Proshares Ultrashort 7-10 YRPSTETF
13F holders, Q1 2026 (March 31)9holders
3new positions
3sold out
1famous investor
$22.49avg. 13F price*
At the end of Q1 2026, 9 institutions reported holding Proshares Ultrashort 7-10 YR (PST) in their 13F filings, unchanged from Q4 2025. 3 opened new positions and 3 sold out. The largest holders were Citadel Advisors ($829K), Jane Street Group, LLC ($683K) and Royal Bank of Canada ($547K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Proshares Ultrashort 7-10 YR
- CUSIP
- 74347R313
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $852K |
| Exits | 3 | $8K |
All 13F filers, Q4 2025 → Q1 2026: 66,591 shares bought and 17,854 shares sold, net +48,737 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 9 holders
| Citadel Advisors | 0.00% | Add +40.5% | 36,863 | $829K |
| Jane Street Group, LLC | 0.00% | New | 30,368 | $683K |
| Royal Bank of Canada | 0.00% | Add +290.3% | 24,320 | $547K |
| Cumberland Advisors Inc. | 0.21% | No change | 24,240 | $545K |
| Susquehanna International Group, LLP | 0.00% | Reduce -49.8% | 17,686 | $398K |
| Simplex Trading, LLC | 0.01% | New | 7,479 | $168K |
| Group One Trading LLC | 0.00% | No change | 100 | $2K |
| Main Street Group, LTD | 0.00% | New | 22 | $495 |
| Morgan Stanley | 0.00% | Reduce -66.7% | 1 | $43 |
"% of holder's portfolio" is PST's weight in each manager's 13F, not the share of Proshares Ultrashort 7-10 YR the manager owns.