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 Mar 31, 2025
Ownership Breakdown
324
Institutional Holders
▲ 22 vs Q4
$3.41B
Total Inst. Value
▲ $1.28B vs Q4
608.18M
Shares Outstanding
freeFloat 96.48%
390.03M
13F Shares Held
▲ 27.08M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-computer programming services | 70.36M | 12.79% | 12.79% | $614.21B | May 9, 2025 | ▲ 1.46M |
SB INVESTMENT ADVISERS (UK) LTD services-computer programming services | 48.07M | 8.74% | 8.74% | $419.65B | May 15, 2025 | ▼ 10.00M |
FMR LLC services-computer programming services | 40.39M | 7.34% | 7.34% | $352.57B | May 12, 2025 | ▼ 3.21M |
BLACKROCK, INC. services-computer programming services | 28.93M | 5.26% | 5.26% | $252.55B | May 2, 2025 | ▼ 193.6K |
CITADEL ADVISORS LLC services-computer programming services | 11.61M | 2.11% | 2.11% | $101.37B | May 15, 2025 | ▲ 7.67M |
GEODE CAPITAL MANAGEMENT, LLC services-computer programming services | 9.93M | 1.80% | 1.80% | $86.69B | May 13, 2025 | ▲ 364.4K |
STATE STREET CORP services-computer programming services | 8.65M | 1.57% | 1.57% | $75.47B | May 15, 2025 | ▼ 216.5K |
DRIEHAUS CAPITAL MANAGEMENT LLC services-computer programming services | 8.24M | 1.50% | 1.50% | $71.92B | May 15, 2025 | ▲ 4.19M |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP services-computer programming services | 7.76M | 1.41% | 1.41% | $67.77B | May 14, 2025 | ▲ 1.89M |
WINSLOW CAPITAL MANAGEMENT, LLC services-computer programming services | 6.93M | 1.26% | 1.26% | $60.54B | May 14, 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
Q1 2025 vs prior quarter
Q1 2025
35
Increased
+39.83M shares3
New Positions
first time holders10
Decreased
−22.91M shares0
Sold Out
fully exitedNet shares change (top 50)
+16.91M
+39.83M / −22.91M
Net new holders
+28
3 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 64.1% of total shares outstanding. Company insiders own approximately 3.52%, while retail and public investors account for the remaining 32.35%.
The largest institutional shareholder of Compass, Inc. is VANGUARD GROUP INC, holding approximately 70.36 million shares — equal to 12.79% of outstanding shares — as of March 31, 2025.
A total of 324 institutional investors currently hold COMP stock, with a combined institutional value of approximately $3.41 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 64.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.79% stake. Company insiders hold 3.52%. Data sourced from SEC Form 13F as of March 31, 2025.