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$PRTS
$7.98 +$0.07 (0.88%) Live

Ownership

13F as of Q2 2026 · 8.1M shares outstanding

Who owns PRTS?

By type of holder
Institutions 1.7% Insiders 7.6% Everyone else 90.6%
Concentration Top 7 holders own 9.4%
North Star Investment Management Corp. 1.7% · Meniane David 3.9%
Institutional ownership
1.7%
-98.3 pts vs last qtr
Institutional holders
1
-44 vs last qtr
Net shares bought
−11.4M
by institutions in Q2 2026
New / sold out
0 / 44
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026
  • Vanguard Capital Management LLC SOLD OUT −2.4M
  • BlackRock, Inc. SOLD OUT −2.0M

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Who is planning to sell?

Notices of proposed sale, last 12 months
$119K
2 notices from 1 person
Shares covered
230.5K
2.86% of the company
Arranged in advance
0%
of the value is under a 10b5-1 plan
Under a 10b5-1 plan No plan
$0$59.6K$119.1KNov 2025: $119.1K without a planNovDecJanFebMarAprMayJunJulAugSepOct
Largest proposed sellers
  • Lockwood Ryan Officer $119K
Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
+69.0%
+6.00% a year
Each share's claim on the business
−40.8%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$4.84M vs $79.8M
over 10 fiscal years
Diluted shares, split-adjusted
3.4M4.8M6.2M2016: 3.6M shares'162017: 4.0M shares'172018: 3.5M shares'182019: 3.6M shares'192020: 4.2M shares'202021: 5.1M shares'212022: 5.4M shares'222023: 5.7M shares'232024: 5.7M shares'242025: 6.1M shares'25
Buybacks Stock-based comp
$0$7.8M$15.7M2016 buybacks: $02016 stock comp: $3.1M'162017 buybacks: $02017 stock comp: $2.8M'172018 buybacks: $02018 stock comp: $3.6M'182019 buybacks: $02019 stock comp: $3.7M'192020 buybacks: $02020 stock comp: $7.8M'202021 buybacks: $524.0K2021 stock comp: $15.7M'212022 buybacks: $02022 stock comp: $11.3M'222023 buybacks: $4.3M2023 stock comp: $11.7M'232024 buybacks: $02024 stock comp: $12.0M'242025 buybacks: $02025 stock comp: $8.1M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years100% 3–5 years0% 1–3 years0% Under 1 year0%
Quarterly turnover
49.4%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting PRTS on Form 13F
VC
Vanguard Capital Management LLC
Shares
—
% of company
—
Change vs last qtr
SOLD OUT
Held since
—
B
BlackRock, Inc.
Shares
—
% of company
—
Change vs last qtr
SOLD OUT
Held since
—

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Institutional Funds

Mutual funds and ETFs reporting PRTS on Form N-PORT; together they hold 55.1% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$1.33M
% of company
20.99%
% of the fund
0.00%
As of
March 31, 2026
VE
Vanguard Extended Market Index Fund
Vanguard Index Funds
Position value
$562K
% of company
8.86%
% of the fund
0.00%
As of
March 31, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
MD
Meniane David
Insider
Shares
312.7K
% of company
3.88%
Change vs last qtr
—
Held since
—
HM
Huffaker Michael
Insider
Shares
152.8K
% of company
1.89%
Change vs last qtr
—
Held since
—

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