Winthrop Advisory Group LLC 13F Portfolio

CIK 1739043 Filing since Q4 2017 Q3 2026 filed Oct 22, 2026
Holdings as of Sep 30, 2026, from the 13F filed Oct 22, 2026.

Portfolio Snapshot

120 positions · Q3 2026

Winthrop Advisory Group LLC reported 120 positions worth $236.14M for the quarter ended Sep 30, 2026, up 17.1% on the prior quarter. It opened 11 new positions, added to 58, trimmed 44 and exited 10. Its largest holding is Apple Inc. at 24.2% of the portfolio.

Portfolio Value
$236.14M
+17.1% QoQ · +33.8% YoY
Positions
120
11 new · 10 sold out
Top 10 Concentration
62.4%
of portfolio value
Largest Position
AAPL 24.2%
Apple Inc.
Net Buying
+$23.29M
$27.87M bought · $4.58M sold
Turnover
2.1%
of the portfolio traded
Top Sector
Technology
55.8% of value
Track Record
36
quarters on file since Q4 2017

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

12 sectors
55.83%
Technology
Technology55.83%
Financial Services12.46%
Consumer Discretionary8.98%
Healthcare6.22%
Basic Materials5.54%
Industrials4.55%
Consumer Staples3.33%
Energy1.21%
Communication Services1.16%
Utilities0.325%
Other0.276%
Real Estate0.12%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

TechnologyFinancial ServicesConsumer DiscretionaryHealthcareBasic MaterialsIndustrialsConsumer StaplesEnergyCommunication ServicesUtilitiesOtherReal Estate

Largest Buys

Q3 2026
Holding Change Change % Trade Value Weight
PKE Park Aerospace Corp +422.3K – $12.54M 5.31%
AAPL Apple Inc. +18.1K +11.8% $6.04M 24.22%
JNJ Johnson & Johnson +3,086 +28.3% $816.98K 1.57%
INTC Intel Corp +6,770 +167.3% $813.99K 0.551%
LLY ELI LILLY & Co +668 +34.6% $773.06K 1.27%
NEE Nextera Energy Inc +5,776 – $437.49K 0.185%
WMT Walmart Inc. +3,425 +15.3% $355.92K 1.13%
AMZN Amazon Com Inc +1,418 +2.9% $353.30K 5.37%
AVGO Broadcom Inc. +993 +11.9% $348.74K 1.39%
TXG 10x Genomics, Inc. +3,500 – $316.26K 0.134%

Largest Sells

Q3 2026
Holding Change Change % Trade Value Weight
HCA HCA Healthcare, Inc. -3,719 -100.0% $1.45M Exited
WDC Western Digital Corp -379 -100.0% $242.21K Exited
QCOM Qualcomm Inc -1,149 -100.0% $212.27K Exited
MRVL Marvell Technology, Inc. -700 -100.0% $208.41K Exited
LHX L3Harris Technologies, Inc. -717 -100.0% $208.40K Exited
BKNG Booking Holdings Inc. -1,168 -100.0% $208.18K Exited
CEG Constellation Energy Corp -835 -100.0% $207.28K Exited
EXPE Expedia Group, Inc. -647 -32.8% $170.39K 0.148%
ACVA ACV Auctions Inc. -22.5K -100.0% $161.78K Exited
BA Boeing Co -861 -18.4% $160.17K 0.3%

New Positions

Q3 2026
Holding Shares Trade Value Weight
PKE Park Aerospace Corp +422.3K $12.54M 5.31%
NEE Nextera Energy Inc +5,776 $437.49K 0.185%
TXG 10x Genomics, Inc. +3,500 $316.26K 0.134%
ADP Automatic Data Processing Inc +1,084 $281.46K 0.119%
ANET Arista Networks, Inc. +1,168 $237.89K 0.101%
REGN Regeneron Pharmaceuticals, Inc. +309 $234.32K 0.099%
UNP Union Pacific Corp +828 $225.23K 0.095%
AME Ametek Inc/ +901 $223.10K 0.094%
WFC Wells Fargo & Company +2,710 $216.97K 0.092%
BLK BlackRock, Inc. +191 $202.51K 0.086%

Closed Positions

Q3 2026
Holding Shares Sold Trade Value Prior Weight
HCA HCA Healthcare, Inc. -3,719 $1.45M 0.719%
WDC Western Digital Corp -379 $242.21K 0.12%
QCOM Qualcomm Inc -1,149 $212.27K 0.105%
MRVL Marvell Technology, Inc. -700 $208.41K 0.103%
LHX L3Harris Technologies, Inc. -717 $208.40K 0.103%
BKNG Booking Holdings Inc. -1,168 $208.18K 0.103%
CEG Constellation Energy Corp -835 $207.28K 0.103%
ACVA ACV Auctions Inc. -22.5K $161.78K 0.08%
WIT Wipro Ltd -11.7K $26.41K 0.013%
MVIS Microvision, Inc. -3,873 $19.00K <0.01%
Holdings · Q3 2026

120 Positions

As ofSep 30, 2026
Value$236.14M
Top 1062.4%
Avg position$1.97M
# Activity
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Showing 1–15 of 120 positions 13F filings on SEC EDGAR

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About Winthrop Advisory Group LLC’s 13F Portfolio

What are Winthrop Advisory Group LLC’s largest holdings?

As of its Q3 2026 13F filing, Winthrop Advisory Group LLC’s five largest positions were Apple Inc. (AAPL) at 24.2%, Microsoft Corp (MSFT) at 9.2%, Amazon Com Inc (AMZN) at 5.4%, Park Aerospace Corp (PKE) at 5.3%, Nvidia Corp (NVDA) at 4.1% of the reported portfolio.

How much is Winthrop Advisory Group LLC’s portfolio worth?

Winthrop Advisory Group LLC reported a 13F portfolio worth $236.14M across 120 positions for Q3 2026. That is up 17.1% from the previous quarter.

What did Winthrop Advisory Group LLC buy in Q3 2026?

Its largest purchases by value were Park Aerospace Corp ($12.54M), Apple Inc. ($6.04M), Johnson & Johnson ($816.98K). It opened 11 new positions.

What did Winthrop Advisory Group LLC sell in Q3 2026?

Its largest sales by value were HCA Healthcare, Inc. ($1.45M), Western Digital Corp ($242.21K), Qualcomm Inc ($212.27K). It exited 10 positions entirely.

Where does this data come from?

From the Form 13F-HR reports Winthrop Advisory Group LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

Similar-Sized Institutions

by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.