State Street SPDR Portfolio S&P 500 ETF
SPYM
1,423 hedge funds and large institutions have $62.1B invested in State Street SPDR Portfolio S&P 500 ETF in 2025 Q3 according to their latest regulatory filings, with 137 funds opening new positions, 688 increasing their positions, 441 reducing their positions, and 52 closing their positions.
163% more first-time investments, than exits
New positions opened: 137 | Existing positions closed: 52
56% more repeat investments, than reductions
Existing positions increased: 688 | Existing positions reduced: 441
21% more capital invested
Capital invested by funds: $51.3B → $62.1B (+$10.8B)
5% more funds holding in top 10
Funds holding in top 10: 288 → 301 (+13)
4% more funds holding
Funds holding: 1,370 → 1,423 (+53)
1.78% less ownership
Funds ownership: 72.04% → 70.26% (-1.8%)
39% less call options, than puts
Call options by funds: $73M | Put options by funds: $119M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UIM
USS Investment Management
London,
United Kingdom
|
+$1.87B |
| 2 |
NAM
Nissay Asset Management
Tokyo,
Japan
|
+$673M |
| 3 |
Jones Financial Companies
Des Peres,
Missouri
|
+$512M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$456M |
| 5 |
KCM
Kedalion Capital Management
London,
United Kingdom
|
+$443M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ESL
Endurance Services Ltd
Purchase,
New York
|
-$206M |
| 2 |
OFS
OneAscent Financial Services
Birmingham,
Alabama
|
-$80.2M |
| 3 |
MB
Mizuho Bank
Tokyo,
Japan
|
-$76.2M |
| 4 |
NL
NEPC LLC
Boston,
Massachusetts
|
-$70.8M |
| 5 |
Natixis Advisors
Boston,
Massachusetts
|
-$46.9M |
SPYM Hedge Fund Activity: Q3 2025 in Review
1,423 of the 7,621 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 $62.1B — up 21% from $51.3B a quarter earlier.
Buyers outnumbered sellers: 137 funds opened new SPYM positions and 52 closed out — a net gain of 85 holders — while 688 added to existing stakes and 441 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.
- 1,423 institutional investors held State Street SPDR Portfolio S&P 500 ETF (SPYM) as of Q3 2025, up from 1,370 in Q2 2025.
- Funds reported $62.1B of State Street SPDR Portfolio S&P 500 ETF stock for Q3 2025, up 21% quarter-over-quarter.
- 137 funds opened new State Street SPDR Portfolio S&P 500 ETF positions in Q3 2025 and 52 closed out, a net change of +85 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.