Third Coast Bancshares, Inc.

TCBX

Exchange: NYSE
Industry: Savings Institutions, Not Federally Chartered
SEC CIK: 0001781730

SEC filings (opens in a new tab)

No open-market purchases or sales by Third Coast Bancshares, Inc. insiders were filed in the last 90 days; 143 institutions reported holding it in 13F filings for Q2 2026, worth $405.9M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Third Coast Bancshares, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of TCBX: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	151	2	152	+3
Shares	8.54M	679.1K	9.34M	+1.48M (+18.8%)
Value	$324.6M	$25.8M	$353.5M	+$54.7M (+18.3%)

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Third Coast Bancshares, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to TCBX in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	595,291	$22.5M	0.00%
Strategic Value Bank Partners LLC	158,469	$5.99M	3.22%
Vanguard Portfolio Management LLC	81,264	$3.07M	0.00%
Vanguard Fiduciary Trust Co	79,516	$3.01M	0.00%
Valeo Financial Advisors, LLC	64,829	$2.45M	0.06%
Nottingham Advisors, Inc.	37,423	$1.42M	0.18%
Daytona Street Capital LLC	33,400	$1.29M	1.04%
Algert Global LLC	25,098	$949.5K	0.01%
Brown Advisory Inc	22,728	$859.8K	0.00%
Susquehanna International Group, LLP	13,315	$503.7K	0.00%
Beacon Pointe Advisors, LLC	11,347	$429.3K	0.00%
Mangrove Partners	10,195	$385.7K	0.03%
Squarepoint Ops LLC	10,107	$382.3K	0.00%
R Squared Ltd	10,052	$380.3K	0.21%
PFG Investments, LLC	9,145	$346.0K	0.02%
Cornerstone Investment Partners, LLC	6,393	$241.8K	0.01%
D. E. Shaw & Co., Inc.	5,601	$211.9K	0.00%
Waterway Wealth Management, LLC	5,500	$208.1K	0.05%
Custos Family Office, LLC	5,295	$200.3K	0.14%
Vanguard Global Advisers, LLC	4,673	$176.8K	0.00%
Harbour Investments, Inc.	2,519	$95.3K	0.00%
Advisory Services Network, LLC	637	$24.1K	0.00%
JCSD Capital, LLC	154	$5.83K	0.01%
Parallel Advisors, LLC	51	$1.93K	0.00%
Rossby Financial, LCC	3	$116	0.00%
Twin Peaks Wealth Advisors, LLC	1	$38	0.00%

Sold out (23)

Institutions that held Third Coast Bancshares, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of TCBX in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
AlphaCore Capital LLC	41,565	$1.58M
Marshall Wace, LLP	38,649	$1.47M
Two Sigma Advisers, LP	33,700	$1.28M
CWM Advisors, LLC	31,020	$1.18M
Jane Street Group, LLC	26,305	$999.9K
EAM Investors, LLC	20,158	$766.2K
Quest Partners LLC	12,709	$483.1K
Seizert Capital Partners, LLC	11,644	$442.6K
Wealth Enhancement Advisory Services, LLC	10,152	$390.3K
Toroso Investments, LLC	10,109	$384.2K
Point72 Asset Management, L.P.	8,642	$328.5K
Arrowstreet Capital, Limited Partnership	7,352	$279.4K
HRT Financial LP	7,027	$267.0K
Numerai GP LLC	5,675	$215.7K
Mariner, LLC	5,280	$200.7K
Intech Investment Management LLC	5,280	$200.7K
Amalgamated Bank	404	$15.0K
Eurizon Capital SGR S.p.A.	48	$1.82K
Torren Management, LLC	16	$608
Kingdom Financial Group LLC.	15	$570
US Bancorp	6	$228
SBI Securities Co., Ltd.	3	$114
MAI Capital Management	1	$39

Not filed for Q1 2026 yet (2)

Institutions that held Third Coast Bancshares, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding TCBX in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	666,690	$25.3M
Brandywine Global Investment Management, LLC	12,390	$470.9K