StockData
TRTNasdaqSpecial Industry Machinery, NECFiscal year ends June 30

TRIO-TECH INTERNATIONAL

Financials through Q4 FY2026, quarter ended Jun 30, 2026Last filing: 10-K on Sep 24, 2026
$5.10+0.18 (+3.66%)

Close on Oct 19, 2026

Market cap
$41.88M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
21.1%
2M of 10M shares
Institutional holders
36
15 new, 5 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 30 sales
Net sold $3.03M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Horowitz Richard M902,3538.60%13D (active) amendmentDec 16, 2025
Zeff Holding Company, LLC511,1755.90%13G (passive) amendmentDec 31, 2025
Yong Siew Wai1,470,29016.90%13D (active) amendmentJan 27, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of TRTValueChange% of portfolio
Renaissance Technologies LLC356,8593.44%$4.40M+31,3330.01%
Atomi Financial Group, Inc.334,8993.22%$4.13M−286,6010.11%
Vanguard Capital Management LLC307,4792.96%$3.79M+43,1390.00%
Dimensional Fund Advisors LP190,1391.83%$2.34M−53,5850.00%
Jane Street Group, LLC188,7451.82%$2.33M+169,0730.00%
Huntleigh Advisors, Inc.113,1101.09%$1.39MNew0.20%
Geode Capital Management, LLC70,6050.68%$870.10K+15,4120.00%
Bridgeway Capital Management, LLC64,7000.62%$797.10K−77,3820.01%
BlackRock, Inc.57,0250.55%$702.55KNew0.00%
EAM Investors, LLC54,8540.53%$675.80KNew0.06%
Stonebridge Capital Management Inc46,0000.44%$566.72K–0.27%
Vanguard Fiduciary Trust Co41,4470.40%$510.63K+14,0310.00%
UBS Group AG38,3730.37%$472.76K+35,9390.00%
Sei Investments Co32,4890.31%$400.26KNew0.00%
State Street Corp31,0160.30%$382.12K+6,9500.00%
Corsair Capital Management, L.P.30,9700.30%$381.55KNew0.05%
NewEdge Advisors, LLC24,0160.23%$295.88K–0.00%
James Investment Research Inc24,0160.23%$295.88K–0.03%
Essex Investment Management Co LLC22,1150.21%$272.46K−9,3590.04%
Royal Bank of Canada21,5400.21%$265.00KNew0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026362M21.1%15 / 116 / 51M1M
Q1 2026262M20.9%13 / 25 / 31M0M
Q4 2025172M18.5%2 / 33 / 40M0M
Q3 2025192M19.6%4 / 43 / 10M0M
Q2 2025172M20.0%2 / 52 / 21M0M
Q1 2025171M13.6%1 / 55 / 20M0M
Q4 2024181M13.8%3 / 42 / 10M0M
Q3 2024161M13.4%0 / 34 / 30M0M
Q2 2024191M13.7%6 / 62 / 10M0M
Q1 2024141M13.2%1 / 53 / 40M0M
Q4 2023171M12.8%3 / 101 / 10M0M
Q3 2023151M11.5%2 / 53 / 30M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of TRTValue% of fundAs of
Vanguard Total Stock Market Index Fund217,5732.10%$2.68M0.00%Jun 30, 2026
Vanguard Extended Market Index Fund82,1110.79%$1.01M0.00%Jun 30, 2026
U.S. Small Cap Value Portfolio63,3290.61%$632.02K0.00%Jul 31, 2026
Ultra-Small Company Market Fund41,1000.40%$506.35K0.34%Jun 30, 2026
U.S. Micro Cap Portfolio28,5380.27%$284.81K0.00%Jul 31, 2026
U.S. Targeted Value Portfolio26,4170.25%$263.64K0.00%Jul 31, 2026
Fidelity Extended Market Index Fund25,8710.25%$328.82K0.00%May 31, 2026
U.S. Small Cap Portfolio25,4800.25%$254.29K0.00%Jul 31, 2026
Omni Small-Cap Value Fund23,6000.23%$290.75K0.02%Jun 30, 2026
Fidelity Total Market Index Fund8,3640.08%$106.31K0.00%May 31, 2026
Fidelity Series Total Market Index Fund8,0870.08%$102.79K0.00%May 31, 2026
U.S. Core Equity 2 Portfolio7,9260.08%$79.10K0.00%Jul 31, 2026
Dimensional U.S. Targeted Value ETF7,4260.07%$74.11K0.00%Jul 31, 2026
Dimensional U.S. Small Cap ETF4,9700.05%$49.60K0.00%Jul 31, 2026
Vanguard Institutional Total Stock Market Index Fund4,5540.04%$56.11K0.00%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Siew Wai YongCHAIRMAN AND CEO, Director, 10% owner1,310,24712.62%Sep 29, 2026
Anitha SrinivasanCHIEF FINANCIAL OFFICER40,0220.39%Sep 28, 2026
Hwee Poh LimSR CORP VP AND COO (TESTING)231,2682.23%Jul 9, 2026
Jason T. AdelmanDirector210,0942.02%Jun 23, 2026
Hock Ming TingDirector131,0441.26%May 28, 2026
Richard M. HorowitzDirector, 10% owner999,1489.62%May 27, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Siew Wai Yong
CHAIRMAN AND CEO, Director, 10% owner
Sep 28, 2026Option exercise+50,000$3.88$194.00K1,310,247
Anitha Srinivasan
CHIEF FINANCIAL OFFICER
Sep 28, 2026Option exercise+8,005$2.51$20.09K40,022
Anitha Srinivasan
CHIEF FINANCIAL OFFICER
Jul 27, 2026Option exercise+3,002$2.44$7.32K32,017
Anitha Srinivasan
CHIEF FINANCIAL OFFICER
Jul 27, 2026Option exercise+3,000$2.59$7.77K29,015
Jason T. Adelman
Director
Jun 23, 2026Option exercise+70,000$3.11$217.70K210,094
Jason T. Adelman
Director
Jun 19, 2026Sale−5,000$14.88$74.40K140,094
Jason T. Adelman
Director
Jun 18, 2026Sale−5,000$15.84$79.20K145,094
Jason T. Adelman
Director
May 28, 2026Option exercise+70,094$2.57$180.14K150,094
Jason T. Adelman
Director
May 28, 2026Option exercise+40,000$3.88$155.20K80,000
Hock Ming Ting
Director
May 26, 2026Sale−17,200$16.65$286.38K131,044
Jason T. Adelman
Director
May 19, 2026Sale−5,617$13.97$78.47K40,000
Jason T. Adelman
Director
May 19, 2026Sale−9,358$14.01$131.11K45,617
Richard M. Horowitz
Director, 10% owner
May 18, 2026Sale−67,500$18.10$1.22M664,784
Jason T. Adelman
Director
May 18, 2026Sale−10,000$18.11$181.10K69,975
Jason T. Adelman
Director
May 18, 2026Option exercise+39,750$2.25$89.44K89,795
Jason T. Adelman
Director
May 18, 2026Sale−10,000$18.76$187.60K79,975
Jason T. Adelman
Director
May 18, 2026Sale−10,000$16.57$165.70K59,975
Jason T. Adelman
Director
May 18, 2026Sale−5,000$14.87$74.35K54,975
Hwee Poh Lim
SR CORP VP AND COO (TESTING)
Apr 29, 2026Option exercise+5,000$2.62$13.10K231,268
Hwee Poh Lim
SR CORP VP AND COO (TESTING)
Apr 29, 2026Option exercise+10,016$3.09$30.95K226,268
Hwee Poh Lim
SR CORP VP AND COO (TESTING)
Apr 29, 2026Option exercise+3,000$3.88$11.64K174,466
Hwee Poh Lim
SR CORP VP AND COO (TESTING)
Apr 29, 2026Option exercise+18,776$2.51$47.13K216,252
Hwee Poh Lim
SR CORP VP AND COO (TESTING)
Apr 29, 2026Option exercise+15,010$2.44$36.62K197,476
Hwee Poh Lim
SR CORP VP AND COO (TESTING)
Apr 29, 2026Option exercise+8,000$2.59$20.72K182,466
Hock Ming Ting
Director
Apr 20, 2026Sale−2,000$7.13$14.26K148,244
Hock Ming Ting
Director
Apr 17, 2026Sale−3,800$7.08$26.90K150,244
Hock Ming Ting
Director
Apr 16, 2026Sale−4,000$7.04$28.16K154,044
Hock Ming Ting
Director
Apr 15, 2026Sale−3,000$6.99$20.97K158,044
Hock Ming Ting
Director
Apr 14, 2026Sale−12,600$6.93$87.32K161,044
Hock Ming Ting
Director
Apr 13, 2026Sale−6,000$6.73$40.38K173,644
Hock Ming Ting
Director
Apr 9, 2026Sale−4,000$6.78$27.12K179,644
Jason T. Adelman
Director
Mar 16, 2026Sale−5,000$5.61$28.05K50,000
Jason T. Adelman
Director
Mar 10, 2026Sale−5,000$5.82$29.10K55,000
Jason T. Adelman
Director
Mar 6, 2026Sale−7,489$5.53$41.41K60,000
Jason T. Adelman
Director
Mar 5, 2026Sale−4,511$5.55$25.04K67,489
Anitha Srinivasan
CHIEF FINANCIAL OFFICER
Feb 25, 2026Option exercise+7,015$3.09$21.68K26,015
Richard M. Horowitz
Director, 10% owner
Feb 17, 2026Option exercise+40,056$2.64$105.75K661,556
Siew Wai Yong
PRESIDENT AND CEO, Director, 10% owner
Jan 27, 2026Option exercise+80,111$2.64$211.49K1,260,247
Hock Ming Ting
Director
Jan 16, 2026Sale−70$6.78$475183,644
Hock Ming Ting
Director
Jan 15, 2026Sale−3,000$6.90$20.70K186,714
Hock Ming Ting
Director
Jan 12, 2026Sale−5,000$7.08$35.40K189,714
Richard M. Horowitz
Director, 10% owner
Jan 7, 2026Sale−7,500$7.50$56.25K621,500
Hock Ming Ting
Director
Jan 7, 2026Sale+2,000$7.38$14.76K197,314
Hock Ming Ting
Director
Jan 7, 2026Sale+2,000$7.20$14.40K199,314
Hock Ming Ting
Director
Jan 7, 2026Sale+2,000$7.47$14.94K195,314
Hock Ming Ting
Director
Jan 7, 2026Sale+600$7.52$4.51K194,714
Hock Ming Ting
Director
Jan 6, 2026Sale−3,000$6.63$19.89K183,714
Jason T. Adelman
Director
Oct 13, 2025Option exercise+20,000$5.27$105.40K38,000
Anitha Srinivasan
CHIEF FINANCIAL OFFICER
Oct 13, 2025Option exercise+4,500$4.88$21.96K6,000
Anitha Srinivasan
CHIEF FINANCIAL OFFICER
Oct 13, 2025Option exercise+3,500$5.01$17.54K9,500
Richard M. Horowitz
Director, 10% owner
Mar 13, 2025Option exercise+20,000$2.53$50.60K395,364
Jason T. Adelman
Director
Feb 27, 2025Sale−2,000$6.00$12.00K18,000
Jason T. Adelman
Director
Nov 25, 2024Sale−2,000$7.32$14.64K20,000
Jason T. Adelman
Director
Nov 6, 2024Sale−2,000$7.39$14.78K22,000
Jason T. Adelman
Director
Oct 17, 2024Sale−3,000$6.69$20.07K24,000
Jason T. Adelman
Director
Oct 17, 2024Sale−3,000$7.40$22.20K24,000
Jason T. Adelman
Director
Oct 16, 2024Sale−3,000$6.88$20.64K27,000
Jason T. Adelman
Director
Oct 16, 2024Sale−3,000$7.30$21.90K27,000
Richard M. Horowitz
Director
Apr 8, 2024Option exercise+20,000$3.28$65.60K375,364
Jason T. Adelman
Director
Apr 3, 2024Option exercise+20,000$3.28$65.60K30,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Richard M. Horowitz
10% Stockholder
Sep 28, 202691,173$573.48KSep 28, 2026Open Market Purchase
Richard M. Horowitz
Director
Jun 22, 202691,173$454.19KJun 22, 2026open market
Jason T. Adelman
Director
May 15, 202689,975$1.80MMay 15, 2026Exercise of Issuer Stock Option Grant
Hock Ming Ting
Director
Apr 30, 2026138,000$972.90KApr 9, 2026Exercise of Issuer Stock Option Grant
Richard M. Horowitz
Director
Mar 25, 2026317,744$2.01MMar 25, 2026open market
Jason T. Adelman
Director
Dec 31, 2025100,000$1.35MDec 31, 2025Exercise of Issuer Stock Option Grant
Hock Ming Ting
Director
Dec 29, 202592,500$1.19MDec 29, 2025Exercise of Issuer Stock Option Grant
Richard M. Horowitz
Director
Dec 18, 202550,000$500.00KDec 18, 2025Open Market Purchase