Main Street Capital
MAIN
430 hedge funds and large institutions have $1.26B invested in Main Street Capital in 2025 Q4 according to their latest regulatory filings, with 67 funds opening new positions, 145 increasing their positions, 121 reducing their positions, and 37 closing their positions.
81% more first-time investments, than exits
New positions opened: 67 | Existing positions closed: 37
40% more funds holding in top 10
Funds holding in top 10: 5 → 7 (+2)
20% more repeat investments, than reductions
Existing positions increased: 145 | Existing positions reduced: 121
6% more funds holding
Funds holding: 407 → 430 (+23)
0.87% more ownership
Funds ownership: 22.42% → 23.3% (+0.87%)
1% less capital invested
Capital invested by funds: $1.27B → $1.26B (-$11.7M)
61% less call options, than puts
Call options by funds: $21.2M | Put options by funds: $54.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Corient Private Wealth
Miami,
Florida
|
+$51.2M |
| 2 |
Jane Street
New York
|
+$18.6M |
| 3 |
Goldman Sachs
New York
|
+$18.2M |
| 4 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$14.1M |
| 5 |
Millennium Management
New York
|
+$11.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VanEck Associates
New York
|
-$77.6M |
| 2 |
Capital World Investors
Los Angeles,
California
|
-$16.1M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$15M |
| 4 |
SMH
Sanders Morris Harris
Houston,
Texas
|
-$13M |
| 5 |
JP Morgan Chase
New York
|
-$9.51M |
MAIN Hedge Fund Activity: Q4 2025 in Review
430 of the 4,221 institutional investors tracked by Wall St. Rank reported a position in Main Street Capital (MAIN) for Q4 2025, worth a combined $1.26B — down 0.91% from $1.27B a quarter earlier.
Buyers outnumbered sellers: 67 funds opened new MAIN positions and 37 closed out — a net gain of 30 holders — while 145 added to existing stakes and 121 trimmed.
The largest buyer was Corient Private Wealth, adding an estimated $51.2M. The largest seller was VanEck Associates, cutting an estimated $77.6M.
- 430 institutional investors held Main Street Capital (MAIN) as of Q4 2025, up from 407 in Q3 2025.
- Funds reported $1.26B of Main Street Capital stock for Q4 2025, down 0.91% quarter-over-quarter.
- 67 funds opened new Main Street Capital positions in Q4 2025 and 37 closed out, a net change of +30 holders.
- The largest Main Street Capital buyer in Q4 2025 was Corient Private Wealth, an estimated $51.2M added.
- The largest Main Street Capital seller in Q4 2025 was VanEck Associates, an estimated $77.6M sold.
Based on aggregated 13F filings for Q4 2025.