Mariner
OPK icon

Mariner’s Opko Health OPK Stock Holding History

Mariner’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 		$75.7K Buy
50,486
+11,140
+28% +$14.2K ﹤0.01% 3367
2026
Q1 		$44.8K Sell
39,346
-2,879
-7% -$3.54K ﹤0.01% 3437
2025
Q4 		$53.3K Sell
42,225
-26,781
-39% -$37.3K ﹤0.01% 3410
2025
Q3 		$107K Buy
69,006
+44,914
+186% +$61.7K ﹤0.01% 3342
2025
Q2 		$31.8K Buy
24,092
+6,629
+38% +$9.06K ﹤0.01% 3384
2025
Q1 		$29K Buy
+17,463
New +$28.8K ﹤0.01% 3347
2023
Q4 		– Sell
-11,979
Closed -$19.2K – 3145
2023
Q3 		$19.2K Buy
11,979
+1,871
+19% +$3.41K ﹤0.01% 2844
2023
Q2 		$21.9K Buy
+10,108
New +$15.8K ﹤0.01% 2771
2023
Q1 		– Sell
-49,535
Closed -$62K – 2855
2022
Q4 		$62K Buy
+49,535
New +$78.1K ﹤0.01% 2589
2019
Q3 		– Sell
-78,213
Closed -$191K – 938
2019
Q2 		$191K Buy
+78,213
New +$171K ﹤0.01% 1050

Other funds holding OPK

RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
UBS Group
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
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Mariner's OPK Position: Q2 2026 in Review

Mariner increased its Opko Health (OPK) stake by 28% in Q2 2026, buying an estimated $14.2K and bringing the position to 50,486 shares worth $75.7K. The position accounts for ﹤0.01% of the portfolio, ranked #3367.

Mariner first reported a position in OPK in Q2 2019 and has held it in 10 quarters since. The position peaked at $191K in Q2 2019. 223 funds tracked by Wall St. Rank hold OPK as of Q2 2026.

  • Mariner held 50,486 shares of Opko Health worth $75.7K as of Q2 2026.
  • Mariner bought 11,140 Opko Health shares in Q2 2026, an estimated $14.2K.
  • Opko Health made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3367 holding.
  • Mariner first reported a position in Opko Health in Q2 2019 and has held it in 10 quarters since.
  • Mariner's Opko Health position peaked at $191K in Q2 2019.
  • 223 funds tracked by Wall St. Rank held Opko Health as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.