Skip to main content

Ikarian Capital, LLC

Position in RARE — Ultragenyx Pharmaceutical Inc.

CIK 1778253 DALLAS, TX

Position in RARE

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,529,951
-$4,579,911 QoQ
Shares Held
165,617
-65.7% QoQ
Ownership
0.168%
of shares outstanding
% of Portfolio
0.89%
of 13F equity value
Holder Rank
#81
of 311 holders
Holding Since
Mar 2020
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RARE Over Time

Shares Held

Position Value (USD)

Derivatives in RARE

reported options exposure · as of Dec 31, 2025
CallValue
$5,750,000
CallShares
250,000
PutValue
$5,867,300
PutShares
255,100

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

Ikarian Capital, LLC holds $559,861,982 across 103 Biotechnology names. RARE ranks #35 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RARE

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,529,951 165,617
2026-03-31 $10,109,862 482,571
2025-12-31 $5,867,300 255,100
2025-12-31 $5,750,000 250,000
2025-12-31 $291,433 12,671
2025-09-30 $2,785,408 92,600
2025-06-30 $20,474,316 563,100
2025-06-30 $10,908,000 300,000
2025-03-31 $3,621,000 100,000
2025-03-31 $4,095,351 113,100
2025-03-31 $7,857,171 216,989
2024-12-31 $7,530,067 178,989
2024-09-30 $9,943,450 179,000
2023-09-30 $6,236,789 174,945
2023-06-30 $5,612,083 121,658
2021-03-31 $2,095,024 18,400
2020-06-30 $180,922 2,313
2020-06-30 $5,749,170 73,500
2020-03-31 $4,443,000 100,000
2020-03-31 $633,216 14,252