13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Plastic Materials, Synth Resins & Nonvulcan ElastomersCyclicalNet sold
ASIX

ADVANSIX INC

285 institutions still hold ADVANSIX INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00773T101·Plastic Materials, Synth Resins & Nonvulcan Elastomers·285 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 5.1%
vs prior quarter
13F value held
$381M
54.0% inst. owned
of float
Holders
285
-116 QoQ
filers reporting
Activity
+79 / −92
+826 added · −774 reduced
this quarter
Concentration
14.62%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

285 institutions reported ASIX in Q1 2026. BlackRock, Inc. leads at 14.6% of the visible book. -116 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$56M2.3M0.00%Q1 202602
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$32M1.3M0.01%Q1 202603
AEGIS FINANCIAL CORP
CIK 0001140753
$30M1.2M5.08%Q1 202604
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$27M1.1M0.01%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$27M1.1M0.00%Q1 202606
CastleKnight Management LP
CIK 0001835751
$25M1.0M0.41%Q1 202607
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$18M728K0.01%Q1 202608
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$17M696K0.00%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$16M652K0.00%Q1 202610
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$16M639K0.01%Q1 202611
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$15M871K0.00%Q1 202612
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$15M613K0.01%Q1 202613
FMR LLC
CIK 0000315066
$15M608K0.00%Q1 202614
STATE STREET CORP
CIK 0000093751
$14M567K0.00%Q1 202615
Solas Capital Management, LLC
CIK 0001604867
$13M517K7.26%Q1 202616
GOLDMAN SACHS GROUP INC
CIK 0000886982
$12M490K0.00%Q1 202617
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$10M405K0.00%Q1 202618
MORGAN STANLEY
CIK 0000895421
$10M402K0.00%Q1 202619
Russell Investments Group, Ltd.
CIK 0001692234
$8M330K0.01%Q1 202620
Vanguard Portfolio Management
CIK 0002100121
$7M286K0.00%Q1 2026
Page 1 of 15
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