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CITADEL ADVISORS LLC

Position in PDFS — Pdf Solutions Inc

CIK 1423053 MIAMI, FL

Position in PDFS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,131,373
-$5,718 QoQ
Shares Held
34,588
-13.2% QoQ
Ownership
0.087%
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% Shared 0% None 0%

Common Shares in PDFS Over Time

Shares Held

Position Value (USD)

Derivatives in PDFS

reported options exposure · as of Mar 31, 2026
CallValue
$372,894
CallShares
11,400
PutValue
$0
PutShares
0

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 - Application

Technology · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $5,186,345,576 across 152 Software - Application names. PDFS ranks #100 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PDFS

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49 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,131,373 34,588
2026-03-31 $372,894 11,400
2025-12-31 $1,137,091 39,856
2025-09-30 $962,827 37,290
2025-09-30 $224,634 8,700
2025-06-30 $2,182,384 102,076
2025-03-31 $122,304 6,400
2025-03-31 $49,686 2,600
2025-03-31 $1,020,816 53,418
2024-12-31 $316,836 11,700
2024-12-31 $563,561 20,811
2024-12-31 $59,576 2,200
2024-09-30 $9,504 300
2024-09-30 $79,200 2,500
2024-09-30 $326,304 10,300
2024-06-30 $3,638 100
2024-06-30 $1,951,386 53,639
2024-06-30 $58,208 1,600
2024-03-31 $1,962,321 58,281
2024-03-31 $127,946 3,800
2024-03-31 $3,367 100
2023-12-31 $3,398,932 105,754
2023-12-31 $48,210 1,500
2023-12-31 $9,642 300
2023-09-30 $4,265,168 131,641
2023-09-30 $84,240 2,600
2023-09-30 $100,440 3,100
2023-06-30 $184,910 4,100
2023-06-30 $40,590 900
2023-06-30 $2,050,922 45,475
2023-03-31 $398,560 9,400
2023-03-31 $271,360 6,400
2023-03-31 $7,547,199 178,000
2022-12-31 $11,408 400
2022-12-31 $769,525 26,982
2022-12-31 $39,928 1,400
2022-09-30 $759,619 30,967
2022-06-30 $1,048,052 48,724
2022-03-31 $510,522 18,318
2021-12-31 $2,664,700 83,822
2021-09-30 $218,880 9,500
2021-09-30 $1,066,820 46,303
2021-06-30 $1,003,935 55,222
2021-06-30 $187,254 10,300
2021-03-31 $743,968 41,843
2020-12-31 $654,285 30,291
2020-09-30 $466,533 24,935
2020-06-30 $1,429,972 73,107
2020-03-31 $1,781,393 151,996