566 hedge funds and large institutions have $11.6B invested in MPLX in 2025 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 200 increasing their positions, 132 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
566
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$280M
Puts
$76.8M
Net Calls
Net Calls Change

Top Buyers

1 +$113M
2 +$54.2M
3 +$45.8M
4
JP Morgan Chase
JP Morgan Chase
New York
+$34.3M
5
Neuberger Berman Group
Neuberger Berman Group
New York
+$18.5M

Top Sellers

1 -$91.4M
2 -$64.3M
3 -$47.7M
4
TCA
Tortoise Capital Advisors
Kansas
-$26.4M
5
Nomura Holdings
Nomura Holdings
Japan
-$21.5M
Name Holding Trade Value Shares
Change
Change in
Stake
251
$857K
252
$854K
253
$831K
254
$827K
255
$817K
256
$789K
257
$785K
258
$782K
259
$781K
260
$765K
261
$758K
262
$749K
263
$748K
264
$747K
265
$744K
266
$734K
267
$728K
268
$724K
269
$723K
270
$717K
271
$716K
272
$712K
273
$708K
274
$706K
275
$701K