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Rush Enterprises Class B
RUSHB

145 hedge funds and large institutions have $440M invested in Rush Enterprises Class B in 2026 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 47 increasing their positions, 37 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

121% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 14

27% more repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 37

18% more capital invested

Capital invested by funds: $373M → $440M (+$67.1M)

11% more funds holding

Funds holding: 131 → 145 (+14)

1.28% more ownership

Funds ownership: 40.32% → 41.6% (+1.3%)

Holders
145
Holders Change
+14
Holders Change %
+10.69%
% of All Funds
1.78%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
31
Increased
47
Reduced
37
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
American Century Companies
American Century Companies
Missouri
+$4.42M
2
GC
Globeflex Capital
California
+$3.65M
3
BIG
Brooklyn Investment Group
New York
+$3.29M
4
Los Angeles Capital Management
Los Angeles Capital Management
California
+$1.69M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$934K

Top Sellers

1
Millennium Management
Millennium Management
New York
-$1.65M
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$1.18M
3
Teacher Retirement System of Texas
Teacher Retirement System of Texas
Texas
-$972K
4
CFB
Cullen/Frost Bankers
Texas
-$844K
5
BlackRock
BlackRock
New York
-$797K
Name Holding Trade Value Shares
Change 		Change in
Stake
TI
26
Trexquant Investment
Connecticut
$1.52M +$16.7K +271 +1%
Morgan Stanley
27
Morgan Stanley
New York
$1.47M -$279K -4,528 -17%
Qube Research & Technologies (QRT)
28
Qube Research & Technologies (QRT)
United Kingdom
$1.44M -$157K -2,553 -10%
QCM
29
Quantinno Capital Management
New York
$1.34M +$404K +6,564 +46%
JCP
30
JB Capital Partners
New York
$1.31M – – –
State Board of Administration of Florida Retirement System
31
State Board of Administration of Florida Retirement System
Florida
$1.22M – – –
UBS AM
32
UBS AM
Illinois
$1.21M +$138K +2,243 +14%
EFG
33
Everhart Financial Group
Ohio
$1.12M +$69.6K +1,130 +7%
CIM
34
Corbyn Investment Management
Maryland
$1.12M – – –
Swiss National Bank
35
Swiss National Bank
Switzerland
$933K – – –
XT
36
XTX Topco
Cayman Islands
$887K +$428K +6,959 +102%
JP Morgan Chase
37
JP Morgan Chase
New York
$849K -$248K -4,034 -23%
CAPTRUST Financial Advisors
38
CAPTRUST Financial Advisors
North Carolina
$822K +$5.48K +89 +0.7%
Barclays
39
Barclays
United Kingdom
$811K -$700K -11,378 -47%
Franklin Resources
40
Franklin Resources
California
$752K +$208K +3,373 +41%
I
41
InceptionR
California
$744K +$712K +11,565 New
Bank of America
42
Bank of America
North Carolina
$681K +$32.6K +530 +5%
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$680K -$22.7K -369 -3%
AQR Capital Management
44
AQR Capital Management
Connecticut
$675K +$142K +2,309 +28%
Deutsche Bank
45
Deutsche Bank
Germany
$671K +$78.5K +1,275 +14%
MC
46
Muhlenkamp & Co
Pennsylvania
$608K -$2.89K -47 -0.5%
California State Teachers Retirement System (CalSTRS)
47
California State Teachers Retirement System (CalSTRS)
California
$520K -$3.94K -64 -0.8%
AllianceBernstein
48
AllianceBernstein
Tennessee
$513K -$86.2K -1,400 -13%
Legal & General Group
49
Legal & General Group
United Kingdom
$505K -$55.3K -898 -10%
VI
50
Vestcor Inc
New Brunswick, Canada
$469K – – –
1
2
3 4 5

RUSHB Hedge Fund Activity: Q1 2026 in Review

145 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Rush Enterprises Class B (RUSHB) for Q1 2026, worth a combined $440M — up 18% from $373M a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new RUSHB positions and 14 closed out — a net gain of 17 holders — while 47 added to existing stakes and 37 trimmed.

The largest buyer was American Century Companies, adding an estimated $4.42M. The largest seller was Millennium Management, cutting an estimated $1.65M.

  • 145 institutional investors held Rush Enterprises Class B (RUSHB) as of Q1 2026, up from 131 in Q4 2025.
  • Funds reported $440M of Rush Enterprises Class B stock for Q1 2026, up 18% quarter-over-quarter.
  • 31 funds opened new Rush Enterprises Class B positions in Q1 2026 and 14 closed out, a net change of +17 holders.
  • The largest Rush Enterprises Class B buyer in Q1 2026 was American Century Companies, an estimated $4.42M added.
  • The largest Rush Enterprises Class B seller in Q1 2026 was Millennium Management, an estimated $1.65M sold.

Based on aggregated 13F filings for Q1 2026.