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Equibles

CITADEL ADVISORS LLC

Position in CCCC — C4 Therapeutics, Inc.

CIK 1423053 MIAMI, FL
Back to CCCC Full portfolio

Position in CCCC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$19,555,998
+$12,952,029 QoQ
Shares Held
4,187,580
+66.8% QoQ
Ownership
3.40%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#9
of 147 holders
Holding Since
Dec 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CCCC Over Time

Shares Held

Position Value (USD)

Derivatives in CCCC

reported options exposure · as of Jun 30, 2026
CallValue
$114,882
CallShares
24,600
PutValue
$336,707
PutShares
72,100

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 Biotechnology

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $6,088,855,369 across 436 Biotechnology names. CCCC ranks #62 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ONC
BeOne Medicines Ltd.
 1,425,517 $406,229,578
2 BBIO
BridgeBio Pharma, Inc.
 3,760,028 $280,046,885
3 INSM
INSMED Inc
 2,556,973 $272,624,460
4 MDGL
Madrigal Pharmaceuticals, Inc.
 507,233 $272,358,759
5 VRTX
Vertex Pharmaceuticals Inc / Ma
 510,430 $253,545,893
6 JAZZ
Jazz Pharmaceuticals plc
 1,006,676 $242,578,715
7 MANE
Veradermics, Inc
 1,877,775 $230,853,658
8 ROIV
Roivant Sciences Ltd.
 5,576,261 $197,343,876

All Filings in CCCC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $19,555,998 4,187,580
2026-06-30 $114,882 24,600
2026-06-30 $336,707 72,100
2026-03-31 $88,368 33,600
2026-03-31 $115,720 44,000
2026-03-31 $6,603,969 2,511,015
2025-12-31 $23,111 12,100
2025-12-31 $73,917 38,700
2025-12-31 $855,312 447,808
2025-09-30 $1,068,815 481,449
2025-09-30 $120,768 54,400
2024-12-31 $92,520 25,700
2024-12-31 $371,160 103,100
2024-12-31 $103,017 28,616
2024-09-30 $485,070 85,100
2024-09-30 $106,590 18,700
2024-09-30 $194,352 34,097
2024-06-30 $225,918 48,900
2024-06-30 $1,726,294 373,657
2024-06-30 $503,580 109,000
2024-03-31 $2,733,011 334,518
2024-03-31 $437,912 53,600
2024-03-31 $1,262,265 154,500
2023-12-31 $266,759 47,214
2023-12-31 $1,202,885 212,900
2023-12-31 $525,450 93,000
2023-09-30 $15,996 8,600
2023-09-30 $29,202 15,700
2023-09-30 $732,731 393,942
2023-06-30 $5,225 1,900
2023-06-30 $1,841,075 669,482
2023-06-30 $87,175 31,700
2023-03-31 $92,316 29,400
2023-03-31 $7,850 2,500
2023-03-31 $1,655,262 527,154
2022-12-31 $56,640 9,600
2022-12-31 $20,650 3,500
2022-12-31 $2,239,049 379,500
2022-09-30 $136,812 15,600
2022-09-30 $1,138,231 129,787
2022-06-30 $84,448 11,200
2022-06-30 $210,749 27,951
2022-03-31 $344,492 14,200
2022-03-31 $497,330 20,500
2022-03-31 $2,625,635 108,229
2021-12-31 $595,700 18,500
2021-12-31 $5,214,982 161,956
2021-09-30 $317,228 7,100
2021-09-30 $1,802,167 40,335
2021-06-30 $4,191,839 110,778

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