WES

Western Midstream Partners, LP

Company with tickers: WES

CIK
1423902
CUSIP
958669103
Shares Outstanding
393,781,339
13F Activity (30d)
252 filings 246 filers
Holders: 348
Total Value: $6,891,659,301
Total Shares: 167,395,178
Showing 1–100 of 356 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 348 13F filers · Δ vs Dec 31, 2025
Top Holder
23.1%
Jun 2023 → Mar 2026 · range 17.8% – 24.0%
+1.9 pts
Top 5
53.2%
Jun 2023 → Mar 2026 · range 52.2% – 57.9%
+0.0 pts
Top 10
70.6%
Jun 2023 → Mar 2026 · range 70.4% – 73.9%
−0.6 pts
HHI
909
Jun 2023 → Mar 2026 · range 739 – 1,028
Broadly held +57

Quarterly Activity

vs Dec 31, 2025
New
50
Increased
139
Decreased
66
Sold Out
33
Unchanged
93
Holder count: +17
Institutional value: +5.5%
Shares held: +1.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
100 of 100 shown
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Holder Value (USD) % of 13F Shares Open
Page 1 of 4
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