Research Frontiers Inc

SUSQUEHANNA INTERNATIONAL GROUP, LLP REFR

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

123,002

Value ($000)

161

Weight

0.0%

2014 Q1 - 2025 Q4 (21 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	161	0.0%	123,002	12/31/2025
2025 Q3	11/14/2025	146	0.0%	91,876	9/30/2025
2025 Q2	8/14/2025	211	0.0%	130,308	6/30/2025
2025 Q1	5/14/2025	136	0.0%	120,620	3/31/2025
2024 Q4	2/14/2025	146	0.0%	85,289	12/31/2024
2024 Q3	11/14/2024	120	0.0%	54,584	9/30/2024
2024 Q2	8/15/2024	79	0.0%	42,725	6/30/2024
2023 Q4	2/14/2024	26	0.0%	26,185	12/31/2023
2023 Q3	11/14/2023	11	0.0%	10,495	9/30/2023
2023 Q2	8/11/2023	36	0.0%	22,356	6/30/2023
2022 Q1	5/16/2022	70	0.0%	36,379	3/31/2022
2021 Q4	2/14/2022	180	0.0%	104,698	12/31/2021
2021 Q3	11/15/2021	388	0.0%	151,491	9/30/2021
2021 Q2	8/11/2021	240	0.0%	101,291	6/30/2021
2021 Q1	5/17/2021	342	0.0%	120,405	3/31/2021
2020 Q4	2/16/2021	61	0.0%	21,767	12/31/2020
2020 Q3	11/16/2020	227	0.0%	84,148	9/30/2020
2020 Q2	8/14/2020	191	0.0%	47,123	6/30/2020
2020 Q1	5/15/2020	126	0.0%	53,621	3/31/2020
2019 Q4	2/14/2020	161	0.0%	53,563	12/31/2019
2014 Q1	5/14/2014	234	0.0%	45,102	3/31/2014