
Enterprise Bancorp, Inc.
Enterprise Bancorp, Inc. (EBTC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · EBTC · as of Jun 30, 2025
Ownership Breakdown
95
Institutional Holders
▲ 3 vs Q1
$181.33M
Total Inst. Value
▲ $7.93M vs Q1
12.51M
Shares Outstanding
freeFloat 77.40%
4.57M
13F Shares Held
▲ 120,225 vs Q1
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
EBTC largest shareholders · institutional ownership
Q2 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. state commercial banks | 777.4K | 6.24% | 6.24% | $30.82B | Aug 12, 2025 | ▼ 31.3K |
VANGUARD GROUP INC state commercial banks | 552.4K | 4.43% | 4.43% | $21.90B | Aug 11, 2025 | ▲ 35.8K |
DIMENSIONAL FUND ADVISORS LP state commercial banks | 410.9K | 3.30% | 3.30% | $16.29B | Aug 12, 2025 | ▲ 14.0K |
GEODE CAPITAL MANAGEMENT, LLC state commercial banks | 245.9K | 1.97% | 1.97% | $9.75B | Aug 8, 2025 | ▲ 9.5K |
MANUFACTURERS LIFE INSURANCE COMPANY, THE state commercial banks | 201.2K | 1.61% | 1.61% | $7.98B | Aug 14, 2025 | ▼ 3.6K |
STATE STREET CORP state commercial banks | 193.8K | 1.56% | 1.56% | $7.68B | Aug 14, 2025 | ▼ 15.0K |
AMERICAN CENTURY COMPANIES INC state commercial banks | 175.8K | 1.41% | 1.41% | $6.97B | Aug 12, 2025 | ▲ 42.7K |
QUBE RESEARCH & TECHNOLOGIES LTD state commercial banks | 144.4K | 1.16% | 1.16% | $5.72B | Aug 14, 2025 | ▲ 11.2K |
CITIGROUP INC state commercial banks | 121.1K | 97.12% | 97.12% | $4.80B | Aug 11, 2025 | ▼ 3.5K |
COMMONWEALTH EQUITY SERVICES, LLC state commercial banks | 109.7K | 88.03% | 88.03% | $4.35B | Aug 6, 2025 | ▼ 855 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q2 2025 vs prior quarter
Q2 2025
26
Increased
+276.5K shares2
New Positions
first time holders16
Decreased
−113.0K shares0
Sold Out
fully exitedNet shares change (top 50)
+163.5K
+276.5K / −113.0K
Net new holders
+12
2 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
EBTC insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
104
Sell transactions
0.00
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | Tax Withhold | 1,237 | $39.64 | $49.0K | 39.5K | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 376 | $32.73 | $12.3K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 571 | $21.68 | $12.4K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 375 | $34.33 | $12.9K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 39,471.408 | $2.00 | $78.9K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 519 | $29.84 | $15.5K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 537 | $28.22 | $15.2K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 391 | $38.58 | $15.1K | 0 | Form 4 ↗ |
Szablak Chester J JR EVP - Principal Subsidiary | Jul 1, 2025 | D-Return | 397 | $30.46 | $12.1K | 0 | Form 4 ↗ |
MAIN RICHARD W President | Jul 1, 2025 | Tax Withhold | 2,147 | $39.64 | $85.1K | 223.2K | 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
Enterprise Bancorp, Inc. (EBTC) is primarily owned by institutional investors, who hold approximately 36.6% of total shares outstanding. Company insiders own approximately 22.60%, while retail and public investors account for the remaining 40.83%.
The largest institutional shareholder of Enterprise Bancorp, Inc. is BLACKROCK, INC., holding approximately 777,419 shares — equal to 6.24% of outstanding shares — as of June 30, 2025.
A total of 95 institutional investors currently hold EBTC stock, with a combined institutional value of approximately $181,333,310 as of the most recent 13F filing period.
Frequently asked questions
EBTC ownershipEnterprise Bancorp, Inc. (EBTC) is primarily owned by institutional investors, who hold approximately 36.6% of shares. The largest shareholder is BLACKROCK, INC. with a 6.24% stake. Company insiders hold 22.60%. Data sourced from SEC Form 13F as of June 30, 2025.