What is CUSIP 91232N207?

CUSIP 91232N207 is the security identifier used in SEC filing datasets for USO - United States Oil Fund, LP - UNITS.

Who owns USO - United States Oil Fund, LP - UNITS based on 13F filings?

190 institutions reported positions in USO - United States Oil Fund, LP - UNITS as of Q1 2026. Open the latest holders period and ownership history tables on this page for position-level details.

Security Snapshot

United States Oil Fund, LP - UNITS (USO) Institutional Ownership

CUSIP: 91232N207

13F Institutional Holders and Ownership History from Q1 2019 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

190

Shares (Excl. Options)

15,162,384

Price

$127.25

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Security type / class: Equity / UNITS
Symbol: USO on NYSE
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 15,162,384
Total 13F value: $1,929,418,898
Portfolio coverage rank: 0%
Share change: +11,684,236
Value change: +$1,499,338,787
Number of holders: 190
SEC-reported price per share: $130.78

13F Shares, Excluding Options vs Price

13F Value, Excluding Options

Total Investors

Key facts

USO - United States Oil Fund, LP - UNITS is tracked under CUSIP 91232N207.
190 institutions reported positions in Q1 2026.
Schedule 13D/13G significant owner rows are not currently available.

Change

Holder count moved from 141 to 190 between Q4 2025 and Q1 2026.
SEC-reported value moved from $229,195,081 to $1,929,418,898.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 190 institutions filings for Q1 2026.

Open SEC evidence

Security key

91232N207

Latest holder period

Q1 2026

13F holders

190

13D/G owners

CIK / CUSIP context first

Open Q1 2026 holders USO full holder history United States Oil Fund, LP SEC filings United States Oil Fund, LP company facts United States Oil Fund, LP insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 91232N207:

Q1 2026 (190 holders) Q4 2025 (141 holders) Q3 2025 (144 holders) Q2 2025 (148 holders) Q1 2025 (148 holders) Q4 2024 (168 holders) Q3 2024 (164 holders) Q2 2024 (176 holders) Q1 2024 (175 holders) Q4 2023 (182 holders)

As of 31 Mar 2026, 190 institutional investors reported holding 15,162,384 shares of United States Oil Fund, LP - UNITS (USO).

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods

Latest

Q1 2026

Rows shown

1-25 of 29

Period	13F Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	15,162,384	$1,929,418,898	+$1,499,338,787	$4,804,526,500	$4,646,508,475	$127.25	190
2025 Q4	3,304,436	$229,195,081	-$130,987,253	$695,963,996	$718,766,048	$69.16	141
2025 Q3	5,192,996	$383,043,246	-$60,881,019	$1,011,680,054	$987,749,859	$73.75	144
2025 Q2	6,021,230	$440,472,109	-$5,147,074	$1,841,700,833	$1,259,193,868	$73.11	148
2025 Q1	6,076,774	$469,432,231	+$134,287,750	$712,632,829	$921,860,639	$77.33	148
2024 Q4	4,366,291	$329,900,117	-$157,535,347	$859,025,718	$908,521,218	$75.55	168
2024 Q3	6,448,592	$451,086,541	-$407,683,815	$584,915,700	$1,390,568,423	$69.92	164
2024 Q2	12,181,143	$969,556,876	+$145,479,674	$490,465,416	$696,181,839	$79.59	176
2024 Q1	10,351,541	$815,015,872	-$165,346,972	$1,002,367,737	$1,046,557,765	$78.73	175
2023 Q4	12,650,652	$843,749,112	+$324,329,805	$1,231,703,400	$1,085,420,095	$66.65	182
2023 Q3	7,477,137	$604,554,409	-$11,887,365	$1,730,069,264	$1,153,128,334	$80.86	173
2023 Q2	8,108,576	$515,536,450	-$5,186,220	$1,147,721,617	$864,860,457	$63.55	163
2023 Q1	8,158,035	$541,849,893	-$160,566,941	$1,221,840,276	$1,045,724,356	$66.44	180
2022 Q4	10,562,222	$740,328,680	-$111,900,135	$834,036,161	$955,787,751	$70.11	197
2022 Q3	12,118,332	$812,163,458	+$159,214,526	$915,068,024	$946,209,824	$65.28	171
2022 Q2	9,696,969	$781,486,670	-$131,846,490	$1,295,085,530	$998,696,480	$80.34	189
2022 Q1	11,509,927	$869,199,197	+$88,528,250	$1,258,040,220	$1,709,660,360	$74.12	192
2021 Q4	10,591,261	$577,108,070	+$27,243,165	$1,098,517,000	$1,525,012,000	$54.36	179
2021 Q3	10,041,303	$527,490,565	-$82,531,233	$728,314,000	$1,192,306,000	$52.56	163
2021 Q2	11,237,022	$560,686,785	-$130,591,523	$881,954,000	$1,040,928,000	$49.88	171
2021 Q1	14,272,019	$578,708,941	-$541,220,502	$669,426,000	$1,158,556,000	$40.53	174
2020 Q4	28,016,299	$924,792,208	-$276,271,546	$856,256,000	$608,220,116	$33.01	169
2020 Q3	36,245,995	$1,024,603,430	+$198,548,199	$1,027,554,000	$572,530,000	$28.29	165
2020 Q2	29,799,182	$836,239,822	+$804,681,981	$1,572,581,000	$972,903,000	$28.06	179
2020 Q1	280,071	$1,177,908	+$1,177,908		$232,000	$4.20	10