State Street SPDR Portfolio Short Term Treasury ETF
SPTS
423 hedge funds and large institutions have $5B invested in State Street SPDR Portfolio Short Term Treasury ETF in 2025 Q4 according to their latest regulatory filings, with 67 funds opening new positions, 180 increasing their positions, 128 reducing their positions, and 26 closing their positions.
158% more first-time investments, than exits
New positions opened: 67 | Existing positions closed: 26
41% more repeat investments, than reductions
Existing positions increased: 180 | Existing positions reduced: 128
23% more funds holding in top 10
Funds holding in top 10: 30 → 37 (+7)
8% more funds holding
Funds holding: 393 → 423 (+30)
2.05% more ownership
Funds ownership: 82.78% → 84.83% (+2%)
5% more capital invested
Capital invested by funds: $4.79B → $5B (+$216M)
8% less call options, than puts
Call options by funds: $205M | Put options by funds: $222M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MERSOM
Municipal Employees' Retirement System of Michigan
Lansing,
Michigan
|
+$115M |
| 2 |
Focus Partners Wealth
Boston,
Massachusetts
|
+$18.3M |
| 3 |
CIA
Concurrent Investment Advisors
Tampa,
Florida
|
+$16.2M |
| 4 |
State Street
Boston,
Massachusetts
|
+$14.6M |
| 5 |
IPW
Impact Partnership Wealth
Marietta,
Georgia
|
+$13.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$78.2M |
| 2 |
Renaissance Technologies
New York
|
-$28.2M |
| 3 |
TRCT
Tower Research Capital (TRC)
New York
|
-$17M |
| 4 |
Kovitz Investment Group Partners
Chicago,
Illinois
|
-$14.3M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$10.8M |
SPTS Hedge Fund Activity: Q4 2025 in Review
423 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR Portfolio Short Term Treasury ETF (SPTS) for Q4 2025, worth a combined $5B — up 4.5% from $4.79B a quarter earlier.
Buyers outnumbered sellers: 67 funds opened new SPTS positions and 26 closed out — a net gain of 41 holders — while 180 added to existing stakes and 128 trimmed.
The largest buyer was Municipal Employees' Retirement System of Michigan, adding an estimated $115M. The largest seller was Bank of America, cutting an estimated $78.2M.
- 423 institutional investors held State Street SPDR Portfolio Short Term Treasury ETF (SPTS) as of Q4 2025, up from 393 in Q3 2025.
- Funds reported $5B of State Street SPDR Portfolio Short Term Treasury ETF stock for Q4 2025, up 4.5% quarter-over-quarter.
- 67 funds opened new State Street SPDR Portfolio Short Term Treasury ETF positions in Q4 2025 and 26 closed out, a net change of +41 holders.
- The largest State Street SPDR Portfolio Short Term Treasury ETF buyer in Q4 2025 was Municipal Employees' Retirement System of Michigan, an estimated $115M added.
- The largest State Street SPDR Portfolio Short Term Treasury ETF seller in Q4 2025 was Bank of America, an estimated $78.2M sold.
Based on aggregated 13F filings for Q4 2025.