Main Street Capital CORP (MAIN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

89,627,718Shares Outstanding

19,038,634Shares held by institutions

$972,303,038Value of institutional holdings

21.24%Institutional ownership %

11.35%Shares Changed QoQ

417No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Main Street Capital CORP (NYSE:MAIN) appears in 413 institutional 13F filings for the quarter ending December 2025.

These investors collectively held 20.7% of Main Street Capital's outstanding shares in December 2025, down from 22.9% in September 2025.
They increased total shares held in Main Street Capital by 9.04% from the prior quarter, while the number of investors in MAIN increased 4.29% year over year.
Of these 413 funds, 200 grew their exposure to Main Street Capital, 122 cut back, and 91 maintained positions.
In total, institutional investors held 18.57Mn shares in Main Street Capital as of December 2025, up by 1.54Mn shares quarter on quarter, and down 2.03Mn shares year over year.
Muzinich & Co., Inc. is the top holder of Main Street Capital as of December 31, 2025, with 484.82K shares representing 0.54% of outstanding stock.
The biggest buyers of Main Street Capital for the quarter ending December 2025 included SANDERS MORRIS HARRIS LLC (237.26K), Muzinich & Co., Inc. (44.81K), Capital Investment Advisors, LLC (42.28K), Clear Trail Advisors, LLC (21.62K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (18.74K).
The largest sellers of Main Street Capital for the quarter ending December 2025 were SMH CAPITAL ADVISORS INC (17.88K), Union Bancaire Privee, UBP SA (9.74K), Segment Wealth Management, LLC (7.21K), CONFLUENCE INVESTMENT MANAGEMENT LLC (6.12K), Janney Montgomery Scott LLC (2.01K).
Main Street Capital's 10 largest shareholders as of December 2025 include Muzinich & Co., Inc. (484.82K), SANDERS MORRIS HARRIS LLC (237.26K), Trinity Legacy Partners, LLC (203.16K), U.S. Capital Wealth Advisors, LLC (139.13K), Joel Isaacson & Co., LLC (129.01K), Segment Wealth Management, LLC (113.03K), J.W. COLE ADVISORS, INC. (106.86K), Capital Investment Advisors, LLC (92.22K), CONFLUENCE INVESTMENT MANAGEMENT LLC (90.96K), CoreCap Advisors, LLC (86.94K) per Business Quant data.

429 Institutional Holders

19,038,634 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Corient Private Wealth LLC	31 Dec, 2025	1,780,822	1,758,453	7,861.12%	$107,541,109.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	1,132,346	-1,315,855	-53.75%	$68,382.00
Morgan Stanley	31 Dec, 2025	867,861	-118,586	-12.02%	$52,410,236.00
Legal & General Group Plc	31 Dec, 2025	719,967	95,177	15.23%	$43,478,806.00
Goldman Sachs Group Inc	31 Dec, 2025	713,598	665,203	1,374.53%	$43,094,184.00
UBS Group AG	31 Dec, 2025	611,876	-255,008	-29.42%	$36,951,192.00
ADELL HARRIMAN & CARPENTER INC	31 Dec, 2025	478,435	23,942	5.27%	$28,892,701.00
Muzinich & Co., Inc.	31 Dec, 2025	440,012	72,872	19.85%	$26,572,340.00
Invesco Ltd.	31 Dec, 2025	419,755	-24,881	-5.60%	$25,349,005.00
Sumitomo Mitsui Trust Group, Inc.	31 Dec, 2025	355,547	21,005	6.28%	$21,471,483.00
LPL Financial LLC	31 Dec, 2025	348,375	-33,944	-8.88%	$21,038,380.00
Sound Income Strategies, LLC	31 Dec, 2025	336,031	-801	-0.24%	$21,492,557.00
JANE STREET GROUP, LLC	31 Dec, 2025	314,648	314,648	0.00%	$19,001,593.00
Franklin Resources Inc	31 Dec, 2025	301,708	-20,925	-6.49%	$18,220,146.00
CHILDRESS CAPITAL ADVISORS, LLC	31 Dec, 2025	293,733	182,973	165.20%	$17,738,536.00
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	31 Dec, 2025	280,200	0	0.00%	$16,921.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	278,534	176,252	172.32%	$16,820,668.00
Raymond James Financial Inc	31 Dec, 2025	252,800	46,852	22.75%	$15,262,606.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	247,063	200,867	434.81%	$14,920,135.00
TUDOR INVESTMENT CORP ET AL	31 Dec, 2025	238,864	238,864	0.00%	$14,424,997.00

1 - 20 of 429

Research Tools