DOSSIER · 13F-HR · Q3 2026

Winthrop Advisory Group LLC

$1.6B in tracked AUM across 335 positions as of Q3 2026.

WA
CIK 0001739043 · last filed Sep 30, 2026
Total AUM
$1.6B
as of Q3 2026
Holdings
335
—
positions
Whale Score
64
64
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026
Comprehensive Analysis of Winthrop Advisory Group LLC SEC 13F Filing
1. Portfolio Overview

Winthrop Advisory Group LLC has reported a substantial expansion in assets under management, with the total portfolio value surging by 349.8% from approximately $262.33 million to $1.18 billion quarter-over-quarter. This dramatic increase suggests significant capital inflows, the acquisition of a new client mandate, or a strategic consolidation of assets. The portfolio consists of **275 ...

2. Key Holdings

The portfolio is dominated by large-cap, passive index funds designed to track the broader U.S. equity market. The top ten positions account for roughly 64% of the total portfolio value, demonstrating a "core-satellite" approach where a few large core funds drive performance.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q3 2026. Methodology

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026.

#HoldingValueSharesWeight
01
ITOT
ISHARES TR
$174M1.0M10.8%
02
IVV
ISHARES TR
$153M200K9.5%
03
ACWX
ISHARES TR
$108M1.4M6.7%
04
IWB
ISHARES TR
$102M245K6.3%
05
QQQ
INVESCO QQQ TR
$93M125K5.7%
06
SCHB
SCHWAB STRATEGIC TR
$74M2.5M4.6%
07
VTI
VANGUARD INDEX FDS
$73M194K4.5%
08
ICSH
ISHARES TR
$69M1.4M4.3%
09
VTEB
VANGUARD MUN BD FDS
$62M1.3M3.9%
10
AAPL
APPLE INC
$57M172K3.5%

Filing history

2026Q3Sep 30
$1.6B▲ 8.6%
335 positionsView →
2026Q2Jun 30
$1.5B▲ 21.3%
331 positionsView →
2026Q1Mar 31
$1.2B▲ 3.7%
283 positionsView →
2025Q4Dec 31
$1.2B▲ 3.2%
275 positionsView →
2025Q3Sep 30
$1.1B▲ 10.3%
191 positionsLocked
2025Q2Jun 30
$1.0B▲ 24.6%
181 positionsLocked
2025Q1Mar 31
$832M▼ 0.2%
156 positionsLocked
2024Q4Dec 31
$833M▲ 3.0%
156 positionsLocked
2024Q3Sep 30
$809M▲ 10.0%
153 positionsLocked
2024Q2Jun 30
$736M▲ 6.4%
145 positionsLocked
2024Q1Mar 31
$691M▲ 8.0%
141 positionsLocked
2023Q4Dec 31
$640M▲ 5.1%
140 positionsLocked
Showing 12 of 34