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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 | |
|---|---|---|---|---|---|---|
51
Ameren
AEE
$30.3B
| – | – |
-2,601
| Closed | -$250K |
|
52
American Electric Power
AEP
$69.6B
| – | – |
-2,453
| Closed | -$255K |
|
53
AES
AES
$10.5B
| – | – |
-20,482
| Closed | -$215K |
|
54
Aflac
AFL
$64.9B
| – | – |
-2,378
| Closed | -$251K |
|
55
American International
AIG
$41.7B
| – | – |
-3,075
| Closed | -$263K |
|
56
Assurant
AIZ
$13.8B
| – | – |
-1,200
| Closed | -$237K |
|
57
Arthur J. Gallagher & Co
AJG
$64.1B
| – | – |
-782
| Closed | -$250K |
|
58
Akamai
AKAM
$16.7B
| – | – |
-3,140
| Closed | -$250K |
|
59
Albemarle
ALB
$13.9B
| – | – |
-3,265
| Closed | -$205K |
|
60
Align Technology
ALGN
$12.1B
| – | – |
-1,542
| Closed | -$292K |
|
61
Allstate
ALL
$68B
| – | – |
-1,223
| Closed | -$246K |
|
62
Allegion
ALLE
$13.4B
| – | – |
-1,966
| Closed | -$283K |
|
63
Applied Materials
AMAT
$403B
| – | – |
-1,565
| Closed | -$287K |
|
64
Advanced Micro Devices
AMD
$776B
| – | – |
-2,382
| Closed | -$338K |
|
65
Ametek
AME
$55.4B
| – | – |
-1,465
| Closed | -$265K |
|
66
Ameriprise Financial
AMP
$48.3B
| – | – |
-521
| Closed | -$278K |
|
67
American Tower
AMT
$80.8B
| – | – |
-1,213
| Closed | -$268K |
|
|
68
CALL
Amazon
AMZN
$2.92T
| – | – |
-80,000
| Closed | -$17.6M |
|
69
Arista Networks
ANET
$227B
| – | – |
-3,062
| Closed | -$313K |
|
|
ANSS
70
DELISTED
Ansys
ANSS
| – | – |
-752
| Closed | -$264K |
|
71
Aon
AON
$76.5B
| – | – |
-658
| Closed | -$235K |
|
72
A.O. Smith
AOS
$8.17B
| – | – |
-3,694
| Closed | -$242K |
|
73
APA Corp
APA
$13.2B
| – | – |
-12,266
| Closed | -$224K |
|
74
Air Products & Chemicals
APD
$65.7B
| – | – |
-876
| Closed | -$247K |
|
75
Amphenol
APH
$198B
| – | – |
-3,658
| Closed | -$361K |
|
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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.