Nuveen S&P 500 Buy-Write Income Fund
BXMX
BXMX was delisted on the 27th of March, 2026.
158 hedge funds and large institutions have $438M invested in Nuveen S&P 500 Buy-Write Income Fund in 2025 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 58 increasing their positions, 46 reducing their positions, and 16 closing their positions.
26% more repeat investments, than reductions
Existing positions increased: 58 | Existing positions reduced: 46
4% more capital invested
Capital invested by funds: $421M → $438M (+$16.5M)
0.54% less ownership
Funds ownership: 30.83% → 30.29% (-0.54%)
4% less funds holding
Funds holding: 164 → 158 (-6)
25% less first-time investments, than exits
New positions opened: 12 | Existing positions closed: 16
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Allspring Global Investments
Charlotte,
North Carolina
|
+$3.52M |
| 2 |
Morgan Stanley
New York
|
+$3.1M |
| 3 |
Two Sigma Investments
New York
|
+$2.23M |
| 4 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
+$2.06M |
| 5 |
AAM
Advisors Asset Management
Monument,
Colorado
|
+$1.88M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CA
Cornerstone Advisors
Asheville,
North Carolina
|
-$4.2M |
| 2 |
WAM
Wolverine Asset Management
Chicago,
Illinois
|
-$3.01M |
| 3 |
SFS
Shaker Financial Services
Arlington,
Virginia
|
-$1.73M |
| 4 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$1.45M |
| 5 |
Ameriprise
Minneapolis,
Minnesota
|
-$1.12M |
BXMX Hedge Fund Activity: Q2 2025 in Review
158 of the 7,616 institutional investors tracked by Wall St. Rank reported a position in Nuveen S&P 500 Buy-Write Income Fund (BXMX) for Q2 2025, worth a combined $438M — up 3.9% from $421M a quarter earlier.
Sellers outnumbered buyers: 16 funds closed out of BXMX and 12 opened new positions — a net loss of 4 holders — while 46 trimmed existing stakes and 58 added.
The largest buyer was Allspring Global Investments, adding an estimated $3.52M. The largest seller was Cornerstone Advisors, cutting an estimated $4.2M.
- 158 institutional investors held Nuveen S&P 500 Buy-Write Income Fund (BXMX) as of Q2 2025, down from 164 in Q1 2025.
- Funds reported $438M of Nuveen S&P 500 Buy-Write Income Fund stock for Q2 2025, up 3.9% quarter-over-quarter.
- 12 funds opened new Nuveen S&P 500 Buy-Write Income Fund positions in Q2 2025 and 16 closed out, a net change of -4 holders.
- The largest Nuveen S&P 500 Buy-Write Income Fund buyer in Q2 2025 was Allspring Global Investments, an estimated $3.52M added.
- The largest Nuveen S&P 500 Buy-Write Income Fund seller in Q2 2025 was Cornerstone Advisors, an estimated $4.2M sold.
Based on aggregated 13F filings for Q2 2025.