13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
RUSHB

RUSH ENTERPRISES INC

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

CUSIP 781846308·154 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.1%
vs prior quarter
13F value held
$399M
56.0% inst. owned
of float
Holders
154
0 QoQ
filers reporting
Activity
+48 / −19
+982 added · −898 reduced
this quarter
Concentration
20.84%
DIMENSIONAL FUND ADVISORS LP #1
top holder share
AI Holders Summary · Q1 2026

154 institutions reported RUSHB in Q1 2026. DIMENSIONAL FUND ADVISORS LP leads at 20.8% of the visible book. +0 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$83M1.3M0.02%Q1 202602
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
$69M1.1M0.68%Q1 202603
BlackRock, Inc.
CIK 0002012383
$38M585K0.00%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$37M575K0.00%Q1 202605
GABELLI FUNDS LLC
CIK 0001081407
$34M531K0.23%Q1 202606
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$22M350K0.04%Q1 202607
PRIVATE MANAGEMENT GROUP INC
CIK 0001142031
$21M325K0.60%Q1 202608
Vanguard Portfolio Management
CIK 0002100121
$21M319K0.00%Q1 202609
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$15M241K0.01%Q1 202610
STATE STREET CORP
CIK 0000093751
$14M213K0.00%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$9M136K0.00%Q1 202612
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$6M89K0.00%Q1 202613
SEI INVESTMENTS CO
CIK 0000350894
$5M80K0.00%Q1 202614
Bank of New York Mellon Corp
CIK 0001390777
$5M72K0.00%Q1 202615
NORTHERN TRUST CORP
CIK 0000073124· Index
$4M69K0.00%Q1 202616
VISTA INVESTMENT MANAGEMENT
CIK 0001740140
$4M62K1.33%Q1 202617
GLOBEFLEX CAPITAL L P
CIK 0000921531
$4M59K0.58%Q1 202618
Brooklyn Investment Group
CIK 0001795705
$3M53K0.11%Q1 202619
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$3M42K0.00%Q1 202620
Teton Advisors, LLC
CIK 0002086025
$3M41K1.85%Q1 2026
Page 1 of 8
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