Third Coast Bancshares, Inc.
Third Coast Bancshares, Inc. (TCBX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TCBX · as of Sep 30, 2025
Ownership Breakdown
146
Institutional Holders
▲ 12 vs Q2
$313.22M
Total Inst. Value
▲ $54.33M vs Q2
14.10M
Shares Outstanding
freeFloat 78.37%
8.10M
13F Shares Held
▲ 172,875 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
TCBX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. savings institutions, not federally chartered | 921.6K | 6.69% | 6.69% | $34.99B | Nov 12, 2025 | ▲ 22.7K |
VANGUARD GROUP INC savings institutions, not federally chartered | 653.8K | 4.75% | 4.75% | $24.82B | Nov 7, 2025 | ▼ 16.3K |
KENNEDY CAPITAL MANAGEMENT LLC savings institutions, not federally chartered | 458.0K | 3.32% | 3.32% | $17.39B | Nov 13, 2025 | ▲ 54.7K |
ADAGE CAPITAL PARTNERS GP, L.L.C. savings institutions, not federally chartered | 454.6K | 3.30% | 3.30% | $17.26B | Nov 14, 2025 | ▼ 57.3K |
DIMENSIONAL FUND ADVISORS LP savings institutions, not federally chartered | 418.0K | 3.03% | 3.03% | $15.87B | Nov 12, 2025 | ▲ 24.4K |
STATE STREET CORP savings institutions, not federally chartered | 326.7K | 2.37% | 2.37% | $12.40B | Nov 14, 2025 | ▲ 97.3K |
GEODE CAPITAL MANAGEMENT, LLC savings institutions, not federally chartered | 313.2K | 2.27% | 2.27% | $11.90B | Nov 12, 2025 | ▼ 756 |
ALLIANCEBERNSTEIN L.P. savings institutions, not federally chartered | 274.1K | 1.99% | 1.99% | $10.41B | Nov 14, 2025 | ▼ 47.2K |
AMERICAN CENTURY COMPANIES INC savings institutions, not federally chartered | 272.2K | 1.98% | 1.98% | $10.34B | Nov 12, 2025 | ▲ 41.3K |
WASATCH ADVISORS LP savings institutions, not federally chartered | 196.3K | 1.43% | 1.43% | $7.45B | Nov 14, 2025 | ▼ 82.2K |
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
20
Increased
+458.4K shares4
New Positions
first time holders21
Decreased
−534.9K shares0
Sold Out
fully exitedNet shares change (top 50)
76.4K
+458.4K / −534.9K
Net new holders
+3
4 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
TCBX insider trading · insider activity
Source: SEC Form 4
1
Buy transactions
1
Sell transactions
1.00
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 |
|---|---|---|---|---|---|---|---|
Phelps David R director | May 21, 2026 | Award | 1,318 | — | — | 9.8K | Form 4 ↗ |
Stunja Joseph director | May 21, 2026 | Award | 1,318 | — | — | 2.0K | Form 4 ↗ |
Eisenhart Lynn director | May 21, 2026 | Award | 1,318 | — | — | 2.9K | Form 4 ↗ |
Bailey Carolyn director | May 21, 2026 | Award | 1,318 | — | — | 11.0K | Form 4 ↗ |
Stich Mary director | May 21, 2026 | Award | 1,318 | — | — | 4.2K | Form 4 ↗ |
Swinbank Reagan director | May 21, 2026 | Award | 1,318 | — | — | 43.9K | Form 4 ↗ |
Greenleaf Clint Tuxberry director | May 21, 2026 | Award | 1,318 | — | — | 21.1K | Form 4 ↗ |
Glander Troy Andrew director | May 21, 2026 | Award | 1,318 | — | — | 30.2K | Form 4 ↗ |
Bonnen Dennis director | May 21, 2026 | Award | 1,318 | — | — | 153.4K | Form 4 ↗ |
Bonnen Greg director | May 21, 2026 | Award | 1,318 | — | — | 6.2K | 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
Third Coast Bancshares, Inc. (TCBX) is primarily owned by institutional investors, who hold approximately 57.4% of total shares outstanding. Company insiders own approximately 21.63%, while retail and public investors account for the remaining 20.95%.
The largest institutional shareholder of Third Coast Bancshares, Inc. is BLACKROCK, INC., holding approximately 921,639 shares — equal to 6.69% of outstanding shares — as of September 30, 2025.
A total of 146 institutional investors currently hold TCBX stock, with a combined institutional value of approximately $313,224,591 as of the most recent 13F filing period.
Frequently asked questions
TCBX ownershipThird Coast Bancshares, Inc. (TCBX) is primarily owned by institutional investors, who hold approximately 57.4% of shares. The largest shareholder is BLACKROCK, INC. with a 6.69% stake. Company insiders hold 21.63%. Data sourced from SEC Form 13F as of September 30, 2025.