MPLX LP — Institutional Ownership

Which tracked institutions hold MPLX, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.

32
Funds holding
$3739600674
Total value held
Buying
18 added/new · 11 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Invesco Ltd. $970687049 18187878 -1374060 -7.02%
2 Blackstone Inc. $876063479 15350683 NEW BUY
3 Goldman Sachs Group Inc $713805262 12507539 +40552 +0.33%
4 Morgan Stanley $283306899 4964199 -798911 -13.86%
5 Bank Of Montreal /Can/ $229845259 4027427 NEW BUY
6 Bank Of America Corp /De/ $146856841 2573276 -5957790 -69.84%
7 Westwood Holdings Group Inc $127657398 2236856 +2194739 +5211.05%
8 Brookfield Corp /On/ $124059673 2173816 -786014 -26.56%
9 Royal Bank Of Canada $65739000 1151905 NEW BUY
10 Raymond James Financial Inc $55811034 977940 +22242 +2.33%
11 Barclays Plc $50634102 887228 NEW BUY
12 Wells Fargo & Company/Mn $39956465 748670 +11775 +1.60%
13 Citigroup Inc $24756475 463865 -143062 -23.57%
14 Blackrock, Inc. $8060493 141239 -371 -0.26%
15 Pnc Financial Services Group, Inc. $6699847 117397 +2974 +2.60%
16 Us Bancorp \De\ $3409476 59742 -5300 -8.15%
17 Ameriprise Financial Inc $2033315 35628 -20122 -36.09%
18 Bank Of New York Mellon Corp $1933078 33872 -3608 -9.63%
19 Northern Trust Corp $1652348 28953 +2477 +9.36%
20 American Financial Group Inc $1426750 25000 NEW BUY
21 Sei Investments Co $1265527 22175 NEW BUY
22 Truist Financial Corp $849241 14881 +2914 +24.35%
23 Equitable Holdings, Inc. $661521 12395 NEW BUY
24 Pinnacle Financial Partners, Inc. $580801 10177 NEW BUY
25 M&T Bank Corp $560065 10494 Held
26 Citizens Financial Group Inc/Ri $481482 8437 +144 +1.74%
27 Hancock Whitney Corp $401659 7038 -1950 -21.70%
28 Hilltop Holdings Inc. $256650 4498 -3237 -41.85%
29 Fifth Third Bancorp $85548 1499 Held
30 Cohen & Steers, Inc. $53061 929751 +49158 +5.58%
31 Atlantic Union Bankshares Corp $10354 194 Held
32 Peapack Gladstone Financial Corp $522 9151 +83 +0.92%

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.