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Jefferies Financial Group Inc.

Position in GKOS — GLAUKOS Corp

CIK 96223 NEW YORK, NY

Position in GKOS

as of Jun 30, 2026 · filed Aug 17, 2026
Position Value
$1,097,954
+$446,554 QoQ
Shares Held
7,856
+57.1% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#181
of 364 holders
Holding Since
Sep 2023
6 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GKOS Over Time

Shares Held

Position Value (USD)

Derivatives in GKOS

reported options exposure · as of Dec 31, 2023
CallValue
$3,306,784
CallShares
41,600
PutValue
$834,645
PutShares
10,500

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 Medical Devices

Healthcare · as of Jun 30, 2026

Jefferies Financial Group Inc. holds $69,255,939 across 26 Medical Devices names. GKOS ranks #13 (1.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in GKOS

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,097,954 7,856
2024-09-30 $651,400 5,000
2024-06-30 $1,183,500 10,000
2024-03-31 $1,496,948 15,876
2023-12-31 $3,306,784 41,600
2023-12-31 $468,991 5,900
2023-12-31 $834,645 10,500
2023-09-30 $3,566,850 47,400
2023-09-30 $775,902 10,311
2023-09-30 $1,316,875 17,500