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Equibles

CITADEL ADVISORS LLC

Position in ATOM — Atomera Inc

CIK 1423053 MIAMI, FL
Back to ATOM Full portfolio

Position in ATOM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,932,242
-$2,068,177 QoQ
Shares Held
221,842
-78.9% QoQ
Ownership
0.568%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#22
of 121 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATOM Over Time

Shares Held

Position Value (USD)

Derivatives in ATOM

reported options exposure · as of Jun 30, 2026
CallValue
$853,580
CallShares
98,000
PutValue
$2,822,040
PutShares
324,000

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 Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,316,848,873 across 26 Semiconductor Equipment & Materials names. ATOM ranks #24 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AMAT
Applied Materials Inc /De
 1,080,951 $781,527,573
2 KLAC
Kla Corp
 2,541,076 $766,668,039
3 LRCX
Lam Research Corp
 1,420,975 $615,751,095
4 ASML
Asml Holding NV
 188,358 $374,726,919
5 ONTO
Onto Innovation Inc.
 342,187 $129,500,670
6 AXTI
Axt Inc
 1,481,332 $106,774,410
7 Q
Qnity Electronics, Inc.
 613,148 $100,133,199
8 AMKR
Amkor Technology, Inc.
 1,028,138 $88,656,339

All Filings in ATOM

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $853,580 98,000
2026-06-30 $1,932,242 221,842
2026-06-30 $2,822,040 324,000
2026-03-31 $4,000,419 1,049,979
2026-03-31 $72,009 18,900
2026-03-31 $302,895 79,500
2025-12-31 $175,237 79,293
2025-12-31 $83,317 37,700
2025-09-30 $381,446 86,300
2025-09-30 $811,503 183,598
2025-09-30 $177,242 40,100
2025-06-30 $752,976 149,400
2025-06-30 $1,054,368 209,200
2025-06-30 $454,734 90,225
2025-03-31 $442,000 110,500
2025-03-31 $414,760 103,690
2025-03-31 $909,200 227,300
2024-12-31 $930,320 80,200
2024-12-31 $526,790 45,413
2024-12-31 $418,760 36,100
2024-09-30 $109,408 41,600
2024-09-30 $192,589 73,228
2024-09-30 $68,380 26,000
2024-06-30 $274,624 72,080
2024-06-30 $101,727 26,700
2024-06-30 $9,906 2,600
2024-03-31 $799,370 129,768
2024-03-31 $359,128 58,300
2024-03-31 $301,224 48,900
2023-12-31 $792,831 113,100
2023-12-31 $875,549 124,900
2023-09-30 $880,782 140,700
2023-09-30 $2,003 320
2023-09-30 $674,202 107,700
2023-06-30 $147,590 16,829
2023-06-30 $1,735,583 197,900
2023-06-30 $464,810 53,000
2023-03-31 $619,164 97,200
2023-03-31 $379,652 59,600
2023-03-31 $564,903 88,682
2022-12-31 $362,004 58,200
2022-12-31 $905,632 145,600
2022-12-31 $401,581 64,563
2022-09-30 $1,509,370 149,000
2022-09-30 $450,795 44,501
2022-09-30 $865,102 85,400
2022-06-30 $592,816 63,200
2022-06-30 $1,386,364 147,800
2022-03-31 $2,528,416 193,600
2022-03-31 $1,782,690 136,500

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