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Equibles

CITADEL ADVISORS LLC

Position in SNDX — Syndax Pharmaceuticals Inc

CIK 1423053 MIAMI, FL
Back to SNDX Full portfolio

Position in SNDX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,645,957
-$9,092,847 QoQ
Shares Held
258,278
-59.1% QoQ
Ownership
0.289%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#66
of 242 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SNDX Over Time

Shares Held

Position Value (USD)

Derivatives in SNDX

reported options exposure · as of Jun 30, 2026
CallValue
$1,538,944
CallShares
70,400
PutValue
$354,132
PutShares
16,200

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 $6,088,670,159 across 436 Biotechnology names. SNDX ranks #132 (0.1% 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 SNDX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,645,957 258,278
2026-06-30 $1,538,944 70,400
2026-06-30 $354,132 16,200
2026-03-31 $14,738,804 630,942
2026-03-31 $1,691,264 72,400
2026-03-31 $1,499,712 64,200
2025-12-31 $3,865,902 184,003
2025-12-31 $989,571 47,100
2025-12-31 $2,882,572 137,200
2025-09-30 $8,404,332 546,268
2025-09-30 $1,655,426 107,600
2025-09-30 $1,063,103 69,100
2025-06-30 $506,646 54,100
2025-06-30 $737,962 78,800
2025-06-30 $5,993,599 640,000
2025-03-31 $1,066,338 86,800
2025-03-31 $243,243 19,800
2025-03-31 $35,809,324 2,914,882
2024-12-31 $14,407,195 1,089,803
2024-12-31 $1,677,618 126,900
2024-12-31 $545,986 41,300
2024-09-30 $1,035,650 53,800
2024-09-30 $731,500 38,000
2024-09-30 $654,885 34,020
2024-06-30 $513,250 25,000
2024-06-30 $638,483 31,100
2024-06-30 $3,900,309 189,981
2024-03-31 $906,780 38,100
2024-03-31 $1,278,060 53,700
2024-03-31 $804,654 33,809
2023-12-31 $5,250,904 242,985
2023-12-31 $834,146 38,600
2023-12-31 $2,891,418 133,800
2023-09-30 $6,323,357 435,493
2023-09-30 $2,333,364 160,700
2023-09-30 $4,623,168 318,400
2023-06-30 $62,790 3,000
2023-06-30 $29,302 1,400
2023-06-30 $4,959,363 236,950
2023-03-31 $63,360 3,000
2023-03-31 $33,362,608 1,579,669
2023-03-31 $337,920 16,000
2022-12-31 $41,428,858 1,627,853
2022-12-31 $1,247,050 49,000
2022-12-31 $412,290 16,200
2022-09-30 $32,843,506 1,366,771
2022-09-30 $2,208,357 91,900
2022-06-30 $1,872,052 97,300
2022-06-30 $33,266,960 1,729,052
2022-03-31 $922,878 53,100

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