PROSHARES ULTRA BLOOMBERG CR (UCO) Institutional Shareholders
PROSHARES ULTRA BLOOMBERG CR (UCO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $34.34M in UCO holdings during the latest filing period.
Citadel Advisors Llc is currently the largest disclosed institutional shareholder of UCO tracked by InsiderSet, reporting ownership valued at approximately $10.77M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $11.08M, representing an estimated gain of +2.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 89% of the total disclosed UCO value among the investors covered in this analysis. Major shareholders include Citadel Advisors Llc, Quadrature Capital Ltd, Citigroup Inc, and several other long-term asset managers with concentrated positions in PROSHARES ULTRA BLOOMBERG CR (UCO).
This page ranks the largest institutional UCO shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
37
Total Reported Value
$34.34M
Largest Holder
Citadel Advisors Llc
Largest Position
$10.77M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | 0.01% | 274,108 | $10,772,444 | $11,079,445 | +$307,001 | +2.85% | |
| Quadrature Capital Ltd | 0.06% | 135,512 | $5,325,622 | $5,477,395 | +$151,773 | +2.85% | |
| Citigroup Inc | 0.00% | 100,300 | $3,304,885 | $4,054,126 | +$749,241 | +22.67% | |
| Jump Financial, Llc | 0.04% | 76,334 | $2,999,926 | $3,085,420 | +$85,494 | +2.85% | |
| Belvedere Trading Llc | 0.24% | 87,430 | $2,880,819 | $3,533,921 | +$653,102 | +22.67% | |
| Susquehanna International Group, Llp | 0.00% | 34,206 | $1,344,296 | $1,382,607 | +$38,311 | +2.85% | |
| Group One Trading Llc | 0.03% | 26,256 | $1,031,861 | $1,061,268 | +$29,407 | +2.85% | |
| Two Sigma Securities, Llc | 0.11% | 24,907 | $978,845 | $1,006,741 | +$27,896 | +2.85% | |
| Jane Street Group, Llc | 0.00% | 23,460 | $921,978 | $948,253 | +$26,275 | +2.85% | |
| Morgan Stanley | 0.00% | 21,331 | $838,309 | $862,199 | +$23,890 | +2.85% | |
| Quantum Financial Advisors, Llc | 0.08% | 23,400 | $771,030 | $945,828 | +$174,798 | +22.67% | |
| Simplex Trading, Llc | 0.02% | 15,159 | $595,748 | $612,727 | +$16,979 | +2.85% | |
| Sig Brokerage, Lp | 0.15% | 13,100 | $514,830 | $529,502 | +$14,672 | +2.85% | |
| Stonex Group Inc. | 0.02% | 10,986 | $431,750 | $444,054 | +$12,304 | +2.85% | |
| Means Investment Co., Inc. | 0.03% | 8,241 | $323,871 | $333,101 | +$9,230 | +2.85% | |
| Hightower Advisors, Llc | 0.00% | 7,480 | $293,964 | $302,342 | +$8,378 | +2.85% | |
| Wt Wealth Management | 0.07% | 7,341 | $241,886 | $296,723 | +$54,837 | +22.67% | |
| Xtx Topco Ltd | 0.00% | 5,924 | $232,813 | $239,448 | +$6,635 | +2.85% | |
| Ashton Thomas Private Wealth, Llc | 0.00% | 6,157 | $202,873 | $248,866 | +$45,993 | +22.67% | |
| Signaturefd, Llc | 0.00% | 1,760 | $57,992 | $71,139 | +$13,147 | +22.67% | |
| Shp Wealth Management | 0.00% | 1,238 | $48,635 | $50,040 | +$1,405 | +2.89% | |
| Seneschal Advisors, Llc | 0.03% | 1,110 | $43,623 | $44,866 | +$1,243 | +2.85% | |
| Blue Trust, Inc. | 0.00% | 1,200 | $39,540 | $48,504 | +$8,964 | +22.67% | |
| Royal Bank Of Canada | 0.00% | 1,000 | $39,000 | $40,420 | +$1,420 | +3.64% | |
| Wells Fargo & Company/Mn | 0.00% | 733 | $28,807 | $29,628 | +$821 | +2.85% | |
| Farther Finance Advisors, Llc | 0.00% | 640 | $21,088 | $25,869 | +$4,781 | +22.67% | |
| Rothschild Investment Llc | 0.00% | 400 | $15,720 | $16,168 | +$448 | +2.85% | |
| Ubs Group Ag | 0.00% | 267 | $10,493 | $10,792 | +$299 | +2.85% | |
| Steward Partners Investment Advisory, Llc | 0.00% | 209 | $8,214 | $8,448 | +$234 | +2.85% | |
| Harbour Investments, Inc. | 0.00% | 200 | $7,860 | $8,084 | +$224 | +2.85% | |
| Hilltop National Bank | 0.00% | 200 | $6,590 | $8,084 | +$1,494 | +22.67% | |
| Parkside Financial Bank & Trust | 0.00% | 100 | $3,930 | $4,042 | +$112 | +2.85% | |
| Larson Financial Group Llc | 0.00% | 56 | $2,201 | $2,264 | +$63 | +2.84% | |
| Main Street Group, Ltd | 0.00% | 60 | $1,977 | $2,425 | +$448 | +22.67% | |
| Flow Traders U.S. Llc | 0.01% | 10,956 | $431 | $442,842 | +$442,411 | +102647.45% | |
| Osaic Holdings, Inc. | 0.00% | 8 | $314 | $323 | +$9 | +2.98% | |
| Tower Research Capital Llc (Trc) | 0.00% | 1 | $39 | $40 | +$1 | +3.64% |
Frequently asked questions about UCO
Who owns the most UCO stock?
The largest holders of UCO are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PROSHARES ULTRA BLOOMBERG CR (UCO).
Is UCO widely held by superinvestors?
Many widely followed stocks like UCO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly UCO is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.