RENAISSANCE TECHNOLOGIES LLC

Position in REFR — Research Frontiers Inc

CIK 1037389 NEW YORK, NY

Position in REFR

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$21,210

-$41,626 QoQ

Shares Held

40,789

-40.3% QoQ

Ownership

0.117%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#11

of 34 holders

Holding Since

Mar 2021

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $522,370,175 across 29 Electronic Components names. REFR ranks #28 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BELFA	Bel Fuse Inc /Nj	273,294	$88,277,062
2	CLS	Celestica Inc	221,768	$80,900,966
3	TEL	TE Connectivity plc	357,000	$71,974,770
4	RAL	Ralliant Corp	829,602	$61,083,595
5	OUST	Ouster, Inc.	575,900	$36,005,268
6	SANM	Sanmina Corp	138,033	$34,933,391
7	OLED	Universal Display Corp Pa	254,839	$22,066,509
8	CTS	Cts Corp	311,342	$20,296,384

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$21,210	40,789	-40.3%	Shares	Sole	2026-08-13
2026-03-31	$62,836	68,300	-12.8%	Shares	Sole	2026-05-14
2025-12-31	$102,549	78,282	-11.1%	Shares	Sole	2026-02-12
2025-09-30	$140,079	88,100	+1.6%	Shares	Sole	2025-11-13
2025-06-30	$142,188	86,700	-13.7%	Shares	Sole	2025-08-13
2025-03-31	$113,565	100,500	+2.5%	Shares	Sole	2025-05-14
2024-12-31	$167,697	98,069	+34.2%	Shares	Sole	2025-02-13
2024-09-30	$160,089	73,100	-12.8%	Shares	Sole	2024-11-13
2024-06-30	$154,192	83,800	+8.6%	Shares	Sole	2024-08-09
2024-03-31	$100,287	77,144	-18.3%	Shares	Sole	2024-05-13
2023-12-31	$95,344	94,400	+295.0%	Shares	Sole	2024-02-13
2023-09-30	$25,812	23,900	-17.6%	Shares	Sole	2023-11-14
2023-06-30	$46,400	29,000	-39.9%	Shares	Sole	2023-08-11
2021-06-30	$114,267	48,214	+142.4%	Shares	Sole	2021-08-13
2021-03-31	$56,484	19,889	—	Shares	Sole	2021-05-13
No filing history on record for this holder in this stock.