$ADV

$28.76 -$1.52 (5.02%) Close

$ADV Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 12.8M shares outstanding

Who owns ADV?

By type of holder

Institutions 32.5% Insiders 0.0% Everyone else 67.5%

Concentration Top 10 holders own 78.9%

Karman Topco L.P. 54.6% · CastleKnight Management LP 4.5%

Institutional ownership

32.5%

+0.9 pts vs last qtr

Institutional holders

+17 vs last qtr

Net shares bought

+118.1K

by institutions in Q2 2026

New / sold out

27 / 10

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Walleye Capital LLC NEW +59.9K
BlackRock, Inc. +58.5K

Biggest sellers in Q2 2026

CastleKnight Management LP −167.0K
Dimensional Fund Advisors LP −60.5K

Who is planning to sell?

Notices of proposed sale, last 12 months

$65.2K

1 notice from 1 person

Shares covered

65.8K

0.51% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Peacock David A Officer $65.2K

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, FY2019–FY2025

+59.3%

+8.07% a year

Each share's claim on the business

−37.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$53.9M vs $118M

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years43% 3–5 years31% 1–3 years16% Under 1 year10%

Quarterly turnover

11.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ADV on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
CM CastleKnight Management LP	581.3K	4.53%	−167.0K (−22.3%)	2022	0.3%
Shares held by quarter Peak holding11.8M (Q4'25) Change over 8 quarters−1.8M Share of the company4.530% CastleKnight Management LP's full portfolio →
LG Leonard Green & Partners, L.P.	618.0K	4.82%	Unchanged	≤2021	2.8%
Shares held by quarter Peak holding15.5M (Q3'24) Change over 8 quarters−14.8M Share of the company4.820% Leonard Green & Partners, L.P.'s full portfolio →

CastleKnight Management LP

581.3K

% of company

4.53%

Change vs last qtr

−167.0K (−22.3%)

Held since

2022

Leonard Green & Partners, L.P.

618.0K

% of company

4.82%

Change vs last qtr

Unchanged

Held since

≤2021

28 more super investors behind a free account

See every manager holding Advantage Solutions Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ADV on Form N-PORT; together they hold 6.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$6.26M	144.8K	1.13%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$4.89M	113.1K	0.88%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$6.26M

% of company

1.13%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$4.89M

% of company

0.88%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Advantage Solutions Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
KT Karman Topco L.P. 5%+ holder 13D · 52.6%	7.0M	54.58%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company54.580% Disclosed stake13D · 52.6% View the 13D/G filing →

Karman Topco L.P.

5%+ holder13D · 52.6%

7.0M

% of company

54.58%

Change vs last qtr

—

Held since

—

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