Northern Trust’s ProPhase Labs PRPH Stock Holding History

Northern Trust’s Portfolio PRPH Stock Details PRPH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-2,321	Closed	-$10.6K	–	4529
2025 Q3	$10.6K	Hold	2,321	–	–	﹤0.01%	4405
2025 Q2	$9.08K	Hold	2,321	–	–	﹤0.01%	4377
2025 Q1	$9.38K	Sell	2,321 -1,352	-37%	-$6.21K	﹤0.01%	4391
2024 Q4	$27.8K	Sell	3,673 -477	-11%	-$6.69K	﹤0.01%	4343
2024 Q3	$100K	Sell	4,150 -30	-0.7%	-$845	﹤0.01%	4055
2024 Q2	$175K	Sell	4,180 -120	-3%	-$6.29K	﹤0.01%	3900
2024 Q1	$278K	Sell	4,300 -296	-6%	-$15K	﹤0.01%	3769
2023 Q4	$208K	Buy	4,596 +2,254	+96%	+$103K	﹤0.01%	3888
2023 Q3	$102K	Sell	2,342 -20	-0.8%	-$1.17K	﹤0.01%	4010
2023 Q2	$171K	Sell	2,362 -7	-0.3%	-$570	﹤0.01%	3883
2023 Q1	$180K	Buy	2,369 +158	+7%	+$12.7K	﹤0.01%	3900
2022 Q4	$213K	Hold	2,211	–	–	﹤0.01%	3840
2022 Q3	$249K	Buy	2,211 +366	+20%	+$42.6K	﹤0.01%	3770
2022 Q2	$234K	Sell	1,845 -42	-2%	-$3.69K	﹤0.01%	3843
2022 Q1	$132K	Hold	1,887	–	–	﹤0.01%	4263
2021 Q4	$135K	Hold	1,887	–	–	﹤0.01%	4330
2021 Q3	$98K	Sell	1,887 -98	-5%	-$5.84K	﹤0.01%	4404
2021 Q2	$123K	Sell	1,985 -1,494	-43%	-$83.9K	﹤0.01%	4313
2021 Q1	$257K	Sell	3,479 -1,169	-25%	-$112K	﹤0.01%	4024
2020 Q4	$426K	Buy	4,648 +587	+14%	+$49.2K	﹤0.01%	3760
2020 Q3	$141K	Sell	4,061 -59	-1%	-$1.41K	﹤0.01%	3884
2020 Q2	$59K	Hold	4,120	–	–	﹤0.01%	4027
2020 Q1	$78K	Hold	4,120	–	–	﹤0.01%	3869
2019 Q4	$81K	Sell	4,120 -1	-0%	-$20	﹤0.01%	3970
2019 Q3	$79K	Hold	4,121	–	–	﹤0.01%	3965
2019 Q2	$89K	Hold	4,121	–	–	﹤0.01%	3992
2019 Q1	$124K	Buy	4,121 +43	+1%	+$1.32K	﹤0.01%	3875
2018 Q4	$128K	Sell	4,078 -56	-1%	-$1.7K	﹤0.01%	3874
2018 Q3	$124K	Hold	4,134	–	–	﹤0.01%	3985
2018 Q2	$134K	Sell	4,134 -331	-7%	-$11K	﹤0.01%	3956
2018 Q1	$132K	Buy	4,465 +2,951	+195%	+$75K	﹤0.01%	3911
2017 Q4	$33K	Sell	1,514 -70	-4%	-$1.53K	﹤0.01%	4115
2017 Q3	$34K	Hold	1,584	–	–	﹤0.01%	4104
2017 Q2	$33K	Buy	1,584 +188	+13%	+$3.77K	﹤0.01%	4128
2017 Q1	$32K	Hold	1,396	–	–	﹤0.01%	4103
2016 Q4	$28K	Buy	1,396 +12	+0.9%	+$242	﹤0.01%	4071
2016 Q3	$27K	Hold	1,384	–	–	﹤0.01%	4079
2016 Q2	$18K	Hold	1,384	–	–	﹤0.01%	4127
2016 Q1	$19K	Hold	1,384	–	–	﹤0.01%	4138
2015 Q4	$21K	Hold	1,384	–	–	﹤0.01%	4168
2015 Q3	$22K	Buy	+1,384	New	+$20.8K	﹤0.01%	4175
2015 Q2	–	Sell	-1,085	Closed	-$14K	–	4277
2015 Q1	$14K	Sell	1,085 -74	-6%	-$1.09K	﹤0.01%	4245
2014 Q4	$17K	Hold	1,159	–	–	﹤0.01%	4187
2014 Q3	$16K	Hold	1,159	–	–	﹤0.01%	4223
2014 Q2	$19K	Hold	1,159	–	–	﹤0.01%	4180
2014 Q1	$23K	Buy	+1,159	New	+$22K	﹤0.01%	4110

Other funds holding PRPH

Sykon Capital Harrison, New York $325M AUM 19.22% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

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

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

CoreCap Advisors Southfield, Michigan $3.39B AUM 31.21% 1-Year Est. Return

Northern Trust's PRPH Position: Q4 2025 in Review

Northern Trust sold out of ProPhase Labs (PRPH) in Q4 2025, closing a stake of 2,321 shares — an estimated $10.6K sold.

Northern Trust first reported a position in PRPH in Q1 2014 and held it in 46 quarters. The position peaked at $426K in Q4 2020. 17 funds tracked by Wall St. Rank hold PRPH as of Q4 2025.

Northern Trust reported no remaining ProPhase Labs position as of Q4 2025 after selling out during the quarter.
Northern Trust sold 2,321 ProPhase Labs shares in Q4 2025, an estimated $10.6K.
Northern Trust first reported a position in ProPhase Labs in Q1 2014 and held it in 46 quarters.
Northern Trust's ProPhase Labs position peaked at $426K in Q4 2020.
17 funds tracked by Wall St. Rank held ProPhase Labs as of Q4 2025.

Based on Northern Trust's 13F filing for Q4 2025, filed 17 Feb 2026.