PERMA-FIX ENVIRONMENTAL SVCS (PESI) is held by 54 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling PESI?

In Q1 2026, 27 institutions opened or increased positions in PERMA-FIX ENVIRONMENTAL SVCS while 24 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on PESI?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for PERMA-FIX ENVIRONMENTAL SVCS.

How many hedge funds hold PESI?

54 institutional investors report holding PERMA-FIX ENVIRONMENTAL SVCS (PESI) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into PESI?

As of Q1 2026, tracked institutions in PERMA-FIX ENVIRONMENTAL SVCS show 27 buyers versus 24 sellers — net inflows.

PERMA-FIX ENVIRONMENTAL SVCS

PESI·714157203·US·Common Stock·Industrials - Waste Management-13D/G

Holders

Avg rating(14 Elite)

$50.1M

Total Value

53% (58)

Fund Consensus

27 buying - 24 selling

PESmart Money Verdict

View all

Held by 54 funds

14 elite

Who's Trading

ActivistHAHOLD Alapkezelo Zrt.5.1%Mar 30, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderDCDuggan Kerry CSell $49KSep 16, 2025

InsiderSLShelton LarryBuy $9KSep 11, 2025

InsiderDMDuff MarkBuy $7KSep 11, 2025

InsiderSLShelton LarryBuy $10KSep 9, 2025

InsiderDCDuggan Kerry CSellMay 30, 2025

InsiderDMDuff MarkBuy $5KMar 21, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	1.2M(-2.3%)	$12.5M	0.0%	+29.30%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	759,435	$8.1M	0.0%	-0.57%	38
GEODE CAPITAL MANAGEMENT, LLC	Increased	432,701(+2.3%)	$4.6M	0.0%	+54.98%	27
DIAMOND HILL CAPITAL MANAGEMENT INC	Decreased	355,978(-8.0%)	$3.8M	0.0%	+27.23%	0
STATE STREET CORP	Increased	335,547(+7.5%)	$3.6M	0.0%	+33.71%	29
GROUP ONE TRADING LLC	Increased	247,674(+6050.3%)	$2.6M	0.0%	-0.13%	42
DIMENSIONAL FUND ADVISORS LP	Decreased	163,787(-0.6%)	$1.8M	0.0%	+26.70%	0
GOLDMAN SACHS GROUP INC	Increased	142,687(+98.3%)	$1.5M	0.0%	+14.50%	41
NORTHERN TRUST CORP	Increased	129,568(+4.9%)	$1.4M	0.0%	+33.94%	27
VFVANGUARD FIDUCIARY TRUST CO	New	119,253	$1.3M	0.0%	-0.57%	35
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	100,318	$1.1M	0.0%	-0.57%	35
CITADEL ADVISORS LLC	Increased	69,313(+91.8%)	$740,956	0.0%	+22.90%	39
DED. E. Shaw & Co., Inc.	Decreased	62,989(-34.4%)	$673,352	0.0%	+20.27%	0
UBS Group AG	Increased	62,082(+114.3%)	$663,657	0.0%	+9.85%	40
SOSquarepoint Ops LLC	Increased	51,940(+41.0%)	$555,239	0.0%	+4.64%	32
BANK OF AMERICA CORP /DE/	Increased	45,190(+3.5%)	$483,081	0.0%	+34.88%	17
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	43,590(-10.3%)	$465,977	0.0%	+37.64%	0
Bank of New York Mellon Corp	Decreased	40,379(-8.3%)	$431,647	0.0%	+36.40%	0
SIMPLEX TRADING, LLC	New	31,318	$334,789	0.0%	-0.57%	33
JANE STREET GROUP, LLC	Decreased	28,525(-80.2%)	$304,932	0.0%	+17.20%	0