Northern Trust’s Research Frontiers REFR Stock Holding History

Northern Trust’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	$48.4K	Hold	52,630	–	–	﹤0.01%	4251
2025 Q4	$68.9K	Buy	52,630 +736	+1%	+$1.24K	﹤0.01%	4218
2025 Q3	$82.5K	Hold	51,894	–	–	﹤0.01%	4177
2025 Q2	$85.1K	Hold	51,894	–	–	﹤0.01%	4143
2025 Q1	$58.6K	Hold	51,894	–	–	﹤0.01%	4210
2024 Q4	$88.7K	Sell	51,894 -1,227	-2%	-$2.4K	﹤0.01%	4177
2024 Q3	$116K	Sell	53,121 -772	-1%	-$1.6K	﹤0.01%	4014
2024 Q2	$99.2K	Sell	53,893 -111	-0.2%	-$194	﹤0.01%	4057
2024 Q1	$70.2K	Hold	54,004	–	–	﹤0.01%	4168
2023 Q4	$54.5K	Sell	54,004 -3,274	-6%	-$3.4K	﹤0.01%	4223
2023 Q3	$61.9K	Hold	57,278	–	–	﹤0.01%	4122
2023 Q2	$91.6K	Sell	57,278 -180	-0.3%	-$291	﹤0.01%	4059
2023 Q1	$98.3K	Buy	57,458 +4,276	+8%	+$8.45K	﹤0.01%	4090
2022 Q4	$102K	Hold	53,182	–	–	﹤0.01%	4086
2022 Q3	$113K	Hold	53,182	–	–	﹤0.01%	4075
2022 Q2	$93K	Sell	53,182 -3,049	-5%	-$5.52K	﹤0.01%	4202
2022 Q1	$108K	Hold	56,231	–	–	﹤0.01%	4322
2021 Q4	$97K	Sell	56,231 -117	-0.2%	-$251	﹤0.01%	4434
2021 Q3	$144K	Hold	56,348	–	–	﹤0.01%	4303
2021 Q2	$134K	Sell	56,348 -229,678	-80%	-$572K	﹤0.01%	4285
2021 Q1	$813K	Sell	286,026 -25,287	-8%	-$98.1K	﹤0.01%	3663
2020 Q4	$875K	Buy	311,313 +1,893	+0.6%	+$5.34K	﹤0.01%	3561
2020 Q3	$835K	Buy	309,420 +196,147	+173%	+$568K	﹤0.01%	3464
2020 Q2	$461K	Buy	113,273 +53,281	+89%	+$198K	﹤0.01%	3572
2020 Q1	$141K	Sell	59,992 -337	-0.6%	-$1.08K	﹤0.01%	3755
2019 Q4	$182K	Buy	60,329 +4,670	+8%	+$15K	﹤0.01%	3810
2019 Q3	$178K	Buy	55,659 +16,744	+43%	+$63.6K	﹤0.01%	3794
2019 Q2	$129K	Sell	38,915 -2,215	-5%	-$6.28K	﹤0.01%	3918
2019 Q1	$89K	Hold	41,130	–	–	﹤0.01%	3942
2018 Q4	$65K	Sell	41,130 -2,259	-5%	-$3.29K	﹤0.01%	4002
2018 Q3	$68K	Hold	43,389	–	–	﹤0.01%	4087
2018 Q2	$36K	Hold	43,389	–	–	﹤0.01%	4159
2018 Q1	$43K	Hold	43,389	–	–	﹤0.01%	4098
2017 Q4	$45K	Hold	43,389	–	–	﹤0.01%	4085
2017 Q3	$52K	Hold	43,389	–	–	﹤0.01%	4058
2017 Q2	$56K	Hold	43,389	–	–	﹤0.01%	4065
2017 Q1	$61K	Buy	43,389 +3,394	+8%	+$5.84K	﹤0.01%	4037
2016 Q4	$73K	Buy	39,995 +1,259	+3%	+$2.61K	﹤0.01%	3962
2016 Q3	$101K	Buy	38,736 +49	+0.1%	+$154	﹤0.01%	3894
2016 Q2	$141K	Buy	38,687 +5,820	+18%	+$24.5K	﹤0.01%	3798
2016 Q1	$150K	Hold	32,867	–	–	﹤0.01%	3816
2015 Q4	$172K	Hold	32,867	–	–	﹤0.01%	3810
2015 Q3	$166K	Buy	32,867 +905	+3%	+$4.8K	﹤0.01%	3802
2015 Q2	$171K	Sell	31,962 -4,970	-13%	-$29.3K	﹤0.01%	3811
2015 Q1	$225K	Sell	36,932 -3,173	-8%	-$16.5K	﹤0.01%	3826
2014 Q4	$205K	Hold	40,105	–	–	﹤0.01%	3808
2014 Q3	$231K	Sell	40,105 -119	-0.3%	-$626	﹤0.01%	3790
2014 Q2	$244K	Sell	40,224 -194	-0.5%	-$1.03K	﹤0.01%	3804
2014 Q1	$210K	Buy	40,418 +378	+0.9%	+$2.39K	﹤0.01%	3769
2013 Q4	$232K	Sell	40,040 -3,084	-7%	-$16.8K	﹤0.01%	3685
2013 Q3	$183K	Sell	43,124 -1,090	-2%	-$4.54K	﹤0.01%	3681
2013 Q2	$176K	Buy	+44,214	New	+$175K	﹤0.01%	3688

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

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

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's REFR Position: Q1 2026 in Review

Northern Trust held its Research Frontiers (REFR) position steady in Q1 2026 at 52,630 shares worth $48.4K. The position accounts for ﹤0.01% of the portfolio, ranked #4251.

Northern Trust first reported a position in REFR in Q2 2013 and has held it in 52 quarters since. The position peaked at $875K in Q4 2020. 35 funds tracked by Wall St. Rank hold REFR as of Q1 2026.

Northern Trust held 52,630 shares of Research Frontiers worth $48.4K as of Q1 2026.
Northern Trust left its Research Frontiers share count unchanged in Q1 2026.
Research Frontiers made up ﹤0.01% of Northern Trust's portfolio in Q1 2026, its #4251 holding.
Northern Trust first reported a position in Research Frontiers in Q2 2013 and has held it in 52 quarters since.
Northern Trust's Research Frontiers position peaked at $875K in Q4 2020.
35 funds tracked by Wall St. Rank held Research Frontiers as of Q1 2026.

Based on Northern Trust's 13F filing for Q1 2026, filed 14 May 2026.