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MPM
MBB Public Markets Portfolio holdings
AUM
$839M
1-Year Est. Return
20.48%
This Fund
S&P 500
This Quarter
Est. Return
+2.83%
1 Year Est. Return
+20.48%
3 Year Est. Return
+49.88%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$752M
AUM Growth
-$306M
(-29%)
Cap. Flow
-$322M
Cap. Flow
% of AUM
-42.83%
Top 10 Holdings %
Top 10 Hldgs %
90%
Holding
506
New
3
Increased
4
Reduced
16
Closed
468
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$56.6M |
| 2 |
Progressive
PGR
|
+$38.4M |
| 3 |
AerCap
AER
|
+$34.1M |
| 4 |
Ferguson
FERG
|
+$5.66M |
| 5 |
PSKY
Paramount Skydance Corp
PSKY
|
+$348K |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Cameco
CCJ
|
+$25.5M |
| 2 |
iShares MSCI Japan ETF
EWJ
|
+$21.7M |
| 3 |
Vistra
VST
|
+$18.2M |
| 4 |
SLB Ltd
SLB
|
+$15.1M |
| 5 |
IQVIA
IQV
|
+$13.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 27.02% |
| 2 | Financials | 24.58% |
| 3 | Consumer Discretionary | 12.93% |
| 4 | Technology | 6.92% |
| 5 | Communication Services | 5.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
DAY
501
DELISTED
Dayforce
DAY
| – | – |
-4,474
| Closed | -$248K |
|
502
Corpay
CPAY
$25B
| – | – |
-749
| Closed | -$249K |
|
503
Solventum
SOLV
$15.1B
| – | – |
-3,287
| Closed | -$249K |
|
504
GE Vernova
GEV
$267B
| – | – |
-780
| Closed | -$413K |
|
|
SW
505
Smurfit Westrock
SW
$24.2B
| – | – |
-5,638
| Closed | -$243K |
|
|
EXE
506
Expand Energy Corp
EXE
$22B
| – | – |
-2,385
| Closed | -$279K |
|
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MBB Public Markets's Q3 2025 Portfolio in Review
As of Q3 2025, MBB Public Markets held 506 positions worth $752M, down 29% from $1.06B the previous quarter. Its ten largest holdings account for 90% of the portfolio.
MBB Public Markets withdrew a net $322M in Q3 2025, closing 468 positions and reducing 16 holdings. Its most notable exit was Vistra, an estimated $18.2M position sold in full.
By sector, the portfolio is most concentrated in Industrials at 27% of assets, up from 17% a quarter earlier, followed by Financials and Consumer Discretionary.
Against the trend, MBB Public Markets opened a new position in Paramount Skydance Corp worth $416K.
- MBB Public Markets's largest Q3 2025 buy was Paramount Skydance Corp: 21,991 shares worth $416K.
- MBB Public Markets added most to Amazon in Q3 2025, an estimated $56.6M increase.
- MBB Public Markets's biggest Q3 2025 reduction was Cameco, cutting an estimated $25.5M.
- MBB Public Markets fully exited Vistra in Q3 2025, selling an estimated $18.2M.
- MBB Public Markets's ten largest holdings make up 90% of its $752M portfolio in Q3 2025.
- MBB Public Markets opened 3 new positions and closed 468 in Q3 2025.
- MBB Public Markets's portfolio value fell 29% quarter-over-quarter to $752M.
Based on MBB Public Markets's 13F filing for Q3 2025, filed 14 Nov 2025.