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William Mack & Associates Portfolio holdings
AUM
$319M
Turnover
87.1%
1-Year Est. Return
12.97%
This Fund
S&P 500
This Quarter Est. Return
+1.26%
1 Year Est. Return
+12.97%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$319M
AUM Growth
+$35.5M
(+13%)
Cap. Flow
+$34.1M
Cap. Flow % of AUM
Cap. Flow %
10.69%
Top 10 Holdings %
Top 10 Hldgs %
71.1%
Holding
876
New
762
Increased
54
Reduced
35
Closed
1
Avg Time Held
0.1
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Vanguard FTSE Developed Markets ETF
VEA
|
+$4.89M |
| 2 |
Vanguard Short-Term Corporate Bond ETF
VCSH
|
+$2.75M |
| 3 |
Vanguard Morningstar Mid-Cap ETF
VO
|
+$2.37M |
| 4 |
Schwab Fundamental International Large Company Index ETF
FNDF
|
+$2.31M |
| 5 |
JPMorgan Income ETF
JPIE
|
+$2.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR Bloomberg Convertible Securities ETF
CWB
|
+$1.83M |
| 2 |
Apple
AAPL
|
+$1.45M |
| 3 |
Schwab US Large-Cap Growth ETF
SCHG
|
+$891K |
| 4 |
BlackRock Flexible Income ETF
BINC
|
+$373K |
| 5 |
PIMCO Multi Sector Bond Active ETF
PYLD
|
+$325K |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 83.12% |
| 2 | Technology | 7.92% |
| 3 | Communication Services | 1.98% |
| 4 | Consumer Discretionary | 1.88% |
| 5 | Financials | 1.24% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
601
Extra Space Storage
EXR
$33B
| $1.58K | ﹤0.01% |
+12
| New | +$1.72K |
2026 Q3
0 quarters
|
|
602
Williams Companies
WMB
$86.8B
| $1.56K | ﹤0.01% |
+23
| New | +$1.67K |
2026 Q3
0 quarters
|
|
603
Tema Space Innovators ETF
NASA
$4.49B
| $1.56K | ﹤0.01% |
+65
| New | +$1.58K |
2026 Q3
0 quarters
|
|
604
Corpay
CPAY
$29.2B
| $1.56K | ﹤0.01% |
+4
| New | +$1.56K |
2026 Q3
0 quarters
|
|
605
Global Payments
GPN
$23.3B
| $1.55K | ﹤0.01% |
+19
| New | +$1.63K |
2026 Q3
0 quarters
|
|
606
The GEO Group
GEO
$4.24B
| $1.52K | ﹤0.01% |
+50
| New | +$1.55K |
2026 Q3
0 quarters
|
|
607
Workday
WDAY
$45.9B
| $1.52K | ﹤0.01% |
+8
| New | +$1.39K |
2026 Q3
0 quarters
|
|
608
Veralto
VLTO
$28.6B
| $1.51K | ﹤0.01% |
+16
| New | +$1.53K |
2026 Q3
0 quarters
|
|
609
Emcor
EME
$29B
| $1.51K | ﹤0.01% |
+2
| New | +$1.54K |
2026 Q3
0 quarters
|
|
610
International Flavors & Fragrances
IFF
$20.1B
| $1.5K | ﹤0.01% |
+18
| New | +$1.48K |
2026 Q3
0 quarters
|
|
611
Coinbase
COIN
$34.6B
| $1.49K | ﹤0.01% |
+8
| New | +$1.36K |
2026 Q3
0 quarters
|
|
612
Ameren
AEE
$31.4B
| $1.49K | ﹤0.01% |
+15
| New | +$1.62K |
2026 Q3
0 quarters
|
|
613
Boston Scientific
BSX
$64.1B
| $1.48K | ﹤0.01% |
+34
| New | +$1.57K |
2026 Q3
0 quarters
|
|
614
Estee Lauder
EL
$40B
| $1.48K | ﹤0.01% |
+16
| New | +$1.46K |
2026 Q3
0 quarters
|
|
615
CoStar Group
CSGP
$12.1B
| $1.48K | ﹤0.01% |
+54
| New | +$1.62K |
2026 Q3
0 quarters
|
|
616
Reinsurance Group of America
RGA
$17.8B
| $1.48K | ﹤0.01% |
+6
| New | +$1.45K |
2026 Q3
0 quarters
|
|
617
Invitation Homes
INVH
$15.4B
| $1.48K | ﹤0.01% |
+56
| New | +$1.63K |
2026 Q3
0 quarters
|
|
618
Constellation Brands
STZ
$24.5B
| $1.47K | ﹤0.01% |
+13
| New | +$1.68K |
2026 Q3
0 quarters
|
|
619
Vulcan Materials
VMC
$36B
| $1.47K | ﹤0.01% |
+6
| New | +$1.63K |
2026 Q3
0 quarters
|
|
620
Okta
OKTA
$31.9B
| $1.46K | ﹤0.01% |
+7
| New | +$1.11K |
2026 Q3
0 quarters
|
|
621
Everest Group
EG
$15.6B
| $1.46K | ﹤0.01% |
+4
| New | +$1.5K |
2026 Q3
0 quarters
|
|
622
Incyte
INCY
$24.8B
| $1.46K | ﹤0.01% |
+12
| New | +$1.46K |
2026 Q3
0 quarters
|
|
623
Keurig Dr Pepper
KDP
$48.2B
| $1.46K | ﹤0.01% |
+48
| New | +$1.5K |
2026 Q3
0 quarters
|
|
624
Monster Beverage
MNST
$89.2B
| $1.46K | ﹤0.01% |
+35
| New | +$1.62K |
2026 Q3
0 quarters
|
|
625
Interactive Brokers
IBKR
$36.9B
| $1.45K | ﹤0.01% |
+17
| New | +$1.56K |
2026 Q3
0 quarters
|
|
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William Mack & Associates's Q3 2026 Portfolio in Review
As of Q3 2026, William Mack & Associates held 876 positions worth $319M, up 13% from $284M the previous quarter. Its ten largest holdings account for 71% of the portfolio.
William Mack & Associates deployed $34.1M of net new capital in Q3 2026, opening 762 new positions and adding to 54 existing holdings. Its largest new stake was ExxonMobil: 3,890 shares worth $633K.
By sector, the portfolio is most concentrated in Miscellaneous at 83% of assets, down from 86% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Bloomberg Convertible Securities ETF, an estimated $1.83M trimmed.
- William Mack & Associates's largest Q3 2026 buy was ExxonMobil: 3,890 shares worth $633K.
- William Mack & Associates added most to Vanguard FTSE Developed Markets ETF in Q3 2026, an estimated $4.89M increase.
- William Mack & Associates's biggest Q3 2026 reduction was State Street SPDR Bloomberg Convertible Securities ETF, cutting an estimated $1.83M.
- William Mack & Associates fully exited US Gold Corp in Q3 2026, selling an estimated $0.
- William Mack & Associates's ten largest holdings make up 71% of its $319M portfolio in Q3 2026.
- William Mack & Associates opened 762 new positions and closed 1 in Q3 2026.
- William Mack & Associates's portfolio value rose 13% quarter-over-quarter to $319M.
Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.