Western Midstream Partners, LP - Limited Partnership
US ˙ NYSE ˙ US9586691035

SecurityWES / Western Midstream Partners, LP - Limited Partnership
InstitutionCAPROCK Group, Inc.
Latest Disclosed Ownership16,279 shares
Latest Disclosed Value $ 670,206
CAPROCK Group, Inc. reports 26.95% decrease in ownership of WES / Western Midstream Partners, LP - Limited Partnership

On May 11, 2026 - CAPROCK Group, Inc. filed a 13F-HR form disclosing ownership of 16,279 shares of Western Midstream Partners, LP - Limited Partnership (US:WES) valued at $670,206 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 22,286 shares of Western Midstream Partners, LP - Limited Partnership. This represents a change in shares of -26.95% during the quarter. The current value of the position is $716,764 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 16,279 -6,007 -26.95 670 -23.86 0.0163
2026-01-28 2025-12-31 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 22,286 -7,251 -24.55 880 -24.01 0.0186
2025-11-06 2025-09-30 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 29,537 11,531 64.04 1,158 57.12 0.0285
2025-05-15 2025-03-31 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 18,006 137 0.77 738 7.43 0.0225
2025-01-23 2024-12-31 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 17,869 12,565 236.90 687 239.60 0.0224
2024-11-07 2024-09-30 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 5,304 5,304 203 0.0074
2024-04-29 2024-03-31 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 0 -14,738 -100.00 0 -100.00
2024-01-18 2023-12-31 13F WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 14,738 14,738 431 0.0276
2017-07-27 2017-06-30 13F WESTERN GAS PARTNERS COM UNIT LP IN 958254104 0 -5,169 -100.00 0 -100.00
2017-07-27 2017-06-30 13F WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 0 -5,120 0
2017-04-21 2017-03-31 13F WESTERN GAS PARTNERS COM UNIT LP IN 958254104 5,169 0 0.00 312 2.63 0.0733
2017-04-21 2017-03-31 13F WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 5,120 -49 236 0.0554
2017-01-24 2016-12-31 13F WESTERN GAS PARTNERS COM UNIT LP IN 958254104 5,169 -1,104 -17.60 304 -11.88 0.0765
2017-01-24 2016-12-31 13F WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 6,955 -23,166 295 0.0742
2016-11-15 2016-09-30 13F WESTERN GAS PARTNERS COM UNIT LP IN 958254104 6,273 -1,526 -19.57 345 -12.21 0.0783
2016-11-15 2016-09-30 13F WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 30,121 22,322 1,280 0.2904
2016-08-25 2016-06-30 13F WESTERN GAS PARTNERS COM UNIT LP IN 958254104 7,799 -492 -5.93 393 9.17 0.0958
2016-08-25 2016-06-30 13F WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 34,160 34,160 1,307 0.3186
2016-05-11 2016-03-31 13F WESTERN GAS PARTNERS COM UNIT LP IN 958254104 8,291 8,291 360 0.0854
2016-05-11 2016-03-31 13F WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 34,787 34,787 1,240 0.2940
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.