Westmount Partners’s Opko Health OPK Stock Holding History

Westmount Partners’s Portfolio OPK Stock Details OPK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$27.8K	Hold	18,550	–	–	0.01%	273
2026 Q1	$21.1K	Hold	18,550	–	–	0.01%	262
2025 Q4	$23.4K	Buy	18,550 +2,000	+12%	+$2.78K	0.01%	245
2025 Q3	$25.7K	Hold	16,550	–	–	0.01%	243
2025 Q2	$21.8K	Hold	16,550	–	–	0.01%	245
2025 Q1	$27.5K	Hold	16,550	–	–	0.01%	238
2024 Q4	$24.3K	Hold	16,550	–	–	0.01%	217
2024 Q3	$24.7K	Hold	16,550	–	–	0.01%	226
2024 Q2	$20.4K	Hold	16,550	–	–	0.01%	216
2024 Q1	$19.9K	Hold	16,550	–	–	0.01%	210
2023 Q4	$25K	Sell	16,550 -50	-0.3%	-$72	0.01%	198
2023 Q3	$26.6K	Hold	16,600	–	–	0.01%	189
2023 Q2	$36K	Hold	16,600	–	–	0.02%	183
2023 Q1	$24.2K	Hold	16,600	–	–	0.01%	181
2022 Q4	$20.8K	Buy	+16,600	New	+$26.2K	0.01%	171

Other funds holding OPK

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

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

WCM

Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Westmount Partners's OPK Position: Q2 2026 in Review

Westmount Partners held its Opko Health (OPK) position steady in Q2 2026 at 18,550 shares worth $27.8K. The position accounts for 0.01% of the portfolio, ranked #273.

Westmount Partners first reported a position in OPK in Q4 2022 and has held it in 15 quarters since. The position peaked at $36K in Q2 2023. 223 funds tracked by Wall St. Rank hold OPK as of Q2 2026.

Westmount Partners held 18,550 shares of Opko Health worth $27.8K as of Q2 2026.
Westmount Partners left its Opko Health share count unchanged in Q2 2026.
Opko Health made up 0.01% of Westmount Partners's portfolio in Q2 2026, its #273 holding.
Westmount Partners first reported a position in Opko Health in Q4 2022 and has held it in 15 quarters since.
Westmount Partners's Opko Health position peaked at $36K in Q2 2023.
223 funds tracked by Wall St. Rank held Opko Health as of Q2 2026.

Based on Westmount Partners's 13F filing for Q2 2026, filed 7 Jul 2026.