Main Street Research’s Vanguard S&P 500 ETF VOO Stock Holding History

Main Street Research’s Portfolio VOO Stock Details VOO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$759K	Sell	1,104 -228	-17%	-$152K	0.04%	76
2026 Q1	$796K	Buy	1,332 +819	+160%	+$512K	0.05%	67
2025 Q4	$322K	Sell	513 -544	-51%	-$338K	0.02%	98
2025 Q3	$647K	Buy	1,057 +466	+79%	+$275K	0.04%	70
2025 Q2	$337K	Sell	591 -181	-23%	-$95.1K	0.02%	91
2025 Q1	$397K	Sell	772 -700	-48%	-$378K	0.03%	77
2024 Q4	$793K	Buy	1,472 +504	+52%	+$273K	0.05%	64
2024 Q3	$512K	Sell	968 -4	-0.4%	-$2.03K	0.03%	70
2024 Q2	$488K	Buy	972 +28	+3%	+$13.5K	0.03%	64
2024 Q1	$454K	Sell	944 -4	-0.4%	-$1.83K	0.03%	69
2023 Q4	$414K	Sell	948 -35	-4%	-$14.3K	0.03%	73
2023 Q3	$387K	Buy	983 +69	+8%	+$28.2K	0.04%	73
2023 Q2	$374K	Buy	+914	New	+$353K	0.06%	73
2022 Q2	–	Sell	-627	Closed	-$260K	–	122
2022 Q1	$260K	Buy	627 +135	+27%	+$55.3K	0.02%	102
2021 Q4	$215K	Buy	+492	New	+$208K	0.02%	133

Other funds holding VOO

Vanguard Global Advisers Malvern, Pennsylvania $215B AUM

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

California Public Employees Retirement System Sacramento, California $177B AUM 39.86% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

Acorns Advisers Irvine, California $15.3B AUM 18.32% 1-Year Est. Return

Main Street Research's VOO Position: Q2 2026 in Review

Main Street Research reduced its Vanguard S&P 500 ETF (VOO) stake by 17% in Q2 2026, selling an estimated $152K and leaving 1,104 shares worth $759K. The position accounts for 0.04% of the portfolio, ranked #76.

Main Street Research first reported a position in VOO in Q4 2021 and has held it in 15 quarters since. The position peaked at $796K in Q1 2026. 4,011 funds tracked by Wall St. Rank hold VOO as of Q2 2026.

Main Street Research held 1,104 shares of Vanguard S&P 500 ETF worth $759K as of Q2 2026.
Main Street Research sold 228 Vanguard S&P 500 ETF shares in Q2 2026, an estimated $152K.
Vanguard S&P 500 ETF made up 0.04% of Main Street Research's portfolio in Q2 2026, its #76 holding.
Main Street Research first reported a position in Vanguard S&P 500 ETF in Q4 2021 and has held it in 15 quarters since.
Main Street Research's Vanguard S&P 500 ETF position peaked at $796K in Q1 2026.
4,011 funds tracked by Wall St. Rank held Vanguard S&P 500 ETF as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.