Trustmark TRMK Institutional Ownership

NASDAQ TRMK

$46.52 -0.06 (-0.13%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

266 Institutions

Increased 136 51.1%

Unchanged 44 16.5%

Reduced 86 32.3%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

377.00%

▲+10.79 pp QoQ

Shares Held by Institutions

46.36Mn

of 12.30Mn outstanding

▲+21.53% QoQ

Shares Outstanding

12.30Mn

-34.06Mn held outside 13F filers

Institutional Investors

266

filed 13F for Mar 2026

▲+13 vs prior quarter

Net Shares Added (QoQ)

+8.21Mn

accumulated since last quarter

Value of Holdings

$2.21Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Trustmark Corp (NASDAQ:TRMK) is held by 266 institutional investors per 13F filings through March 2026.

Their combined ownership stood at 377.0% of outstanding shares in March 2026, up from 366.2% in December 2025.
They increased total shares held in TRMK by 21.53% quarter over quarter, and investors in Trustmark increased 2.7% from a year ago.
During the quarter, 136 of these 266 funds increased positions in TRMK, 86 reduced exposure, and 44 held steady.
Institutional investors collectively held 46.36Mn shares in Trustmark as of March 2026, up by 8.21Mn shares quarter on quarter, and down 991.5K shares year over year.
BlackRock, Inc. is the top holder of Trustmark as of March 31, 2026, with 8.3Mn shares representing 67.51% of outstanding stock.
Top purchasers of TRMK stock for the quarter ending March 2026 included VANGUARD PORTFOLIO MANAGEMENT LLC (3.52Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.55Mn), North Reef Capital Management LP (1.95Mn), AMERICAN CENTURY COMPANIES INC (391.27K), VANGUARD FIDUCIARY TRUST CO (376.09K).
Top sellers of TRMK stock for the quarter ending March 2026 included WELLINGTON MANAGEMENT GROUP LLP (556.35K), MILLENNIUM MANAGEMENT LLC (232.06K), Goldman Sachs Group Inc (200.47K), BlackRock, Inc. (160.98K), Verition Fund Management LLC (139.25K).
Trustmark's 10 largest shareholders as of March 2026 include BlackRock, Inc. (8.3Mn), DIMENSIONAL FUND ADVISORS LP (3.9Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.52Mn), WELLINGTON MANAGEMENT GROUP LLP (3.29Mn), State Street Corp (2.97Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.55Mn), EARNEST PARTNERS LLC (2.53Mn), North Reef Capital Management LP (1.95Mn), GEODE CAPITAL MANAGEMENT, LLC (1.51Mn), AMERICAN CENTURY COMPANIES INC (1.27Mn) per Business Quant data.

Form 13F Holdings

266 Institutional Holders

Report period 31 Mar, 2026

Total shares held 46.36Mn

Of outstanding 377.00%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	8,301,225	67.51%	▼160,977	-1.90%	$349.81Mn
2	DIMENSIONAL FUND ADVISORS LP	0000354204	3,897,556	31.70%	▲20,628	+0.53%	$164.24Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,524,803	28.67%	▲3,524,803	0.00%	$148.54Mn
4	WELLINGTON MANAGEMENT GROUP LLP	0000902219	3,294,097	26.79%	▼556,354	-14.45%	$138.81Mn
5	State Street Corp	0000093751	2,974,965	24.19%	▲82,695	+2.86%	$125.37Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,545,422	20.70%	▲2,545,422	0.00%	$107.26Mn
7	EARNEST PARTNERS LLC	0001102578	2,532,602	20.60%	▼76,164	-2.92%	$106.72Mn
8	North Reef Capital Management LP	0001867831	1,952,930	15.88%	▲1,952,930	0.00%	$82.30Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,514,601	12.32%	▲22,764	+1.53%	$63.84Mn
10	AMERICAN CENTURY COMPANIES INC	0000748054	1,266,299	10.30%	▲391,271	+44.72%	$53.36Mn
11	UBS Group AG	0001610520	861,248	7.00%	▲220,829	+34.48%	$36.29Mn
12	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	779,069	6.34%	▼90,061	-10.36%	$32.83Mn
13	Goldman Sachs Group Inc	0000886982	730,375	5.94%	▼200,467	-21.54%	$30.78Mn
14	Northern Trust Corp	0000073124	646,862	5.26%	▲14,850	+2.35%	$27.26Mn
15	Bank of New York Mellon Corp	0001390777	485,987	3.95%	▼19,246	-3.81%	$20.48Mn
16	Federated Hermes, Inc.	0001056288	446,442	3.63%	▲10,538	+2.42%	$18.81Mn
17	Morgan Stanley	0000895421	444,496	3.61%	▼32,976	-6.91%	$18.73Mn
18	Newport Trust Company, LLC	0001722329	408,564	3.32%	▼14,366	-3.40%	$17.22Mn
19	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	398,315	3.24%	▲8,982	+2.31%	$16.78Mn
20	TWO SIGMA INVESTMENTS, LP	0001179392	395,702	3.22%	▲116,309	+41.63%	$16.67Mn

Showing 1 to 20 of 266 holders