State Street SPDR Portfolio S&P 500 ETF
SPYM
1,432 hedge funds and large institutions have $62.6B invested in State Street SPDR Portfolio S&P 500 ETF in 2025 Q3 according to their latest regulatory filings, with 138 funds opening new positions, 689 increasing their positions, 447 reducing their positions, and 51 closing their positions.
646% more capital inflows, than outflows
Capital inflows: $8.23B | Capital outflows: $1.1B
171% more first-time investments, than exits
New positions opened: 138 | Existing positions closed: 51
54% more repeat investments, than reductions
Existing positions increased: 689 | Existing positions reduced: 447
4% more funds holding in top 10
Funds holding in top 10: 290 → 303 (+13)
4% more funds holding
Funds holding: 1,378 → 1,432 (+54)
0.37% less ownership
Funds ownership: 71.15% → 70.79% (-0.37%)
39% less call options, than puts
Call options by funds: $73M | Put options by funds: $119M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
USS Investment Management
London,
United Kingdom
|
+$1.87B |
| 2 |
Nissay Asset Management
Tokyo,
Japan
|
+$673M |
| 3 |
Jones Financial Companies
Des Peres,
Missouri
|
+$512M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$456M |
| 5 |
Kedalion Capital Management
London,
United Kingdom
|
+$443M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Endurance Services Ltd
Purchase,
New York
|
-$206M |
| 2 |
Mizuho Bank
Tokyo,
Japan
|
-$76.2M |
| 3 |
NEPC LLC
Boston,
Massachusetts
|
-$70.8M |
| 4 |
Natixis Advisors
Boston,
Massachusetts
|
-$46.9M |
| 5 |
Compass Ion Advisors
Conshohocken,
Pennsylvania
|
-$44.6M |
SPYM Hedge Fund Activity: Q3 2025 in Review
1,432 of the 7,653 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR Portfolio S&P 500 ETF (SPYM) for Q3 2025, worth a combined $62.6B — up 21% from $51.6B a quarter earlier.
Buyers outnumbered sellers: 138 funds opened new SPYM positions and 51 closed out — a net gain of 87 holders — while 689 added to existing stakes and 447 trimmed.
The largest buyer was USS Investment Management, adding an estimated $1.87B. The largest seller was Endurance Services Ltd, exiting entirely with an estimated $206M sold.
- 1,432 institutional investors held State Street SPDR Portfolio S&P 500 ETF (SPYM) as of Q3 2025, up from 1,378 in Q2 2025.
- Funds reported $62.6B of State Street SPDR Portfolio S&P 500 ETF stock for Q3 2025, up 21% quarter-over-quarter.
- 138 funds opened new State Street SPDR Portfolio S&P 500 ETF positions in Q3 2025 and 51 closed out, a net change of +87 holders.
- The largest State Street SPDR Portfolio S&P 500 ETF buyer in Q3 2025 was USS Investment Management, an estimated $1.87B added.
- The largest State Street SPDR Portfolio S&P 500 ETF seller in Q3 2025 was Endurance Services Ltd, an estimated $206M sold.
Based on aggregated 13F filings for Q3 2025.