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CarParts.com

55 hedge funds and large institutions have $13.1M invested in CarParts.com in 2025 Q3 according to their latest regulatory filings, with 9 funds opening new positions, 9 increasing their positions, 20 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.73% less ownership

Funds ownership: 3.86%3.13% (-0.73%)

8% less funds holding

Funds holding: 6055 (-5)

21% less capital invested

Capital invested by funds: $16.7M → $13.1M (-$3.58M)

36% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 14

55% less repeat investments, than reductions

Existing positions increased: 9 | Existing positions reduced: 20

Holders
55
Holders Change
-5
Holders Change %
-8.33%
% of All Funds
0.72%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
9
Increased
9
Reduced
20
Closed
14
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
OCMI
1
Oaktop Capital Management II
New Jersey
$3.27M
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.82M +$46.3K +5,686 +2%
BlackRock
3
BlackRock
New York
$1.41M -$372K -45,712 -19%
Mackenzie Financial
4
Mackenzie Financial
Ontario, Canada
$1.07M +$206K +25,285 +20%
NSIM
5
North Star Investment Management
Illinois
$987K +$731K +89,791 +183%
Renaissance Technologies
6
Renaissance Technologies
New York
$936K +$102K +12,480 +10%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$403K -$358 -44 -0.1%
GCP
8
GSA Capital Partners
United Kingdom
$401K -$213K -26,164 -32%
UBS Group
9
UBS Group
Switzerland
$381K -$82.4K -10,132 -16%
Fidelity Investments
10
Fidelity Investments
Massachusetts
$364K +$40.8K +5,010 +11%
KA
11
Kerrisdale Advisers
Florida
$180K
Boston Partners
12
Boston Partners
Massachusetts
$175K -$157K -19,266 -44%
State Street
13
State Street
Massachusetts
$149K
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$114K -$731K -89,867 -85%
Citadel Advisors
15
Citadel Advisors
Florida
$106K +$121K +14,877 New
WN
16
Williams & Novak
California
$105K -$7.44K -915 -6%
Two Sigma Investments
17
Two Sigma Investments
New York
$102K -$187K -22,991 -62%
Barclays
18
Barclays
United Kingdom
$91.9K -$1.28K -157 -1%
BCM
19
Bridgeway Capital Management
Texas
$86.9K -$20.3K -2,500 -17%
Northern Trust
20
Northern Trust
Illinois
$82.6K
Goldman Sachs
21
Goldman Sachs
New York
$82.5K +$27.1K +3,329 +40%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$76.2K -$157K -19,280 -64%
HSBC Holdings
23
HSBC Holdings
United Kingdom
$74.5K -$8.75K -1,075 -9%
RC
24
RBF Capital
California
$73.8K
PMG
25
Private Management Group
California
$64.9K +$74.3K +9,133 New

PRTS Hedge Fund Activity: Q3 2025 in Review

55 of the 7,625 institutional investors tracked by Wall St. Rank reported a position in CarParts.com (PRTS) for Q3 2025, worth a combined $13.1M — down 21% from $16.7M a quarter earlier.

Sellers outnumbered buyers: 14 funds closed out of PRTS and 9 opened new positions — a net loss of 5 holders — while 20 trimmed existing stakes and 9 added.

The largest buyer was North Star Investment Management, adding an estimated $731K. The largest seller was Western Standard LLC, exiting entirely with an estimated $1.42M sold.

  • 55 institutional investors held CarParts.com (PRTS) as of Q3 2025, down from 60 in Q2 2025.
  • Funds reported $13.1M of CarParts.com stock for Q3 2025, down 21% quarter-over-quarter.
  • 9 funds opened new CarParts.com positions in Q3 2025 and 14 closed out, a net change of -5 holders.
  • The largest CarParts.com buyer in Q3 2025 was North Star Investment Management, an estimated $731K added.
  • The largest CarParts.com seller in Q3 2025 was Western Standard LLC, an estimated $1.42M sold.

Based on aggregated 13F filings for Q3 2025.