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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 | |
|---|---|---|---|---|---|---|---|
676
TechnipFMC
FTI
$25.2B
| $1.22K | ﹤0.01% |
+18
| New | +$1.32K |
2026 Q3
0 quarters
|
|
677
Iron Mountain
IRM
$34.1B
| $1.22K | ﹤0.01% |
+11
| New | +$1.32K |
2026 Q3
0 quarters
|
|
678
Trade Desk
TTD
$7.32B
| $1.22K | ﹤0.01% |
+100
| New | +$1.57K |
2026 Q3
0 quarters
|
|
679
Halozyme
HALO
$11.5B
| $1.22K | ﹤0.01% |
+11
| New | +$1.06K |
2026 Q3
0 quarters
|
|
680
Teledyne Technologies
TDY
$29.8B
| $1.21K | ﹤0.01% |
+2
| New | +$1.27K |
2026 Q3
0 quarters
|
|
681
SoFi Technologies
SOFI
$20.3B
| $1.21K | ﹤0.01% |
+77
| New | +$1.36K |
2026 Q3
0 quarters
|
|
682
Cencora
COR
$66.7B
| $1.2K | ﹤0.01% |
+4
| New | +$1.26K |
2026 Q3
0 quarters
|
|
683
Nasdaq
NDAQ
$60.3B
| $1.2K | ﹤0.01% |
+13
| New | +$1.22K |
2026 Q3
0 quarters
|
|
684
Zscaler
ZS
$31.5B
| $1.2K | ﹤0.01% |
+6
| New | +$1.02K |
2026 Q3
0 quarters
|
|
685
Dollar General
DG
$29.7B
| $1.2K | ﹤0.01% |
+10
| New | +$1.23K |
2026 Q3
0 quarters
|
|
686
Avery Dennison
AVY
$14.1B
| $1.2K | ﹤0.01% |
+7
| New | +$1.19K |
2026 Q3
0 quarters
|
|
687
Paychex
PAYX
$41B
| $1.18K | ﹤0.01% |
+12
| New | +$1.39K |
2026 Q3
0 quarters
|
|
688
Evergy
EVRG
$20.7B
| $1.18K | ﹤0.01% |
+15
| New | +$1.24K |
2026 Q3
0 quarters
|
|
689
Sunbelt Rentals Holdings
SUNB
$33.4B
| $1.17K | ﹤0.01% |
+16
| New | +$1.19K |
2026 Q3
0 quarters
|
|
690
Twilio
TWLO
$32.8B
| $1.17K | ﹤0.01% |
+4
| New | +$911 |
2026 Q3
0 quarters
|
|
691
Nucor
NUE
$58.7B
| $1.17K | ﹤0.01% |
+5
| New | +$1.25K |
2026 Q3
0 quarters
|
|
692
Crown Holdings
CCK
$13B
| $1.16K | ﹤0.01% |
+11
| New | +$1.26K |
2026 Q3
0 quarters
|
|
693
Fidelity National Financial
FNF
$11.6B
| $1.16K | ﹤0.01% |
+30
| New | +$1.43K |
2026 Q3
0 quarters
|
|
694
Zimmer Biomet
ZBH
$19.8B
| $1.16K | ﹤0.01% |
+13
| New | +$1.23K |
2026 Q3
0 quarters
|
|
695
Willis Towers Watson
WTW
$30.3B
| $1.15K | ﹤0.01% |
+4
| New | +$1.26K |
2026 Q3
0 quarters
|
|
696
Canadian Solar
CSIQ
$682M
| $1.15K | ﹤0.01% |
+100
| New | +$1.4K |
2026 Q3
0 quarters
|
|
697
Upstart Holdings
UPST
$1.89B
| $1.15K | ﹤0.01% |
+50
| New | +$1.43K |
2026 Q3
0 quarters
|
|
698
Garmin
GRMN
$55.1B
| $1.15K | ﹤0.01% |
+4
| New | +$1.11K |
2026 Q3
0 quarters
|
|
699
Packaging Corp of America
PKG
$22.3B
| $1.15K | ﹤0.01% |
+5
| New | +$1.2K |
2026 Q3
0 quarters
|
|
700
Fastenal
FAST
$63.7B
| $1.14K | ﹤0.01% |
+23
| New | +$1.13K |
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.