Advantage Solutions Inc.
ADV- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001776661
No open-market purchases or sales by Advantage Solutions Inc. insiders were filed in the last 90 days; 86 institutions reported holding it in 13F filings for Q2 2026, worth $180.0M in total; no superinvestor holds it.
Holders of 5% or more of ADV
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Advantage Solutions Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Karman Topco L.P. | 13D/A | 52.60%7.00M shares | – | Jan 20, 20215 filings | May 18, 2026 | SEC |
| CastleKnight Master Fund LP | 13G/A | 5.90%757.4K shares | +0.40 ppfrom 5.50% | Mar 26, 20262 filings | Aug 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
15 Schedule 13D and 13G filings on Advantage Solutions Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20266:35 PM ET | CastleKnight Master Fund LPand 5 others | 13G/A | 5.90%757.4K shares | +0.40 ppfrom 5.50% | Jun 30, 2026 | SEC |
| May 18, 20264:30 PM ET | Karman Topco L.P. | 13D/A | 52.60%7.00M shares | – | May 14, 2026 | SEC |
| Mar 26, 20264:17 PM ET | CastleKnight Master Fund LPand 5 others | 13G | 5.50%18.1M shares | New | Mar 19, 2026 | SEC |
| Feb 14, 20259:45 AM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 4.80%15.3M shares | –Below 5% | Dec 31, 2024 | SEC |
| Nov 14, 2024 | T. Rowe Price Investment Management, Inc. | 13GOld format | – | New | – | SEC |
| May 1, 2024 | Karman Topco L.P. | 13D/AOld format | – | – | – | SEC |
| Nov 8, 2023 | Karman Topco L.P. | 13D/AOld format | – | – | – | SEC |
| Sep 19, 2023 | Karman Topco L.P. | 13D/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Conyers Park II Sponsor LLC | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Woodson Capital Management, LP | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Alyeska Investment Group, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Governors Lane LP | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Integrated Core Strategies (US) LLC | 13G/AOld format | – | – | – | SEC |
| Feb 3, 20218:55 PM ET | Manulife Financial Corp | 13G/AOld format | – | – | – | SEC |
| Jan 20, 2021 | Karman Topco L.P. | 13D/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
4 notices from officers, directors and other affiliates planning to sell Advantage Solutions Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Feb 3, 20264:12 PM ET | Peacock David AOfficer · Director | 65.8K | $65.2K | Feb 3, 2026 | Fidelity Brokerage Services LLC | SEC |
| Sep 12, 20254:27 PM ET | Young AndreaFormer officer | 52.6K | $98.9K | Sep 12, 2025 | Fidelity Brokerage Services LLC | SEC |
| Mar 12, 20252:26 PM ET | Poole DeborahDirector | 34.0K | $58.4K | Mar 12, 2025 | Fidelity Brokerage Services LLC | SEC |
| Nov 21, 20244:37 PM ET | Young AndreaOfficer | 66.0K | $226.5K | Nov 21, 2024 | Fidelity Brokerage Services LLC | SEC |