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Equibles

CITADEL ADVISORS LLC

Position in QLYS — Qualys, Inc.

CIK 1423053 MIAMI, FL
Back to QLYS Full portfolio

Position in QLYS

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$51,990,330
+$34,110,220 QoQ
Shares Held
378,139
+85.8% QoQ
Ownership
1.09%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#26
of 433 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in QLYS Over Time

Shares Held

Position Value (USD)

Derivatives in QLYS

reported options exposure · as of Jun 30, 2026
CallValue
$7,039,488
CallShares
51,200
PutValue
$5,279,616
PutShares
38,400

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 Software - Infrastructure

Technology · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $6,870,935,956 across 125 Software - Infrastructure names. QLYS ranks #24 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MSFT
Microsoft Corp
 3,770,405 $1,406,436,472
2 ORCL
Oracle Corp
 4,756,029 $696,996,049
3 PANW
Palo Alto Networks Inc
 1,499,125 $511,231,606
4 XYZ
Block, Inc.
 5,901,133 $448,486,108
5 FTNT
Fortinet, Inc.
 2,379,364 $365,517,897
6 OKTA
Okta, Inc.
 2,106,402 $287,418,552
7 DOCN
DigitalOcean Holdings, Inc.
 1,765,425 $277,224,687
8 PLTR
Palantir Technologies Inc.
 1,855,338 $216,462,283

All Filings in QLYS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $51,990,330 378,139
2026-06-30 $5,279,616 38,400
2026-06-30 $7,039,488 51,200
2026-03-31 $667,660 7,600
2026-03-31 $1,361,675 15,500
2026-03-31 $17,880,110 203,530
2025-12-31 $5,741,810 43,204
2025-12-31 $850,560 6,400
2025-12-31 $478,440 3,600
2025-09-30 $9,570,370 72,322
2025-09-30 $966,009 7,300
2025-09-30 $754,281 5,700
2025-06-30 $242,879 1,700
2025-06-30 $2,100,189 14,700
2025-03-31 $957,068 7,600
2025-03-31 $13,871,440 110,152
2025-03-31 $516,313 4,100
2024-12-31 $2,860,488 20,400
2024-12-31 $602,946 4,300
2024-12-31 $14,396,807 102,673
2024-09-30 $1,143,294 8,900
2024-09-30 $2,106,744 16,400
2024-09-30 $26,154,455 203,600
2024-06-30 $20,113,017 141,045
2024-06-30 $627,440 4,400
2024-06-30 $3,693,340 25,900
2024-03-31 $4,505,490 27,000
2024-03-31 $7,125,349 42,700
2024-03-31 $30,128,044 180,548
2023-12-31 $6,107,448 31,116
2023-12-31 $1,413,216 7,200
2023-12-31 $14,053,648 71,600
2023-09-30 $3,539,160 23,200
2023-09-30 $2,303,505 15,100
2023-09-30 $3,875,685 25,406
2023-06-30 $981,692 7,600
2023-06-30 $3,338,914 25,849
2023-06-30 $2,609,234 20,200
2023-03-31 $1,027,158 7,900
2023-03-31 $127,029 977
2023-03-31 $1,157,178 8,900
2022-12-31 $4,152,510 37,000
2022-12-31 $561,150 5,000
2022-12-31 $1,322,741 11,786
2022-09-30 $961,791 6,900
2022-09-30 $6,416,399 46,032
2022-09-30 $2,885,373 20,700
2022-06-30 $2,623,712 20,800
2022-06-30 $807,296 6,400
2022-06-30 $39,663,965 314,444