US Treasury 12 Month Bill ETF
OBIL
65 hedge funds and large institutions have $185M invested in US Treasury 12 Month Bill ETF in 2026 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 25 increasing their positions, 19 reducing their positions, and 5 closing their positions.
80% more first-time investments, than exits
New positions opened: 9 | Existing positions closed: 5
32% more repeat investments, than reductions
Existing positions increased: 25 | Existing positions reduced: 19
3% more funds holding
Funds holding: 63 → 65 (+2)
8.81% less ownership
Funds ownership: 66.62% → 57.81% (-8.8%)
10% less capital invested
Capital invested by funds: $206M → $185M (-$20.7M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MML Investors Services
Springfield,
Massachusetts
|
+$2.84M |
| 2 |
TRCT
Tower Research Capital (TRC)
New York
|
+$1.49M |
| 3 |
NFG
Nations Financial Group
Cedar Rapids,
Iowa
|
+$1.28M |
| 4 |
Envestnet Asset Management
Chicago,
Illinois
|
+$1.23M |
| 5 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
+$1.01M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
4WM
49 Wealth Management
Austin,
Texas
|
-$11.4M |
| 2 |
LPL Financial
San Diego,
California
|
-$5.74M |
| 3 |
AFAS
Acorn Financial Advisory Services
Reston,
Virginia
|
-$4.62M |
| 4 |
Goldman Sachs
New York
|
-$3.74M |
| 5 |
Raymond James Financial
St Petersburg,
Florida
|
-$2.01M |
OBIL Hedge Fund Activity: Q2 2026 in Review
65 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in US Treasury 12 Month Bill ETF (OBIL) for Q2 2026, worth a combined $185M — down 10% from $206M a quarter earlier.
Buyers outnumbered sellers: 9 funds opened new OBIL positions and 5 closed out — a net gain of 4 holders — while 25 added to existing stakes and 19 trimmed.
The largest buyer was MML Investors Services, adding an estimated $2.84M. The largest seller was 49 Wealth Management, cutting an estimated $11.4M.
- 65 institutional investors held US Treasury 12 Month Bill ETF (OBIL) as of Q2 2026, up from 63 in Q1 2026.
- Funds reported $185M of US Treasury 12 Month Bill ETF stock for Q2 2026, down 10% quarter-over-quarter.
- 9 funds opened new US Treasury 12 Month Bill ETF positions in Q2 2026 and 5 closed out, a net change of +4 holders.
- The largest US Treasury 12 Month Bill ETF buyer in Q2 2026 was MML Investors Services, an estimated $2.84M added.
- The largest US Treasury 12 Month Bill ETF seller in Q2 2026 was 49 Wealth Management, an estimated $11.4M sold.
Based on aggregated 13F filings for Q2 2026.