MASSMUTUAL TRUST CO FSB ADV
Q3 2026 Form 13-F

WINDSOR, CONNECTICUT
CIK 0001103653 · Institutional investment manager
$3.8B Reported Value Total
Reported value
$3.8B
Quarter over quarter
+1.6%
Holdings
2,355
Top-10 concentration
32.7%

Filing Structure

Reports holdings for

Key People

Named on the latest Form 13-F filing — not necessarily an owner
Daken Vanderburg
Chief Investment Officer

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Q3 2026 13F record

Q3 2026 13F filing summary

Q3 2026 Form 13F portfolio summary
Period of report September 30, 2026
Filed October 05, 2026
Form 13F-HR
Reported value $3.8B
Positions 2,355
Change in reported value -2.0%
New positions 125
Exited positions 179
Position turnover 12.0%
Top-10 concentration 32.7%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q3 2026 13F
Filed Oct 5, 2026
2,355 $3.8B
Q2 2026 13F
Filed Jul 2, 2026
2,395 $3.9B
Q1 2026 13F
Filed Apr 13, 2026
2,388 $3.7B
Q4 2025 13F
Filed Jan 7, 2026
2,362 $3.9B
Q3 2025 13F
Filed Oct 22, 2025
2,363 $3.9B
Q2 2025 13F
Filed Jul 9, 2025
2,345 $3.8B
Q1 2025 13F
Filed Apr 1, 2025
2,356 $3.5B
Q4 2024 13F
Filed Jan 16, 2025
2,304 $3.6B
Q3 2024 13F
Filed Oct 2, 2024
2,133 $3.5B
Q2 2024 13F
Filed Jul 2, 2024
2,128 $3.3B
Q1 2024 13F
Filed Apr 9, 2024
2,040 $3.2B
Q4 2023 13F
Filed Jan 3, 2024
1,950 $3.0B
Q3 2023 13F
Filed Oct 4, 2023
1,962 $2.7B
Q2 2023 13F
Filed Aug 2, 2023
1,898 $2.8B
Q1 2023 13F
Filed Apr 11, 2023
1,797 $2.6B
Q4 2022 13F
Filed Jan 6, 2023
1,377 $2.4B
Q3 2022 13F
Filed Oct 7, 2022
1,331 $2.2B
Q2 2022 13F
Filed Jul 7, 2022
1,236 $2.3B
Q1 2022 13F
Filed Apr 8, 2022
1,240 $2.6B
Q4 2021 13F
Filed Feb 9, 2022
1,149 $2.7B

31 earlier quarters on file — choose one from the quarter menu above.

Top 20 holdings · Q3 2026

Largest Q3 2026 13F positions by reported value
# Holding Reported value % of portfolio
1 AAPL Apple Inc $204.1M 5.38%
2 NVDA NVIDIA Corp $201.3M 5.31%
3 MSFT Microsoft Corp $181.4M 4.79%
4 VO Vanguard Morningstar Mid-Cap ETF $131.2M 3.46%
5 VEA Vanguard FTSE Developed Markets ETF $104.7M 2.76%
6 AMZN Amazon.com Inc $101.7M 2.68%
7 GOOGL Alphabet Inc $90.8M 2.4%
8 JPM JPMorgan Chase & Co $83.3M 2.2%
9 AVGO Broadcom INC $71.3M 1.88%
10 META Meta Platforms Inc $71.1M 1.88%
11 GOOG Alphabet Inc $70.3M 1.85%
12 EFA iShares MSCI EAFE ETF $59.0M 1.56%
13 DFAS Dimensional US Small Cap ETF $54.1M 1.43%
14 CVX Chevron Corp $53.3M 1.41%
15 CSCO Cisco Systems Inc $51.9M 1.37%
16 V Visa Inc $50.0M 1.32%
17 BRK-B Berkshire Hathaway Inc $47.1M 1.24%
18 IJH iShares Core S&P Mid-Cap ETF $45.4M 1.2%
19 JNJ Johnson & Johnson $45.3M 1.19%
20 VGT Vanguard Information Technology ETF $43.6M 1.15%

Values as reported on the Q3 2026 Form 13F. Every position is in the holdings table below.

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