Who owns ProShares UltraShort 7-10 Year Treasury?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of PST from SEC Form 13F filings across 9 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 9 institutions disclosed 148,621 shares of ProShares UltraShort 7-10 Year Treasury worth $3.4M — about 30.8% of shares outstanding; the largest disclosed holder is ROYAL BANK OF CANADA. Source: SEC Form 13F filings, parsed by EvidInvest.
9
13F holders
$3.4M
value, 2026 filers
30.8%
of shares outstanding (148,621 sh)
1
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of PST's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ROYAL BANK OF CANADA | 41,829 | $952,000 | 0.0% | 8.7% | +72.0% |
| 2 | CITADEL ADVISORS LLC | 32,236 | $733,691 | 0.0% | 6.7% | -12.6% |
| 3 | JANE STREET GROUP, LLC | 25,594 | $582,519 | 0.0% | 5.3% | -15.7% |
| 4 | CUMBERLAND ADVISORS INC | 24,240 | $551,702 | 0.2% | 5% | 0.0% |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 10,268 | $233,700 | 0.0% | 2.1% | -41.9% |
| 6 | GTS SECURITIES LLCNEW | 10,218 | $232,562 | 0.0% | 2.1% | new |
| 7 | SIMPLEX TRADING, LLC | 4,134 | $94,089 | 0.0% | 0.9% | -44.7% |
| 8 | GROUP ONE TRADING LLC | 100 | $2,276 | 0.0% | 0% | 0.0% |
| 9 | MORGAN STANLEY | 2 | $50 | 0.0% | 0% | +100.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.