Susquehanna International Group’s Research Frontiers REFR Stock Holding History

Susquehanna International Group’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	$13.5K	Sell	15,000 -600	-4%	-$657	﹤0.01%	12908
2025 Q4	$20.4K	Buy	+15,600	New	+$26.3K	﹤0.01%	11955
2023 Q2	–	Sell	-39,000	Closed	-$66.7K	–	12953
2023 Q1	$66.7K	Buy	39,000 +28,700	+279%	+$56.7K	﹤0.01%	11553
2022 Q4	$19.7K	Sell	10,300 -47,500	-82%	-$108K	﹤0.01%	11773
2022 Q3	$123K	Buy	57,800 +39,200	+211%	+$80.1K	﹤0.01%	11494
2022 Q2	$32K	Buy	+18,600	New	+$33.7K	﹤0.01%	12191
2021 Q4	–	Sell	-19,400	Closed	-$50K	–	13767
2021 Q3	$50K	Sell	19,400 -400	-2%	-$924	﹤0.01%	12349
2021 Q2	$47K	Sell	19,800 -28,900	-59%	-$72K	﹤0.01%	12318
2021 Q1	$138K	Buy	48,700 +30,700	+171%	+$119K	﹤0.01%	11703
2020 Q4	$51K	Buy	18,000 +2,100	+13%	+$5.93K	﹤0.01%	10747
2020 Q3	$43K	Sell	15,900 -55,900	-78%	-$162K	﹤0.01%	10241
2020 Q2	$292K	Buy	71,800 +32,000	+80%	+$119K	﹤0.01%	8406
2020 Q1	$93K	Buy	39,800 +20,000	+101%	+$64K	﹤0.01%	9369
2019 Q4	$60K	Buy	19,800 +5,800	+41%	+$18.6K	﹤0.01%	9300
2019 Q3	$45K	Sell	14,000 -15,000	-52%	-$57K	﹤0.01%	9806
2019 Q2	$97K	Sell	29,000 -31,500	-52%	-$89.2K	﹤0.01%	9613
2019 Q1	$131K	Buy	+60,500	New	+$140K	﹤0.01%	8135
2016 Q3	–	Sell	-23,700	Closed	-$87K	–	8915
2016 Q2	$87K	Sell	23,700 -17,100	-42%	-$71.9K	﹤0.01%	8085
2016 Q1	$186K	Buy	40,800 +26,400	+183%	+$118K	﹤0.01%	8026
2015 Q4	$75K	Buy	+14,400	New	+$72.3K	﹤0.01%	8983
2015 Q3	–	Sell	-26,000	Closed	-$139K	–	10065
2015 Q2	$139K	Buy	+26,000	New	+$153K	﹤0.01%	9529
2015 Q1	–	Sell	-20,400	Closed	-$104K	–	9847
2014 Q4	$104K	Buy	20,400 +900	+5%	+$4.56K	﹤0.01%	9171
2014 Q3	$112K	Buy	+19,500	New	+$103K	﹤0.01%	9036
2014 Q2	–	Sell	-46,500	Closed	-$241K	–	10039
2014 Q1	$241K	Sell	46,500 -6,300	-12%	-$39.9K	﹤0.01%	7948
2013 Q4	$305K	Buy	+52,800	New	+$287K	﹤0.01%	7553

Other funds holding REFR

MOS

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

SRC

Shufro Rose & Co New York $1.47B AUM 19.38% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Susquehanna International Group's REFR Position: Q1 2026 in Review

Susquehanna International Group increased its Research Frontiers (REFR) stake by 27% in Q1 2026, buying an estimated $37K and bringing the position to 156,786 shares worth $141K. The position accounts for ﹤0.01% of the portfolio, ranked #12073.

Susquehanna International Group first reported a position in REFR in Q2 2013 and has held it in 35 quarters since. The position peaked at $388K in Q3 2021. 35 funds tracked by Wall St. Rank hold REFR as of Q1 2026.

Susquehanna International Group held 156,786 shares of Research Frontiers worth $141K as of Q1 2026.
Susquehanna International Group bought 33,784 Research Frontiers shares in Q1 2026, an estimated $37K.
Research Frontiers made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #12073 holding.
Susquehanna International Group first reported a position in Research Frontiers in Q2 2013 and has held it in 35 quarters since.
Susquehanna International Group's Research Frontiers position peaked at $388K in Q3 2021.
35 funds tracked by Wall St. Rank held Research Frontiers as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.