Chapin Davis’s ProPhase Labs PRPH Stock Holding History

Chapin Davis’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	-8,000	Closed	-$36.6K	–	253
2025 Q3	$36.6K	Hold	8,000	–	–	0.01%	245
2025 Q2	$31.3K	Hold	8,000	–	–	0.01%	229
2025 Q1	$32.3K	Buy	8,000 +3,000	+60%	+$13.8K	0.01%	221
2024 Q4	$121K	Hold	5,000	–	–	0.04%	224
2024 Q3	$121K	Buy	5,000 +1,000	+25%	+$28.2K	0.04%	225
2024 Q2	$167K	Hold	4,000	–	–	0.06%	216
2024 Q1	$259K	Hold	4,000	–	–	0.09%	183
2023 Q4	$181K	Hold	4,000	–	–	0.08%	201
2023 Q3	$175K	Buy	4,000 +1,000	+33%	+$58.6K	0.08%	181
2023 Q2	$218K	Hold	3,000	–	–	0.1%	186
2023 Q1	$229K	Buy	+3,000	New	+$242K	0.12%	177

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

Chapin Davis's PRPH Position: Q4 2025 in Review

Chapin Davis sold out of ProPhase Labs (PRPH) in Q4 2025, closing a stake of 8,000 shares — an estimated $36.6K sold.

Chapin Davis first reported a position in PRPH in Q1 2023 and held it in 11 quarters. The position peaked at $259K in Q1 2024. 17 funds tracked by Wall St. Rank hold PRPH as of Q4 2025.

Chapin Davis reported no remaining ProPhase Labs position as of Q4 2025 after selling out during the quarter.
Chapin Davis sold 8,000 ProPhase Labs shares in Q4 2025, an estimated $36.6K.
Chapin Davis first reported a position in ProPhase Labs in Q1 2023 and held it in 11 quarters.
Chapin Davis's ProPhase Labs position peaked at $259K in Q1 2024.
17 funds tracked by Wall St. Rank held ProPhase Labs as of Q4 2025.

Based on Chapin Davis's 13F filing for Q4 2025, filed 30 Jan 2026.