Ticker · CUSIP 56035L104
Holders (tracked)
11
Combined shares
3,846,337
Combined value
$67.31M
Last close
—
Quarter
2025Q4
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 · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+176,252 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−56,568 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+200,867 shares · 2025Q413F
- T. Rowe Price added2026-02-17+162,580 shares · 2025Q413F
- +238,864 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−582 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+31,727 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−31,924 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+28,325 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−928,786 shares · 2025Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+1,175 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions 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 | Combined value |
|---|---|---|
| 2022Q1 | 8 | $82.8M |
| 2022Q2 | 4 | $119.4M |
| 2022Q3 | 6 | $132K |
| 2022Q4 | 8 | $31.2M |
| 2023Q1 | 7 | $32.9M |
| 2023Q2 | 8 | $53.3M |
| 2023Q3 | 9 | $64.8M |
| 2023Q4 | 9 | $57.6M |
| 2024Q1 | 7 | $38.9M |
| 2024Q2 | 6 | $29.4M |
| 2024Q3 | 6 | $11.8M |
| 2024Q4 | 7 | $13.6M |
| 2025Q1 | 10 | $36.8M |
| 2025Q2 | 9 | $32.4M |
| 2025Q3 | 9 | $34.6M |
| 2025Q4 | 11 | $67.3M |
Who owns MAIN
11 super-investors · 2025Q4
Tracked stake
3.85M
shares
Combined value
$67M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added7Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 278.5K | $17M |
| 2 | Izzy Englander Millennium Mgmt | 247.1K | $15M |
| 3 | Paul Tudor Jones Tudor Investment | 238.9K | $14M |
| 4 | Izzy Englander Millennium Mgmt | 141.9K | $9M |
| 5 | Two Sigma Investments | 72.4K | $4M |
| 6 | Ken Griffin Citadel Advisors | 48.1K | $3M |
| 7 | Ken Griffin Citadel Advisors | 38.0K | $2M |
| 8 | Ken Griffin Citadel Advisors | 36.9K | $2M |
| 9 | Paul Tudor Jones Tudor Investment | 5.6K | $338K |
| 10 | Ken Fisher Fisher Asset Mgmt | 4.5K | $274K |
| 11 | T. Rowe Price | 2.73M | $165K |
Recent moves
20 transactions
- +238,864 · 2025Q4
- +176,252 · 2025Q4
- +162,580 · 2025Q4
- +200,867 · 2025Q4
- −56,568 · 2025Q4
- +4,489 · 2025Q4
- −582 · 2025Q4
- +31,727 · 2025Q3
- −31,924 · 2025Q3
- +28,325 · 2025Q3
- TRIMT. Rowe Price−928,786 · 2025Q3
- +1,175 · 2025Q3
- +311,981 · 2025Q2
- −4,692 · 2025Q2
- +65,643 · 2025Q2
- −14,100 · 2025Q2
- +3,947 · 2025Q2
- +136,540 · 2025Q1
- +19,161 · 2025Q1
- +8,314 · 2025Q1
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