shares	Ownership Percentage
Hedge Funds	2,594,282	9.24%
Individual Insiders	3,980,078	14.2%
Institutions	9,952,780	35.5%
General Public	11,546,816	41.1%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 51.19% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.24%	MHW Capital Management, LLC	2,594,282	US$35.2m	-10.4%	94.95%
6.31%	BlackRock, Inc.	1,770,890	US$24.0m	16.1%	no data
5.29%	Glen Ikeda	1,483,844	US$20.1m	0%	no data
3.45%	Vanguard Capital Management, LLC	968,440	US$13.1m	0%	no data
3.22%	Peter Woodward	905,072	US$12.3m	0%	no data
2.34%	Jane Street Group, LLC	658,081	US$8.9m	173%	0.01%
2.05%	Geode Capital Management, LLC	575,609	US$7.8m	6.72%	no data
1.86%	UBS Asset Management AG	521,598	US$7.1m	64.8%	no data
1.64%	Value Aligned Research Advisors, LLC	460,510	US$6.2m	0%	0.04%
1.64%	Darryll Dewan	459,471	US$6.2m	-24.6%	no data
1.51%	State Street Global Advisors, Inc.	425,254	US$5.8m	16.5%	no data
1.48%	Silvercrest Asset Management Group LLC	416,514	US$5.6m	0%	0.04%
1.32%	Millennium Management LLC	370,379	US$5.0m	-57.2%	no data
1.22%	LPL Financial LLC	342,848	US$4.6m	82.5%	no data
1.2%	Daniel Chism	338,215	US$4.6m	-6.88%	no data
1.16%	Marshall Wace LLP	324,962	US$4.4m	0%	no data
0.97%	Kieran Brennan	271,333	US$3.7m	-3.55%	no data
0.9%	Karl Marrott	251,287	US$3.4m	-13.6%	no data
0.77%	Rockefeller & Co. LLC	216,883	US$2.9m	111%	no data
0.66%	D. E. Shaw & Co., L.P.	185,901	US$2.5m	150%	no data
0.63%	Centerbook Partners LP	177,414	US$2.4m	0%	0.11%
0.62%	Wells Fargo & Company	173,472	US$2.4m	287%	no data
0.59%	Northern Trust Global Investments	165,351	US$2.2m	2.66%	no data
0.57%	Vanguard Fiduciary Trust Company	159,977	US$2.2m	0.3%	no data
0.55%	Richard Metzler	153,784	US$2.1m	2.52%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/21 23:34
End of Day Share Price	2026/06/18 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

TSS, Inc. is covered by 2 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Alex Fuhrman	Lucid Capital Markets
Matthew Calitri	Needham & Company