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Equibles

CITADEL ADVISORS LLC

Position in OPK — Opko Health, Inc.

CIK 1423053 MIAMI, FL
Back to OPK Full portfolio

Position in OPK

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$2,370,682
-$1,229,683 QoQ
Shares Held
2,079,547
-27.2% QoQ
Ownership
0.275%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in OPK Over Time

Shares Held

Position Value (USD)

Derivatives in OPK

reported options exposure · as of Mar 31, 2026
CallValue
$108,414
CallShares
95,100
PutValue
$68,856
PutShares
60,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $1,657,068,556 across 34 Diagnostics & Research names. OPK ranks #22 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TMO
Thermo Fisher Scientific Inc.
 864,489 $424,922,277
2 CRL
Charles River Laboratories International, Inc.
 1,212,152 $209,096,220
3 A
Agilent Technologies, Inc.
 1,801,714 $205,359,361
4 DHR
Danaher Corp /De/
 1,026,347 $194,595,390
5 MTD
Mettler Toledo International Inc/
 58,054 $73,217,704
6 GH
Guardant Health, Inc.
 775,941 $71,673,669
7 DGX
Quest Diagnostics Inc
 347,218 $68,047,783
8 IQV
Iqvia Holdings Inc.
 390,042 $66,517,762

All Filings in OPK

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $68,856 60,400
2026-03-31 $108,414 95,100
2026-03-31 $2,370,682 2,079,547
2025-12-31 $101,682 80,700
2025-12-31 $3,600,365 2,857,433
2025-12-31 $77,364 61,400
2025-09-30 $196,850 127,000
2025-09-30 $433,806 279,875
2025-09-30 $119,350 77,000
2025-06-30 $301,224 228,200
2025-06-30 $324,192 245,600
2025-06-30 $286,961 217,395
2025-03-31 $559,088 336,800
2025-03-31 $3,081,832 1,856,526
2025-03-31 $614,864 370,400
2024-12-31 $2,060,499 1,401,700
2024-12-31 $487,746 331,800
2024-12-31 $4,719,125 3,210,290
2024-09-30 $3,727,493 2,501,674
2024-09-30 $1,731,827 1,162,300
2024-09-30 $1,002,770 673,000
2024-06-30 $730,500 584,400
2024-06-30 $430,415 344,333
2024-06-30 $656,750 525,400
2024-03-31 $268,063 223,386
2024-03-31 $46,320 38,600
2024-03-31 $594,720 495,600
2023-12-31 $313,174 207,400
2023-12-31 $201,434 133,400
2023-12-31 $616,911 408,551
2023-09-30 $90,400 56,500
2023-09-30 $322,880 201,800
2023-09-30 $335,345 209,591
2023-06-30 $424,018 195,400
2023-06-30 $389,740 179,604
2023-06-30 $116,746 53,800
2023-03-31 $385,771 264,227
2023-03-31 $208,050 142,500
2023-03-31 $79,716 54,600
2022-12-31 $1,344,535 1,075,629
2022-12-31 $205,250 164,200
2022-12-31 $191,750 153,400
2022-09-30 $313,551 165,900
2022-09-30 $363,258 192,200
2022-09-30 $1,606,893 850,208
2022-06-30 $630,729 249,300
2022-06-30 $427,823 169,100
2022-06-30 $2,647,437 1,046,418
2022-03-31 $1,016,520 295,500
2022-03-31 $522,880 152,000

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