PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
131 hedge funds and large institutions have $795M invested in PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund in 2025 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 49 increasing their positions, 43 reducing their positions, and 20 closing their positions.
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
14% more repeat investments, than reductions
Existing positions increased: 49 | Existing positions reduced: 43
11% more capital invested
Capital invested by funds: $716M → $795M (+$79.1M)
0% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 20
0.02% less ownership
Funds ownership: 46.7% → 46.68% (-0.02%)
0% less call options, than puts
Call options by funds: $11.6M | Put options by funds: $11.7M
2% less funds holding
Funds holding: 133 → 131 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AAS
Annex Advisory Services
Brookfield,
Wisconsin
|
+$48.4M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$7.77M |
| 3 |
CWM
Centurion Wealth Management
Mclean,
Virginia
|
+$6.6M |
| 4 |
Millennium Management
New York
|
+$6.55M |
| 5 |
PA
Paragon Advisors
College Station,
Texas
|
+$5.88M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mirae Asset Global Investments
Seoul,
South Korea
|
-$11.9M |
| 2 |
IWM
IHT Wealth Management
Chicago,
Illinois
|
-$6.15M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$4.87M |
| 4 |
GS
GTS Securities
Miami,
Florida
|
-$4.11M |
| 5 |
CLGM
Capitolis Liquid Global Markets
New York
|
-$2.56M |
ZROZ Hedge Fund Activity: Q3 2025 in Review
131 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund (ZROZ) for Q3 2025, worth a combined $795M — up 11% from $716M a quarter earlier.
Fund positioning in ZROZ was balanced in Q3 2025: 20 funds opened new positions, 20 closed out, 49 added to existing stakes and 43 trimmed.
The largest buyer was Annex Advisory Services, opening a new position worth an estimated $48.4M. The largest seller was Mirae Asset Global Investments, cutting an estimated $11.9M.
- 131 institutional investors held PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund (ZROZ) as of Q3 2025, down from 133 in Q2 2025.
- Funds reported $795M of PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund stock for Q3 2025, up 11% quarter-over-quarter.
- 20 funds opened new PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund positions in Q3 2025 and 20 closed out, a net change of 0 holders.
- The largest PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund buyer in Q3 2025 was Annex Advisory Services, an estimated $48.4M added.
- The largest PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund seller in Q3 2025 was Mirae Asset Global Investments, an estimated $11.9M sold.
Based on aggregated 13F filings for Q3 2025.