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CG

Corundum Group Portfolio holdings

AUM $299M
1-Year Est. Return 20.66%
This Fund
S&P 500
This Quarter Est. Return
+8.02%
1 Year Est. Return
+20.66%
3 Year Est. Return
+65.83%
5 Year Est. Return
+65.99%
10 Year Est. Return
–
AUM
$243M
AUM Growth
+$17.2M
Cap. Flow
+$440K
Cap. Flow %
0.18%
Top 10 Hldgs %
53.98%
Holding
106
New
3
Increased
31
Reduced
52
Closed
3

Top Buys

Rank Stock Value
1
IWD icon
iShares Russell 1000 Value ETF
IWD
+$1.3M
2
VZ icon
Verizon
VZ
+$683K
3
IWS icon
iShares Russell Mid-Cap Value ETF
IWS
+$287K
4
TSM icon
TSMC
TSM
+$217K
5
AJG icon
Arthur J. Gallagher & Co
AJG
+$205K

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$479K
2
SOLV icon
Solventum
SOLV
+$259K
3
TMO icon
Thermo Fisher Scientific
TMO
+$223K
4
MRVL icon
Marvell Technology
MRVL
+$216K
5
NFLX icon
Netflix
NFLX
+$201K

Sector Composition

Rank Sector Weight
1 Technology 11.26%
2 Industrials 8.52%
3 Financials 5.04%
4 Healthcare 4.49%
5 Communication Services 2.68%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GE icon
76
GE Aerospace
GE
$367B
$428K 0.18%
1,422
-28
-2% -$7.65K
TXN icon
77
Texas Instruments
TXN
$255B
$392K 0.16%
2,133
-24
-1% -$4.69K
QUAL icon
78
iShares MSCI USA Quality Factor ETF
QUAL
$45.8B
$388K 0.16%
1,994
– –
RSG icon
79
Republic Services
RSG
$66.7B
$386K 0.16%
1,683
– –
IJT icon
80
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.22B
$368K 0.15%
2,600
– –
MU icon
81
Micron Technology
MU
$1.04T
$314K 0.13%
1,879
-3
-0.2% -$384
FISV
82
Fiserv Inc
FISV
$27.2B
$309K 0.13%
2,400
– –
NUDM icon
83
Nuveen ESG International Developed Markets Equity ETF
NUDM
$694M
$307K 0.13%
8,153
+164
+2% +$5.95K
META icon
84
Meta Platforms (Facebook)
META
$1.51T
$302K 0.12%
411
+16
+4% +$11.9K
INTU icon
85
Intuit
INTU
$81.1B
$274K 0.11%
401
-32
-7% -$23.1K
VLTO icon
86
Veralto
VLTO
$22.6B
$273K 0.11%
2,557
-176
-6% -$18.6K
SPYM
87
State Street SPDR Portfolio S&P 500 ETF
SPYM
$158B
$272K 0.11%
3,467
+251
+8% +$18.9K
VUG icon
88
Vanguard Growth ETF
VUG
$216B
$262K 0.11%
3,282
– –
VO icon
89
Vanguard Mid-Cap ETF
VO
$106B
$261K 0.11%
3,560
– –
VUSB icon
90
Vanguard Ultra-Short Bond ETF
VUSB
$8.93B
$253K 0.1%
5,069
-400
-7% -$19.9K
ICE icon
91
Intercontinental Exchange
ICE
$82.4B
$252K 0.1%
1,497
-36
-2% -$6.43K
TSM icon
92
TSMC
TSM
$2.09T
$248K 0.1%
+887
New +$217K
NOW icon
93
ServiceNow
NOW
$102B
$247K 0.1%
1,340
-150
-10% -$28K
UBER icon
94
Uber
UBER
$134B
$234K 0.1%
2,392
-352
-13% -$32.9K
MPWR icon
95
Monolithic Power Systems
MPWR
$65.5B
$234K 0.1%
254
-23
-8% -$18.6K
UNH icon
96
UnitedHealth
UNH
$382B
$234K 0.1%
677
-52
-7% -$15.7K
PGR icon
97
Progressive
PGR
$124B
$233K 0.1%
945
-233
-20% -$57.4K
MTN icon
98
Vail Resorts
MTN
$5.19B
$224K 0.09%
1,500
– –
MCHP icon
99
Microchip Technology
MCHP
$42.8B
$215K 0.09%
3,351
-155
-4% -$10.5K
CDNS icon
100
Cadence Design Systems
CDNS
$90B
$213K 0.09%
605
-111
-16% -$38.2K
1 2 3
4
5

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Corundum Group's Q3 2025 Portfolio in Review

As of Q3 2025, Corundum Group held 106 positions worth $243M, up 7.6% from $226M the previous quarter. Its ten largest holdings account for 54% of the portfolio.

Corundum Group's Q3 2025 filing shows 3 new, 31 increased, 52 reduced and 3 closed positions. Its largest new stake was Verizon: 15,771 shares worth $693K. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $479K.

By sector, the portfolio is most concentrated in Technology at 11% of assets, up from 11% a quarter earlier, followed by Industrials and Financials.

  • Corundum Group's largest Q3 2025 buy was Verizon: 15,771 shares worth $693K.
  • Corundum Group added most to iShares Russell 1000 Value ETF in Q3 2025, an estimated $1.3M increase.
  • Corundum Group's biggest Q3 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $479K.
  • Corundum Group fully exited Thermo Fisher Scientific in Q3 2025, selling an estimated $223K.
  • Corundum Group's ten largest holdings make up 54% of its $243M portfolio in Q3 2025.
  • Corundum Group opened 3 new positions and closed 3 in Q3 2025.
  • Corundum Group's portfolio value rose 7.6% quarter-over-quarter to $243M.

Based on Corundum Group's 13F filing for Q3 2025, filed 24 Oct 2025.