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Equibles

CITADEL ADVISORS LLC

Position in MIRM — Mirum Pharmaceuticals, Inc.

CIK 1423053 MIAMI, FL
Back to MIRM Full portfolio

Position in MIRM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$97,188,193
+$30,819,216 QoQ
Shares Held
1,052,048
+25.2% QoQ
Ownership
1.73%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
22 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MIRM Over Time

Shares Held

Position Value (USD)

Derivatives in MIRM

reported options exposure · as of Mar 31, 2026
CallValue
$1,062,370
CallShares
11,500
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 Biotechnology

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $5,784,241,435 across 374 Biotechnology names. MIRM ranks #16 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 INSM
INSMED Inc
 2,182,571 $356,894,009
2 ONC
BeOne Medicines Ltd.
 1,032,298 $306,561,536
3 BMRN
Biomarin Pharmaceutical Inc
 4,512,634 $254,918,694
4 JAZZ
Jazz Pharmaceuticals plc
 1,259,444 $238,097,887
5 MDGL
Madrigal Pharmaceuticals, Inc.
 453,843 $237,573,195
6 BBIO
BridgeBio Pharma, Inc.
 3,173,940 $235,696,783
7 TERN
Terns Pharmaceuticals, Inc.
 3,218,810 $169,695,662
8 PTGX
Protagonist Therapeutics, Inc
 1,551,900 $163,570,260

All Filings in MIRM

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $97,188,193 1,052,048
2026-03-31 $1,062,370 11,500
2025-12-31 $1,003,173 12,700
2025-12-31 $66,368,977 840,220
2025-09-30 $953,030 13,000
2025-09-30 $1,524,848 20,800
2025-09-30 $76,282,279 1,040,544
2025-06-30 $1,063,601 20,900
2025-06-30 $71,569,252 1,406,352
2025-06-30 $300,251 5,900
2025-03-31 $1,216,350 27,000
2025-03-31 $666,740 14,800
2025-03-31 $65,142,073 1,445,995
2024-12-31 $107,510 2,600
2024-12-31 $62,487,416 1,511,183
2024-12-31 $905,565 21,900
2024-09-30 $54,264,951 1,391,409
2024-09-30 $1,719,900 44,100
2024-09-30 $1,162,200 29,800
2024-06-30 $844,493 24,700
2024-06-30 $335,062 9,800
2024-06-30 $54,212,483 1,585,624
2024-03-31 $542,592 21,600
2024-03-31 $34,979,750 1,392,506
2024-03-31 $369,264 14,700
2023-12-31 $646,488 21,900
2023-12-31 $42,591,809 1,442,812
2023-12-31 $309,960 10,500
2023-09-30 $227,520 7,200
2023-09-30 $293,880 9,300
2023-09-30 $54,265,320 1,717,257
2023-06-30 $380,289 14,700
2023-06-30 $281,983 10,900
2023-06-30 $36,990,089 1,429,845
2023-03-31 $32,891,666 1,369,345
2023-03-31 $482,802 20,100
2023-03-31 $84,070 3,500
2022-12-31 $27,466,900 1,408,559
2022-12-31 $136,500 7,000
2022-12-31 $421,200 21,600
2022-09-30 $19,437,967 925,177
2022-09-30 $369,776 17,600
2022-06-30 $8,364,821 429,847
2022-06-30 $284,116 14,600
2022-03-31 $7,333,276 333,028
2022-03-31 $281,856 12,800
2022-03-31 $548,298 24,900
2021-12-31 $2,016,494 126,426
2021-12-31 $347,710 21,800
2021-12-31 $539,110 33,800

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