$WES

$45.17 +$0.04 (0.09%) Close

$WES Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 413.2M shares outstanding

Who owns WES?

By type of holder

Institutions 43.0% Insiders 0.0% Everyone else 57.0%

Concentration Top 10 holders own 67.3%

Occidental Petroleum Corporation 36.4% · Alps Advisors Inc 8.9%

Institutional ownership

43.0%

+3.1 pts vs last qtr

Institutional holders

370

+25 vs last qtr

Net shares bought

+12.7M

by institutions in Q2 2026

New / sold out

50 / 25

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Morgan Stanley +16.7M
Blackstone Inc. +1.6M

Biggest sellers in Q2 2026

Tortoise Capital Advisors, L.L.C. −2.3M
Alps Advisors Inc −2.0M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Western Midstream Partners LP in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Western Midstream Partners LP.

How patient are the owners?

Institutional shares by how long they've been held

5+ years63% 3–5 years24% 1–3 years3% Under 1 year9%

Quarterly turnover

9.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting WES on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AA Alps Advisors Inc	36.6M	8.87%	−2.0M (−5.2%)	2022	7.5%
Shares held by quarter Peak holding38.6M (Q1'26) Change over 8 quarters+8.3M Share of the company8.870% Alps Advisors Inc's full portfolio →
I Invesco Ltd.	24.1M	5.84%	+74.7K (+0.3%)	≤2021	0.1%
Shares held by quarter Peak holding24.4M (Q1'25) Change over 8 quarters+2.7M Share of the company5.840% Invesco Ltd.'s full portfolio →

Alps Advisors Inc

36.6M

% of company

8.87%

Change vs last qtr

−2.0M (−5.2%)

Held since

2022

Invesco Ltd.

24.1M

% of company

5.84%

Change vs last qtr

+74.7K (+0.3%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Western Midstream Partners LP, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting WES on Form N-PORT; together they hold 23.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
AM Alerian MLP ETF Alps ETF Trust	$1.65B	38.6M	9.34%	13.63%	May 31, 2026
IS Invesco SteelPath MLP Income Fund AIM Investment Funds (Invesco Investment Funds)	$680M	15.9M	3.84%	15.28%	May 31, 2026

Alerian MLP ETF

Alps ETF Trust

Position value

$1.65B

% of company

9.34%

% of the fund

13.63%

As of

May 31, 2026

Invesco SteelPath MLP Income Fund

AIM Investment Funds (Invesco Investment Funds)

Position value

$680M

% of company

3.84%

% of the fund

15.28%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding Western Midstream Partners LP and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
OP Occidental Petroleum Corporation 5%+ holder 13D · 38.3%	150.4M	36.39%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company36.390% Disclosed stake13D · 38.3% View the 13D/G filing →

Occidental Petroleum Corporation

5%+ holder13D · 38.3%

150.4M

% of company

36.39%

Change vs last qtr

—

Held since

—

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