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TISI · NYSE

$24.10+$0.90 (+3.88%)TodayMarket closed · Oct 20, 7:30 PM ET

Prev close $23.20

Who owns TISI

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 58.6% of TISI’s shares.

Stellex Capital Management LLC35.1%
Barclays Capital Inc.7.3%
22NW, LP3.7%
Vanguard Capital Management, LLC3.1%
Next 6 largest institutions9.4%
All other shareholders41.4%

Top institutional holders of TISI
Holder	Shares	% of shares	Change, last filing	Filed
Stellex Capital Management LLC	1.60M	35.11%	+1.60M	Aug 6, 2026
Barclays Capital Inc.	333.88K	7.31%	+9.94K	Jun 30, 2026
22NW, LP	170.19K	3.72%	+0	Jun 30, 2026
Vanguard Capital Management, LLC	141.38K	3.09%	+4.28K	Jun 30, 2026
Caliel (Michael J)	91.96K	2.01%	+270	Apr 1, 2026
AMH Equity, Ltd.	90.27K	1.98%	+10.27K	Sep 30, 2025
IES Holdings, Inc	75.00K	1.64%	+0	Jun 30, 2026
Tucker (Keith D)	67.70K	1.48%	+14.97K	Apr 1, 2026
BlackRock Institutional Trust Company, N.A.	57.25K	1.25%	+2.48K	Jun 30, 2026
Geode Capital Management, L.L.C.	47.76K	1.05%	−747	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of TISI
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	86.43K	1.89%	+0	Jul 31, 2026
Vanguard Extended Market Index Fund	52.57K	1.15%	+0	Jul 31, 2026
Fidelity Extended Market Index Fund	22.98K	0.50%	−43	Jul 31, 2026
iShares Micro-Cap ETF	9.24K	0.20%	+120	Aug 31, 2026
Fidelity Total Market Index Fund	8.10K	0.18%	+0	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $825.44K (11 trades) and sold $56.95M (1 trade) of TISI on the open market.

Latest TISI insider transactions
Insider	Date	Type	Shares	Price	Value
Webster James C.	Oct 1, 2026	Option exercise	1.85K	—	—
Webster James C.	Oct 1, 2026	Tax withholding	451	$28.42	$12.82K
Webster James C.	Oct 1, 2026	Option exercise	1.85K	—	—
Roeder Clinton William	Sep 3, 2026	Buy	8.00K	$27.59	$220.72K
Horton Anthony R	Aug 24, 2026	Buy	2.00K	$22.90	$45.80K
Roeder Clinton William	Aug 21, 2026	Buy	1.00K	$22.84	$22.84K
Roeder Clinton William	Aug 21, 2026	Buy	8.00K	$22.90	$183.20K
Horton Anthony R	Aug 21, 2026	Buy	2.00K	$23.15	$46.30K
Horton Anthony R	Aug 18, 2026	Buy	2.00K	$22.71	$45.42K
Lederman Evan S.	Aug 17, 2026	Buy	500	$23.00	$11.50K

Short interest

Settled Sep 30, 2026

Shares short: 72.34K
Days to cover: 1.75
% of shares outstanding: 1.58%
Average daily volume: 41.24K
Change since last report: +37.4%

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