Trio-Tech International engages in the provision of third-party semiconductor testing and burn-in services. It operates through the following segments: Manufacturing, Testing Services, Distribution, and Real Estate. The Manufacturing segment produces both front-end and back-end semiconductor test equipment and related peripherals. The Testing Services segment uses equipment burn-in, centrifugal and leak tests, and commercially available equipment for various other environmental tests. The Distribution segment offers equipment such as environmental chambers, handlers, interface systems, vibration systems, shaker systems, solderability testers and other, and semiconductor equipment; and components including connectors, sockets, LCD display panels, and touch-screen panels. The Real Estate segment invests in real property in Chongqing, China. The company was founded in 1958 and is headquartered in Los Angeles, CA.

Company profile
Ticker
TRT
Exchange
Website
CEO
Siew Wai Yong
Employees
Incorporated
Location
Fiscal year end
Industry (SIC)
Lam Research • Milacron • Cricut • Veeco Instruments • Axcelis • Intevac • Manitex International • Desktop Metal • Amtech Systems • Energy Recovery ...
Former names
TRIO TECH INTERNATIONAL
SEC CIK
Corporate docs
Subsidiaries
Express Test Corporation • KTS Incorporated • European Electronic Test Center. Ltd. • Trio‑Tech International Pte. Ltd. • Universal (Far East) Pte. Ltd. • Trio-Tech International (Thailand) Co., Ltd. • Trio-Tech (Bangkok) Co., Ltd. • Trio-Tech (Malaysia) Sdn Bhd. • Trio-Tech (Kuala Lumpur) Sdn Bhd. • Prestal Enterprise Sdn. Bhd. ...
IRS number
952086631
TRT stock data
Latest filings (excl ownership)
8-K
Results of Operations and Financial Condition
15 May 23
10-Q
2023 Q3
Quarterly report
15 May 23
8-K
Results of Operations and Financial Condition
10 Feb 23
10-Q
2023 Q2
Quarterly report
10 Feb 23
8-K
Submission of Matters to a Vote of Security Holders
9 Dec 22
8-K
Results of Operations and Financial Condition
10 Nov 22
10-Q
2022 Q1
Quarterly report
10 Nov 22
DEFA14A
Additional proxy soliciting materials
20 Oct 22
DEF 14A
Definitive proxy
20 Oct 22
8-K
Results of Operations and Financial Condition
23 Sep 22
Latest ownership filings
Financial summary
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Institutional ownership, Q2 2023
15.8% owned by funds/institutions
13F holders | Current |
---|---|
Total holders | 16 |
Opened positions | 4 |
Closed positions | 6 |
Increased positions | 2 |
Reduced positions | 3 |
13F shares | Current |
---|---|
Total value | 1.89 bn |
Total shares | 647.74 k |
Total puts | 0.00 |
Total calls | 0.00 |
Total put/call ratio | – |
Largest owners | Shares | Value |
---|---|---|
Renaissance Technologies | 182.86 k | $880.00 k |
Vanguard | 141.43 k | $680.26 mm |
Dimensional Fund Advisors | 93.40 k | $449.25 mm |
Bridgeway Capital Management | 72.17 k | $347.14 mm |
Acadian Asset Management | 49.74 k | $238.00 k |
Empowered Funds | 23.57 k | $113.38 mm |
Alpha Architect ETF Trust | 23.57 k | $113.38 mm |
Stonebridge Capital Management | 23.00 k | $108.00 k |
Citadel Advisors | 12.35 k | $59.39 mm |
Geode Capital Management | 10.98 k | $52.80 mm |
Recent insider trades
Date | Owner | Security | Transaction | Code | Indirect | 10b5-1 | $Price | #Shares | $Value | #Remaining |
---|---|---|---|---|---|---|---|---|---|---|
7 Jun 23 | Adelman Jason T | Common Stock | Sell | Dispose S | No | No | 4.84 | 2,000 | 9.68 k | 10,000 |
2 Jun 23 | Adelman Jason T | Common Stock | Sell | Dispose S | No | No | 4.82 | 2,000 | 9.64 k | 12,000 |
1 Jun 23 | Adelman Jason T | Common Stock | Sell | Dispose S | No | No | 5 | 2,000 | 10.00 k | 14,000 |
30 May 23 | Adelman Jason T | Common Stock | Sell | Dispose S | No | No | 4.88 | 2,000 | 9.76 k | 16,000 |
26 May 23 | Adelman Jason T | Common Stock | Sell | Dispose S | No | No | 4.65 | 2,000 | 9.30 k | 18,000 |
22 Mar 23 | Horowitz Richard M | Common Stock Common Stock | Grant | Acquire A | No | No | 4.505 | 20,000 | 90.10 k | 20,000 |
22 Mar 23 | A Charles Wilson | Common Stock Common Stock | Grant | Acquire A | No | No | 4.505 | 40,000 | 180.20 k | 40,000 |
22 Mar 23 | Adelman Jason T | Common Stock Common Stock | Grant | Acquire A | No | No | 4.505 | 20,000 | 90.10 k | 20,000 |
22 Mar 23 | Hock Ming Ting | Common Stock Common Stock | Grant | Acquire A | No | No | 4.505 | 20,000 | 90.10 k | 20,000 |