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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
Cap. Flow
-$322M
Cap. Flow %
-42.83%
Top 10 Hldgs %
90%
Holding
506
New
3
Increased
4
Reduced
16
Closed
468

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$56.6M
2
PGR icon
Progressive
PGR
+$38.4M
3
AER icon
AerCap
AER
+$34.1M
4
FERG icon
Ferguson
FERG
+$5.66M
5
PSKY
Paramount Skydance Corp
PSKY
+$348K

Top Sells

Rank Stock Value
1
CCJ icon
Cameco
CCJ
+$25.5M
2
EWJ icon
iShares MSCI Japan ETF
EWJ
+$21.7M
3
VST icon
Vistra
VST
+$18.2M
4
SLB icon
SLB Ltd
SLB
+$15.1M
5
IQV icon
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
PGR icon
1
Progressive
PGR
$129B
$184M 24.47%
745,558
+155,652
+26% +$38.4M
AER icon
2
AerCap
AER
$23.9B
$137M 18.23%
1,133,357
+292,042
+35% +$34.1M
AMZN icon
3
Amazon
AMZN
$2.47T
$96.4M 12.82%
439,179
+250,000
+132% +$56.6M
FERG icon
4
Ferguson
FERG
$45.3B
$65.8M 8.74%
292,772
+25,000
+9% +$5.66M
VEA icon
5
Vanguard FTSE Developed Markets ETF
VEA
$225B
$39.7M 5.27%
662,117
– –
GOOGL icon
6
Alphabet (Google) Class A
GOOGL
$4T
$38.4M 5.1%
157,986
– –
EQT icon
7
EQT Corp
EQT
$33.1B
$33.6M 4.46%
616,513
– –
BG icon
8
Bunge Global
BG
$23.1B
$30.9M 4.11%
380,853
– –
MSFT icon
9
Microsoft
MSFT
$2.92T
$26.4M 3.51%
50,939
-12,000
-19% -$6.12M
TECK icon
10
Teck Resources
TECK
$28.3B
$24.7M 3.29%
563,228
– –
AVGO icon
11
Broadcom
AVGO
$1.8T
$24.7M 3.28%
74,841
-25,000
-25% -$7.67M
AMGN icon
12
Amgen
AMGN
$212B
$19.7M 2.62%
69,824
– –
FCX icon
13
Freeport-McMoran
FCX
$87.7B
$8.69M 1.16%
221,678
-308,300
-58% -$13.4M
EWJ icon
14
iShares MSCI Japan ETF
EWJ
$21.2B
$8.38M 1.11%
104,482
-280,000
-73% -$21.7M
CCJ icon
15
Cameco
CCJ
$37.4B
$4.27M 0.57%
50,965
-328,900
-87% -$25.5M
KYTX icon
16
Kyverna Therapeutics
KYTX
$457M
$3.69M 0.49%
614,477
– –
EWZ icon
17
CALL
iShares MSCI Brazil ETF
EWZ
$9.14B
$1.55M 0.21%
50,100
-170,000
-77% -$4.87M
PSKY
18
Paramount Skydance Corp
PSKY
$8.96B
$416K 0.06%
+21,991
New +$348K
WDC icon
19
Western Digital
WDC
$150B
$279K 0.04%
2,323
-3,361
-59% -$275K
STX icon
20
Seagate
STX
$163B
$276K 0.04%
1,171
-1,695
-59% -$289K
COF icon
21
Capital One
COF
$127B
$261K 0.03%
1,228
-235
-16% -$51.4K
IBP icon
22
Installed Building Products
IBP
$6.28B
$247K 0.03%
+1,000
New +$237K
BRK.B icon
23
Berkshire Hathaway Class B
BRK.B
$1.1T
$246K 0.03%
489
– –
PLTR icon
24
Palantir
PLTR
$288B
$220K 0.03%
1,208
-1,749
-59% -$283K
GTX icon
25
Garrett Motion
GTX
$5.67B
$215K 0.03%
15,768
– –
1
2 3 4 5

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WI
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MWM
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SAIG
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BI
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DLP
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SOW
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HVCM
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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.