13F Insight
DOSSIER · 13F Holders · Q2 2026
BCHT

BIRCHTECH CORP

27 institutions still hold BIRCHTECH CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 59833H200·27 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$9M
visible holders
Holders
27
filers reporting
Concentration
23.18%
HEARTLAND ADVISORS INC #1
top holder share
AI Holders Summary · Q2 2026

27 institutions reported BCHT in Q2 2026. HEARTLAND ADVISORS INC leads at 23.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
HEARTLAND ADVISORS INC
CIK 0000937394
$2M1.0M0.09%Q2 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1M721K0.00%Q2 202603
Ancora Advisors LLC
CIK 0001446114
$1M700K0.03%Q2 202604
CHAPIN DAVIS, INC.
CIK 0000872098
$947K677K0.18%Q3 202605
Aristides Capital LLC
CIK 0001595521
$871K425K0.17%Q2 202606
WHITE PINE CAPITAL LLC
CIK 0001137429
$677K330K0.16%Q2 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$285K139K0.00%Q2 202608
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$213K104K0.00%Q2 202609
BlackRock, Inc.
CIK 0002012383
$146K71K0.00%Q2 202610
ARS Investment Partners, LLC
CIK 0000733020
$132K64K0.01%Q2 202611
Sigma Planning Corp
CIK 0001449126
$107K52K0.00%Q2 202612
Diametric Capital, LP
CIK 0001719087
$105K53K0.01%Q2 202613
NORTHERN TRUST CORP
CIK 0000073124· Index
$97K48K0.00%Q2 202614
CITADEL ADVISORS LLC
CIK 0001423053
$85K41K0.00%Q2 202615
Crewe Advisors LLC
CIK 0001730033
$73K36K0.01%Q2 202616
Corient Private Wealth LLC
CIK 0001948780
$44K22K0.00%Q2 202617
UBS Group AG
CIK 0001610520
$32K16K0.00%Q2 202618
WATERS PARKERSON & CO., LLC
CIK 0001222993
$27K13K0.00%Q2 202619
CIBC WORLD MARKET INC.
CIK 0001421224
$22K11K0.00%Q2 202620
Smartleaf Asset Management LLC
CIK 0002010393
$19K9K0.00%Q2 2026
Page 1 of 2
7 more holders available. Log in →
Insiders at BIRCHTECH CORP
Macpherson Richard →Kaye David M →Pavlish John →Coogler Mitzi H →