Charles Schwab’s Research Frontiers REFR Stock Holding History

Charles Schwab’s Portfolio REFR Stock Details REFR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-21,870	Closed	-$28.6K	–	3506
2025 Q4	$28.6K	Hold	21,870	–	–	﹤0.01%	3446
2025 Q3	$34.8K	Hold	21,870	–	–	﹤0.01%	3442
2025 Q2	$35.4K	Hold	21,870	–	–	﹤0.01%	3471
2025 Q1	$24.7K	Hold	21,870	–	–	﹤0.01%	3450
2024 Q4	$37.4K	Hold	21,870	–	–	﹤0.01%	3456
2024 Q3	$47.9K	Hold	21,870	–	–	﹤0.01%	3416
2024 Q2	$40.2K	Hold	21,870	–	–	﹤0.01%	3531
2024 Q1	$28.4K	Hold	21,870	–	–	﹤0.01%	3418
2023 Q4	$22.1K	Hold	21,870	–	–	﹤0.01%	3475
2023 Q3	$23.6K	Hold	21,870	–	–	﹤0.01%	3495
2023 Q2	$35K	Hold	21,870	–	–	﹤0.01%	3475
2023 Q1	$37.4K	Hold	21,870	–	–	﹤0.01%	3399
2022 Q4	$42K	Hold	21,870	–	–	﹤0.01%	3395
2022 Q3	$47K	Buy	+21,870	New	+$44.7K	﹤0.01%	3343
2021 Q2	–	Sell	-57,115	Closed	-$163K	–	3517
2021 Q1	$163K	Sell	57,115 -14,470	-20%	-$56.1K	﹤0.01%	3341
2020 Q4	$202K	Hold	71,585	–	–	﹤0.01%	3258
2020 Q3	$194K	Hold	71,585	–	–	﹤0.01%	3184
2020 Q2	$291K	Buy	+71,585	New	+$266K	﹤0.01%	3063

Other funds holding REFR

MOS

MGO One Seven Beachwood, Ohio $6.06B AUM 28.9% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Focus Partners Wealth Boston, Massachusetts $97.6B AUM 29.43% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

SRC

Shufro Rose & Co New York $1.74B AUM 34.09% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Charles Schwab's REFR Position: Q1 2026 in Review

Charles Schwab sold out of Research Frontiers (REFR) in Q1 2026, closing a stake of 21,870 shares — an estimated $28.6K sold.

Charles Schwab first reported a position in REFR in Q2 2020 and held it in 18 quarters. The position peaked at $291K in Q2 2020. 35 funds tracked by Wall St. Rank hold REFR as of Q1 2026.

Charles Schwab reported no remaining Research Frontiers position as of Q1 2026 after selling out during the quarter.
Charles Schwab sold 21,870 Research Frontiers shares in Q1 2026, an estimated $28.6K.
Charles Schwab first reported a position in Research Frontiers in Q2 2020 and held it in 18 quarters.
Charles Schwab's Research Frontiers position peaked at $291K in Q2 2020.
35 funds tracked by Wall St. Rank held Research Frontiers as of Q1 2026.

Based on Charles Schwab's 13F filing for Q1 2026, filed 15 May 2026.