Compass, Inc.
Compass, Inc. (COMP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · COMP · as of Sep 30, 2025
Ownership Breakdown
365
Institutional Holders
▲ 36 vs Q2
$3.59B
Total Inst. Value
▲ $1.03B vs Q2
608.18M
Shares Outstanding
freeFloat 96.48%
447.67M
13F Shares Held
▲ 39.53M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
COMP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-computer programming services | 70.21M | 12.65% | 12.65% | $563.81B | Nov 7, 2025 | ▼ 1.49M |
FMR LLC services-computer programming services | 66.72M | 12.02% | 12.02% | $535.73B | Nov 13, 2025 | ▲ 17.96M |
SB INVESTMENT ADVISERS (UK) LTD services-computer programming services | 44.76M | 8.06% | 8.06% | $359.43B | Nov 14, 2025 | ▼ 3.31M |
BLACKROCK, INC. services-computer programming services | 37.25M | 6.71% | 6.71% | $299.13B | Nov 12, 2025 | ▲ 2.42M |
GEODE CAPITAL MANAGEMENT, LLC services-computer programming services | 11.63M | 2.09% | 2.09% | $93.38B | Nov 12, 2025 | ▲ 520.8K |
CITADEL ADVISORS LLC services-computer programming services | 10.95M | 1.97% | 1.97% | $87.91B | Nov 14, 2025 | ▼ 2.56M |
STATE STREET CORP services-computer programming services | 10.24M | 1.84% | 1.84% | $82.22B | Nov 14, 2025 | ▲ 509.7K |
DIMENSIONAL FUND ADVISORS LP services-computer programming services | 7.77M | 1.40% | 1.40% | $62.41B | Nov 12, 2025 | ▲ 580.2K |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP services-computer programming services | 7.06M | 1.27% | 1.27% | $56.69B | Nov 13, 2025 | ▲ 580.7K |
WINSLOW CAPITAL MANAGEMENT, LLC services-computer programming services | 6.93M | 1.25% | 1.25% | $55.68B | Nov 13, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
22
Increased
+42.11M shares8
New Positions
first time holders18
Decreased
−24.25M shares0
Sold Out
fully exitedNet shares change (top 50)
+17.86M
+42.11M / −24.25M
Net new holders
+12
8 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
COMP insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
16
Buy transactions
10
Sell transactions
1.60
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Reffkin Robert L. Chairman and CEO | Jun 3, 2026 | Sale | 22,856 | $7.68 | $175.4K | 7.81M | Form 4 ↗ |
Reffkin Robert L. Chairman and CEO | Jun 3, 2026 | Sale | 600 | $8.28 | $5.0K | 7.80M | Form 4 ↗ |
Martell Frank director | May 14, 2026 | Award | 27,702 | — | — | 27.7K | Form 4 ↗ |
Leinwand Allan director | May 14, 2026 | Award | 27,702 | — | — | 27.7K | Form 4 ↗ |
PHILLIPS JR CHARLES E director | May 14, 2026 | Award | 27,702 | — | — | 27.7K | Form 4 ↗ |
Sordello Steven J director | May 14, 2026 | Award | 27,702 | — | — | 27.7K | Form 4 ↗ |
Sordello Steven J director | May 14, 2026 | Award | 9,677 | — | — | 9.7K | Form 4 ↗ |
Thomas-Graham Pamela director | May 14, 2026 | Award | 27,702 | — | — | 27.7K | Form 4 ↗ |
Williams Dawanna director | May 14, 2026 | Award | 27,702 | — | — | 27.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Compass, Inc. (COMP) is primarily owned by institutional investors, who hold approximately 73.6% of total shares outstanding. Company insiders own approximately 3.52%, while retail and public investors account for the remaining 22.87%.
The largest institutional shareholder of Compass, Inc. is VANGUARD GROUP INC, holding approximately 70.21 million shares — equal to 12.65% of outstanding shares — as of September 30, 2025.
A total of 365 institutional investors currently hold COMP stock, with a combined institutional value of approximately $3.59 billion as of the most recent 13F filing period.
Frequently asked questions
COMP ownershipCompass, Inc. (COMP) is primarily owned by institutional investors, who hold approximately 73.6% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.65% stake. Company insiders hold 3.52%. Data sourced from SEC Form 13F as of September 30, 2025.