US Treasury Ultra Short TipsRBILETF
13F holders, Q1 2026 (March 31)23holders +1
6new positions
6sold out
1famous investor
$50.07avg. 13F price*
At the end of Q1 2026, 23 institutions reported holding US Treasury Ultra Short Tips (RBIL) in their 13F filings, up 1 from Q4 2025. 6 opened new positions and 6 sold out. The largest holders were Rock Creek Group LLC ($31.3M), F/m Investments LLC ($3.2M) and Emerald Investment Advisers, LLC ($2.8M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- US Treasury Ultra Short Tips
- Filed as
- RBB FD INC (Q1 2026)
- CUSIP
- 74933W213
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $32.6M |
| Exits | 6 | $3.0M |
All 13F filers, Q4 2025 → Q1 2026: 689,631 shares bought and 260,840 shares sold, net +428,791 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Rock Creek Group LLC | 3.17% | New | 624,707 | $31.3M |
| F/m Investments LLC | 0.21% | Reduce -66.9% | 63,646 | $3.2M |
| Emerald Investment Advisers, LLC | 0.25% | — | 55,943 | $2.8M |
| Envestnet Asset Management Inc. | 0.00% | Add +15.8% | 48,803 | $2.4M |
| BlackDiamond Wealth Management, LLC | 0.84% | Add +690.5% | 34,963 | $1.8M |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +3.3% | 17,291 | $866K |
| Crew Capital Management, Ltd | 0.52% | Add +0.2% | 15,649 | $784K |
| Heck Capital Advisors, LLC | 0.05% | Reduce -54.6% | 14,634 | $733K |
| Citadel Advisors | 0.00% | Reduce -50.9% | 14,576 | $730K |
| LPL Financial LLC | 0.00% | New | 12,167 | $609K |
| Susquehanna International Group, LLP | 0.00% | Reduce -58.3% | 10,939 | $548K |
| Lido Advisors, LLC | 0.00% | Reduce -55.9% | 10,775 | $540K |
| Integrated Wealth Concepts LLC | 0.00% | Add +2.7% | 7,500 | $376K |
| Snowden Capital Advisors LLC | 0.01% | New | 6,532 | $327K |
| Formidable Asset Management, LLC | 0.04% | Reduce -30.0% | 5,100 | $253K |
| Central Pacific Bank - Trust Division | 0.03% | Reduce -64.6% | 4,160 | $208K |
| Spinnaker Investment Group, LLC | 0.04% | New | 4,157 | $208K |
| NewEdge Advisors, LLC | 0.00% | Add +92.6% | 2,827 | $142K |
| Realta Investment Advisors | 0.04% | New | 2,500 | $125K |
| Harbor Investment Advisory, LLC | 0.01% | No change | 1,993 | $100K |
| Morgan Stanley | 0.00% | No change | 252 | $13K |
| UBS Group AG | 0.00% | New | 240 | $12K |
| AE Wealth Management LLC | 0.00% | No change | 19 | $952 |
"% of holder's portfolio" is RBIL's weight in each manager's 13F, not the share of US Treasury Ultra Short Tips the manager owns.