Nuveen S&P 500 Buy-Write Income Fund
BXMX
BXMX was delisted on the 27th of March, 2026.
176 hedge funds and large institutions have $481M invested in Nuveen S&P 500 Buy-Write Income Fund in 2025 Q4 according to their latest regulatory filings, with 34 funds opening new positions, 54 increasing their positions, 48 reducing their positions, and 13 closing their positions.
162% more first-time investments, than exits
New positions opened: 34 | Existing positions closed: 13
13% more funds holding
Funds holding: 156 → 176 (+20)
13% more repeat investments, than reductions
Existing positions increased: 54 | Existing positions reduced: 48
3% more capital invested
Capital invested by funds: $467M → $481M (+$14.5M)
0.39% more ownership
Funds ownership: 31.03% → 31.42% (+0.39%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$3.4M |
| 2 |
AAM
Advisors Asset Management
Monument,
Colorado
|
+$1.71M |
| 3 |
P
&Partners
Nashville,
Tennessee
|
+$1.58M |
| 4 |
Focus Partners Wealth
Boston,
Massachusetts
|
+$1.55M |
| 5 |
HWAM
Hennion & Walsh Asset Management
Parsippany,
New Jersey
|
+$997K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CA
Cornerstone Advisors
Asheville,
North Carolina
|
-$3.2M |
| 2 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
-$2.31M |
| 3 |
Kovitz Investment Group Partners
Chicago,
Illinois
|
-$1.8M |
| 4 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$1.65M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$1.24M |
BXMX Hedge Fund Activity: Q4 2025 in Review
176 of the 8,252 institutional investors tracked by Wall St. Rank reported a position in Nuveen S&P 500 Buy-Write Income Fund (BXMX) for Q4 2025, worth a combined $481M — up 3.1% from $467M a quarter earlier.
Buyers outnumbered sellers: 34 funds opened new BXMX positions and 13 closed out — a net gain of 21 holders — while 54 added to existing stakes and 48 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $3.4M. The largest seller was Cornerstone Advisors, cutting an estimated $3.2M.
- 176 institutional investors held Nuveen S&P 500 Buy-Write Income Fund (BXMX) as of Q4 2025, up from 156 in Q3 2025.
- Funds reported $481M of Nuveen S&P 500 Buy-Write Income Fund stock for Q4 2025, up 3.1% quarter-over-quarter.
- 34 funds opened new Nuveen S&P 500 Buy-Write Income Fund positions in Q4 2025 and 13 closed out, a net change of +21 holders.
- The largest Nuveen S&P 500 Buy-Write Income Fund buyer in Q4 2025 was Morgan Stanley, an estimated $3.4M added.
- The largest Nuveen S&P 500 Buy-Write Income Fund seller in Q4 2025 was Cornerstone Advisors, an estimated $3.2M sold.
Based on aggregated 13F filings for Q4 2025.