Main Street Capital CORP - COM (MAIN)

CUSIP: 56035L104

Q3 2026 13F Holders as of 30 Sep 2026

Share change
+5,810
SEC-reported price per share
$55.05
Number of holders
66
Value change
+$396,182
Number of buys
27
Number of sells
27

Security key

56035L104

Report period

Q3 2026

Institutions

66

Top holders

10

Ownership snapshot

Top reported holders of MAIN - Main Street Capital CORP - COM (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
PRICE T ROWE ASSOCIATES I...
Comparable rows
0/15
Latest evidence
15 Sep 2026
13F 3/4/5 Highest disclosed value: $173,410,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

PRICE T ROWE ASSOCIATES INC /MD/ has the largest disclosed position value at $173.41M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Disclosed position value Top 5
PRICE T ROWE ASSOCIATES INC /MD/ $173.41M
Vincent D. Foster $105.78M
VAN ECK ASSOCIATES CORP $97.81M
UBS Group AG $72M
Legal & General Group Plc $43.32M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
13F
—
denominator unverified
$173,410,000
3,342,499 shares
— 30 Jun 2026
Vincent D. Foster
3/4/5
Director
—
denominator unverified
$105,782,435
1,890,998 shares
— 15 Sep 2026
VAN ECK ASSOCIATES CORP
13F
Company
13F
—
denominator unverified
$97,808,015
1,885,274 shares
— 30 Jun 2026
UBS Group AG
13F
Company
13F
—
denominator unverified
$71,995,485
1,387,731 shares
— 30 Jun 2026
Legal & General Group Plc
13F
Company
13F
—
denominator unverified
$43,322,757
835,057 shares
— 30 Jun 2026
MORGAN STANLEY
13F
Company
13F
—
denominator unverified
$40,792,423
786,284 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
66
Shares
1,276,876
Rows available
66
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
399
Q3 2026 holders
66
Holder diff
-333
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %
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