Ticker · CUSIP 56035L104

MAIN

MAIN STR CAP CORP

Financial Services·Asset Management

···Share

Holders (tracked)

Combined shares

3,846,337

Combined value

$232.28M

Last close

$54.82

Quarter

2025Q4

Price is -9.2% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$54.82+5.22 (+10.53%)H $64.28 · L $48.39 · Avg Vol 601K

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

12 events

Ken Griffin (Citadel Advisors) added2026-02-17
+4,489 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+176,252 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−56,568 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+200,867 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+162,580 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+238,864 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−582 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+31,727 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−31,924 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+28,325 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−928,786 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) added2025-11-12
+1,175 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MAIN →

Follow-the-investor returns

If you'd copied each holder of MAIN…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2016Q1	$39.86	+37.5%	$149.9M
Two Sigma Investments	2016Q3	$53.05	+3.3%	$4.0M
Ken Griffin (Citadel Advisors)	2016Q1	$59.30	-7.6%	$2.6M
Ken Griffin (Citadel Advisors)	2016Q1	$59.30	-7.6%	$2.6M
Ken Griffin (Citadel Advisors)	2016Q1	$59.30	-7.6%	$2.6M
Paul Tudor Jones (Tudor Investment)	2017Q2	$60.13	-8.8%	$13.1M
Paul Tudor Jones (Tudor Investment)	2017Q2	$60.13	-8.8%	$13.1M
Ken Fisher (Fisher Asset Mgmt)	2025Q2	$60.13	-8.8%	$249K
Izzy Englander (Millennium Mgmt)	2016Q1	$60.86	-9.9%	$13.5M
Izzy Englander (Millennium Mgmt)	2016Q1	$60.86	-9.9%	$13.5M
D.E. Shaw & Co.	2016Q3	$60.87	-9.9%	$15.3M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Paul Tudor Jones (Tudor Investment)
+238,864
$14.4M

Added to4

Izzy Englander (Millennium Mgmt)
+200,867
$12.1M
D.E. Shaw & Co.
+176,252
$10.6M
Ken Griffin (Citadel Advisors)
+4,489
$271K
T. Rowe Price
+162,580
$10K

Trimmed2

Two Sigma Investments
−56,568
$3.4M
Ken Fisher (Fisher Asset Mgmt)
−582
$35K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	8	1,942,671	$82.8M	—
2022Q2	4	3,099,258	$119.4M	-4
2022Q3	6	3,926,065	$132.1M	+2
2022Q4	8	4,373,774	$161.6M	+2
2023Q1	7	4,281,200	$168.9M	-1
2023Q2	8	4,733,186	$189.5M	+1
2023Q3	9	4,955,223	$201.3M	+1
2023Q4	9	4,764,177	$206.0M	—
2024Q1	7	4,258,700	$201.5M	-2
2024Q2	6	3,993,302	$201.6M	-1
2024Q3	6	3,644,665	$182.7M	—
2024Q4	7	3,647,563	$213.7M	+1
2025Q1	10	3,835,731	$216.9M	+3
2025Q2	9	4,045,639	$239.1M	-1
2025Q3	9	3,112,635	$197.9M	—
2025Q4	11	3,846,337	$232.3M	+2

Who owns MAIN

11 super-investors · 2025Q4

Tracked stake

3.85M

Combined value

$232M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New2Added7Trim2

#	Manager	Shares	Value	% of book	Last action
1	T. Rowe Price	2.73M	$165M	0.0%	Added+162.6K
2	D.E. Shaw & Co.	278.5K	$17M	0.0%	Added+176.3K
3	Izzy Englander Millennium Mgmt	247.1K	$15M	0.0%	Added+200.9K
4	Paul Tudor Jones Tudor Investment	238.9K	$14M	0.0%	New+238.9K
5	Izzy Englander Millennium Mgmt	141.9K	$9M	0.0%	Added+200.9K
6	Two Sigma Investments	72.4K	$4M	0.0%	Trim−56.6K
7	Ken Griffin Citadel Advisors	48.1K	$3M	0.0%	Added+4.5K
8	Ken Griffin Citadel Advisors	38.0K	$2M	0.0%	Added+4.5K
9	Ken Griffin Citadel Advisors	36.9K	$2M	0.0%	Added+4.5K
10	Paul Tudor Jones Tudor Investment	5.6K	$338K	0.0%	New+238.9K
11	Ken Fisher Fisher Asset Mgmt	4.5K	$274K	0.0%	Trim−582

Recent moves

20 transactions

NEWPaul Tudor Jones (Tudor Investment)
+238,864 · 2025Q4
ADDD.E. Shaw & Co.
+176,252 · 2025Q4
ADDT. Rowe Price
+162,580 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+200,867 · 2025Q4
TRIMTwo Sigma Investments
−56,568 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+4,489 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−582 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+31,727 · 2025Q3
TRIMTwo Sigma Investments
−31,924 · 2025Q3
ADDD.E. Shaw & Co.
+28,325 · 2025Q3
TRIMT. Rowe Price
−928,786 · 2025Q3
ADDKen Fisher (Fisher Asset Mgmt)
+1,175 · 2025Q3
ADDT. Rowe Price
+311,981 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−4,692 · 2025Q2
ADDD.E. Shaw & Co.
+65,643 · 2025Q2
TRIMTwo Sigma Investments
−14,100 · 2025Q2
NEWKen Fisher (Fisher Asset Mgmt)
+3,947 · 2025Q2
ADDTwo Sigma Investments
+136,540 · 2025Q1
NEWIzzy Englander (Millennium Mgmt)
+19,161 · 2025Q1
NEWD.E. Shaw & Co.
+8,314 · 2025Q1

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