PROSHARES ULTRA BLOOMBERG CR (UCO) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $28.99M 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 $10.02M, representing an estimated loss of -6.97% 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, Jump Financial, Llc, 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
41
Total Reported Value
$28.99M
Largest Holder
Citadel Advisors Llc
Largest Position
$10.77M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
54
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 | $10,021,388 | -$751,056 | -6.97% | |
| Quadrature Capital Ltd | 0.06% | 135,512 | $5,325,622 | $4,954,319 | -$371,303 | -6.97% | |
| Jump Financial, Llc | 0.04% | 76,334 | $2,999,926 | $2,790,771 | -$209,155 | -6.97% | |
| Susquehanna International Group, Llp | 0.00% | 34,206 | $1,344,296 | $1,250,571 | -$93,725 | -6.97% | |
| Group One Trading Llc | 0.03% | 26,256 | $1,031,861 | $959,919 | -$71,942 | -6.97% | |
| Two Sigma Securities, Llc | 0.11% | 24,907 | $978,845 | $910,600 | -$68,245 | -6.97% | |
| Jane Street Group, Llc | 0.00% | 23,460 | $921,978 | $857,698 | -$64,280 | -6.97% | |
| Quantum Financial Advisors, Llc | 0.10% | 23,400 | $919,620 | $855,504 | -$64,116 | -6.97% | |
| Morgan Stanley | 0.00% | 21,331 | $838,309 | $779,861 | -$58,448 | -6.97% | |
| Spire Wealth Management | 0.02% | 17,902 | $703,557 | $654,497 | -$49,060 | -6.97% | |
| Simplex Trading, Llc | 0.02% | 15,159 | $595,748 | $554,213 | -$41,535 | -6.97% | |
| Sig Brokerage, Lp | 0.15% | 13,100 | $514,830 | $478,936 | -$35,894 | -6.97% | |
| Stonex Group Inc. | 0.02% | 10,986 | $431,750 | $401,648 | -$30,102 | -6.97% | |
| Means Investment Co., Inc. | 0.03% | 8,241 | $323,871 | $301,291 | -$22,580 | -6.97% | |
| Hightower Advisors, Llc | 0.00% | 7,480 | $293,964 | $273,469 | -$20,495 | -6.97% | |
| Wt Wealth Management | 0.09% | 7,341 | $288,501 | $268,387 | -$20,114 | -6.97% | |
| Xtx Topco Ltd | 0.00% | 5,924 | $232,813 | $216,581 | -$16,232 | -6.97% | |
| Signaturefd, Llc | 0.00% | 1,760 | $69,168 | $64,346 | -$4,822 | -6.97% | |
| Corsicana & Co. | 0.03% | 2,000 | $54,120 | $73,120 | +$19,000 | +35.11% | |
| Chung Wu Investment Group, Llc | 0.04% | 1,300 | $51,090 | $47,528 | -$3,562 | -6.97% | |
| Shp Wealth Management | 0.00% | 1,238 | $48,635 | $45,261 | -$3,374 | -6.94% | |
| Blue Trust, Inc. | 0.00% | 1,200 | $47,160 | $43,872 | -$3,288 | -6.97% | |
| Seneschal Advisors, Llc | 0.03% | 1,110 | $43,623 | $40,582 | -$3,041 | -6.97% | |
| Royal Bank Of Canada | 0.00% | 1,000 | $39,000 | $36,560 | -$2,440 | -6.26% | |
| Wells Fargo & Company/Mn | 0.00% | 733 | $28,807 | $26,798 | -$2,009 | -6.97% | |
| Farther Finance Advisors, Llc | 0.00% | 640 | $23,808 | $23,398 | -$410 | -1.72% | |
| Rothschild Investment Llc | 0.00% | 400 | $15,720 | $14,624 | -$1,096 | -6.97% | |
| Citigroup Inc | 0.00% | 300 | $11,790 | $10,968 | -$822 | -6.97% | |
| Ubs Group Ag | 0.00% | 267 | $10,493 | $9,762 | -$731 | -6.97% | |
| Steward Partners Investment Advisory, Llc | 0.00% | 209 | $8,214 | $7,641 | -$573 | -6.98% | |
| Harbour Investments, Inc. | 0.00% | 200 | $7,860 | $7,312 | -$548 | -6.97% | |
| Golden State Wealth Management, Llc | 0.00% | 115 | $4,520 | $4,204 | -$316 | -6.98% | |
| Parkside Financial Bank & Trust | 0.00% | 100 | $3,930 | $3,656 | -$274 | -6.97% | |
| Main Street Group, Ltd | 0.00% | 60 | $2,358 | $2,194 | -$164 | -6.97% | |
| Larson Financial Group Llc | 0.00% | 56 | $2,201 | $2,047 | -$154 | -6.98% | |
| Strategic Investment Solutions, Inc. | 0.00% | 25 | $982 | $914 | -$68 | -6.92% | |
| Cambridge Investment Research Advisors, Inc. | 0.00% | 13,054 | $513 | $477,254 | +$476,741 | +92932.02% | |
| Flow Traders U.S. Llc | 0.01% | 10,956 | $431 | $400,551 | +$400,120 | +92835.35% | |
| Root Financial Partners, Llc | 0.00% | 10 | $393 | $366 | -$27 | -6.97% | |
| Osaic Holdings, Inc. | 0.00% | 8 | $314 | $292 | -$22 | -6.85% | |
| Tower Research Capital Llc (Trc) | 0.00% | 1 | $39 | $37 | -$2 | -6.26% |
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.