Mistras Group, Inc.: which funds bought and sold

Institutions that bought and sold Mistras Group shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 83 institutions that filed 13F reports for both quarters added to or opened positions in Mistras Group, and 46 cut or closed them. Together they added a net 1.6M shares, +8.8% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 133K shares (+2.4%); index fund managers were net buyers of 826K shares (+29.1%). 26 opened a new position and 16 sold out entirely.

Bought, Q2 2026 83 institutions, 26 of them new holders Sold, Q2 2026 46 institutions, 16 of them sold out

Net change, all compared +1.6M shares (+8.8%)

Net change, active managers +133K shares (+2.4%), 12 bought, 16 sold

Buyers versus sellers

institutions compared, 153

83 bought 24 46 sold

Active managers and hedge funds 12 bought · 16 sold · +133K

Index fund managers 9 bought · 0 sold · +826K

Other institutions 62 bought · 30 sold · +651K

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
First Eagle Investment Management, LLC Active manager	+826K +293.5%	1.1M	$19.4M
Blackrock, Inc. Index funds	+307K +35.7%	1.2M	$20.4M
Geode Capital Management, LLC Index funds	+157K +44.3%	510K	$8.9M
Vanguard Capital Management LLC Index funds	+122K +13.2%	1.1M	$18.4M
Acadian Asset Management LLC Active manager	+118K +74.6%	277K	$4.8M
Equitable Holdings, Inc.	+86K New position	86K	$1.5M
Vanguard Portfolio Management LLC Index funds	+79K +124.5%	143K	$2.5M
Uniplan Investment Counsel, Inc.	+78K New position	78K	$1.4M
State Street Corp Index funds	+74K +23.6%	386K	$6.7M
UBS Group AG	+68K +403.9%	84K	$1.5M
Susquehanna International Group, LLP	+66K New position	66K	$1.2M
Juniper Investment Company, LLC	+61K New position	61K	$1.1M
Mill Road Capital Management LLC	+59K +3.2%	1.9M	$33.7M
Qube Research & Technologies Ltd Hedge fund	+58K +26.5%	276K	$4.8M
Algert Global LLC Hedge fund	+53K +29.8%	233K	$4.1M
Numerai Gp LLC	+50K New position	50K	$872,889
Royce & Associates LP Active manager	+48K +3.1%	1.6M	$27.6M
Ellsworth Advisors, LLC	+42K New position	42K	$679,172
Northern Trust Corp Index funds	+42K +26.4%	202K	$3.5M
LPL Financial LLC	+41K New position	41K	$711,623

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
First Eagle Investment Management, LLC Active manager	+826K +293.5%	1.1M	$19.4M
Acadian Asset Management LLC Active manager	+118K +74.6%	277K	$4.8M
Qube Research & Technologies Ltd Hedge fund	+58K +26.5%	276K	$4.8M
Algert Global LLC Hedge fund	+53K +29.8%	233K	$4.1M
Royce & Associates LP Active manager	+48K +3.1%	1.6M	$27.6M
O'Shaughnessy Asset Management, LLC Active manager	+26K +19.4%	161K	$2.8M
Citadel Advisors LLC Hedge fund	+25K +20.0%	151K	$2.6M
AQR Capital Management LLC Hedge fund	+16K +77.3%	37K	$650,670
Quadrature Capital Ltd Hedge fund	+10K New position	10K	$182,160
American Century Companies Inc Active manager	+6,004 +12.3%	55K	$957,391

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Invenomic Capital Management LP Hedge fund	−453K Sold out	0	—
Clearline Capital LP Hedge fund	−287K −51.7%	267K	$4.7M
Inspire Investing, LLC	−116K Sold out	0	—
Sei Investments Co	−103K −50.2%	102K	$1.8M
Two Sigma Investments, LP Hedge fund	−82K −35.4%	149K	$2.6M
Lazard Asset Management LLC Active manager	−70K Sold out	0	—
Jane Street Group, LLC	−50K Sold out	0	—
D. E. Shaw & Co., Inc. Hedge fund	−42K −48.6%	44K	$772,628
Millennium Management LLC Hedge fund	−37K Sold out	0	—
HRT Financial LP	−27K Sold out	0	—
Squarepoint Ops LLC Hedge fund	−19K Sold out	0	—
Renaissance Technologies LLC Hedge fund	−18K −14.8%	103K	$1.8M
Engineers Gate Manager LP Hedge fund	−18K Sold out	0	—
Arrowstreet Capital, Limited Partnership Hedge fund	−12K Sold out	0	—
Essex Investment Management Co LLC	−11K −4.3%	257K	$4.5M
Trexquant Investment LP Hedge fund	−11K −24.0%	33K	$583,131
Weber Capital Management LLC	−8,815 −0.6%	1.4M	$25.3M
Jacobs Levy Equity Management, Inc Active manager	−8,579 −7.5%	106K	$1.9M
Kemnay Advisory Services Inc.	−5,550 Sold out	0	—
Franklin Resources Inc Active manager	−4,434 −17.5%	21K	$366,311

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Invenomic Capital Management LP Hedge fund	−453K Sold out	0	—
Clearline Capital LP Hedge fund	−287K −51.7%	267K	$4.7M
Two Sigma Investments, LP Hedge fund	−82K −35.4%	149K	$2.6M
Lazard Asset Management LLC Active manager	−70K Sold out	0	—
D. E. Shaw & Co., Inc. Hedge fund	−42K −48.6%	44K	$772,628
Millennium Management LLC Hedge fund	−37K Sold out	0	—
Squarepoint Ops LLC Hedge fund	−19K Sold out	0	—
Renaissance Technologies LLC Hedge fund	−18K −14.8%	103K	$1.8M
Engineers Gate Manager LP Hedge fund	−18K Sold out	0	—
Arrowstreet Capital, Limited Partnership Hedge fund	−12K Sold out	0	—

New positions

largest by value

Institution	Shares	Value June 30, 2026
Equitable Holdings, Inc.	86K	$1.5M
Uniplan Investment Counsel, Inc.	78K	$1.4M
Susquehanna International Group, LLP	66K	$1.2M
Juniper Investment Company, LLC	61K	$1.1M
Numerai Gp LLC	50K	$872,889
LPL Financial LLC	41K	$711,623
Concentric Capital Strategies, LP	40K	$690,851
Ellsworth Advisors, LLC	42K	$679,172
Xtx Topco Ltd	32K	$558,551
Dynamic Technology Lab Private Ltd	20K	$343,000

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Invenomic Capital Management LPHedge fund	453K	$6.7M
Inspire Investing, LLC	116K	$1.7M
Lazard Asset Management LLCActive manager	70K	$1M
Jane Street Group, LLC	50K	$735,512
Millennium Management LLCHedge fund	37K	$546,387
HRT Financial LP	27K	$395,000
Squarepoint Ops LLCHedge fund	19K	$277,568
Engineers Gate Manager LPHedge fund	18K	$259,655
Arrowstreet Capital, Limited PartnershipHedge fund	12K	$178,897
Kemnay Advisory Services Inc.	5,550	$82,029

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 137
Ten largest holders: 62.0%
Index fund managers: 18.5%
Active managers and hedge funds: 28.9%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	12	16	1	6	+133K	+2.4%
Index fund managers	9	0	0	0	+826K	+29.1%
Other institutions	62	30	25	10	+651K	+6.7%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Mistras Group.

Only managers that filed a holdings report for both quarters are compared (153 here). 1 other holder is left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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