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Equibles

Jefferies Financial Group Inc.

Position in MRK — Merck & Co., Inc.

CIK 96223 NEW YORK, NY
Back to MRK Full portfolio

Position in MRK

as of Jun 30, 2026 · filed Aug 17, 2026
Position Value
$46,639,846
+$3,132,397 QoQ
Shares Held
362,956
+0.4% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.53%
of 13F equity value
Holder Rank
#336
of 3,766 holders
Holding Since
Dec 2022
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Derivatives in MRK

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$1,619,100
PutShares
12,600

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 Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Jefferies Financial Group Inc. holds $358,862,750 across 12 Drug Manufacturers - General names. MRK ranks #3 (13.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMGN
Amgen Inc
 239,779 $86,828,771
2 ABBV
AbbVie Inc.
 268,264 $67,505,952
3 MRK
Merck & Co., Inc.
This page 		362,956 $46,639,846
4 GILD
Gilead Sciences, Inc.
 345,805 $43,689,003
5 AZN
Astrazeneca PLC
 186,676 $35,397,503
6 BMY
Bristol Myers Squibb Co
 508,740 $29,313,598
7 JNJ
Johnson & Johnson
 68,010 $17,272,499
8 PFE
Pfizer Inc
 642,123 $15,462,321

All Filings in MRK

Export CSV
36 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $46,639,846 362,956
2026-06-30 $1,619,100 12,600
2026-03-31 $1,515,654 12,600
2026-03-31 $43,507,449 361,688
2025-12-31 $2,620,974 24,900
2025-12-31 $52,727,681 500,928
2025-12-31 $2,368,350 22,500
2025-09-30 $1,888,425 22,500
2025-09-30 $18,743,247 223,320
2025-09-30 $2,089,857 24,900
2025-06-30 $1,971,084 24,900
2025-06-30 $10,487,750 132,488
2025-06-30 $1,781,100 22,500
2025-03-31 $12,110,329 134,919
2025-03-31 $2,019,600 22,500
2025-03-31 $4,245,648 47,300
2024-12-31 $10,554,828 106,100
2024-12-31 $3,432,060 34,500
2024-12-31 $30,568,313 307,281
2024-09-30 $6,484,276 57,100
2024-09-30 $16,563,293 145,855
2024-09-30 $7,574,452 66,700
2024-06-30 $13,496,676 109,020
2024-03-31 $30,005,298 227,399
2024-03-31 $12,508,860 94,800
2023-12-31 $11,643,336 106,800
2023-12-31 $18,849,339 172,898
2023-12-31 $7,903,950 72,500
2023-09-30 $11,733,005 113,968
2023-09-30 $3,088,500 30,000
2023-09-30 $2,573,750 25,000
2023-06-30 $888,272 7,698
2023-06-30 $3,461,700 30,000
2023-03-31 $441,305 4,148
2022-12-31 $3,761,537 33,903
2022-12-31 $9,430,750 85,000

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