Position in RCUS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$15,555,553
+$14,225,779 QoQ
Shares Held
504,559
+208.9% QoQ
Ownership
0.396%
of shares outstanding
% of Portfolio
2.52%
of 13F equity value
Holder Rank
#36
of 228 holders
Holding Since
Dec 2020
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RCUS Over Time
Shares Held
Position Value (USD)
Derivatives in RCUS
reported options exposure · as of Dec 31, 2024CallValue
$2,099,490
CallShares
141,000
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 Jun 30, 2026Ikarian Capital, LLC holds $559,861,982 across 103 Biotechnology names. RCUS ranks #7 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABVX |
Abivax S.A.
|
328,635 | $43,793,900 | |
| 2 | KOD |
Kodiak Sciences Inc.
|
1,059,730 | $41,287,080 | |
| 3 | ALMS |
Alumis Inc.
|
870,548 | $24,497,220 | |
| 4 | PRAX |
Praxis Precision Medicines, Inc.
|
72,842 | $24,386,773 | |
| 5 | PCVX |
Vaxcyte, Inc.
|
388,682 | $22,594,084 | |
| 6 | CLDX |
Celldex Therapeutics, Inc.
|
478,500 | $17,804,985 | |
| 7 | RCUS |
Arcus Biosciences, Inc.
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|
504,559 | $15,555,553 | |
| 8 | RLMD |
Relmada Therapeutics, Inc.
|
2,148,359 | $14,866,644 |
All Filings in RCUS
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,555,553 | 504,559 | Shares | Sole | 2026-08-14 | |
| 2025-06-30 | $1,329,774 | 163,363 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,282,399 | 163,363 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,099,490 | 141,000 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $5,633,825 | 378,363 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $11,375,760 | 744,000 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $1,738,473 | 113,700 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $2,208,350 | 145,000 | Shares | Sole | 2024-08-14 | |
| 2023-12-31 | $7,640,000 | 400,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $4,575,024 | 254,876 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $71,800 | 4,000 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $4,062,000 | 200,000 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $5,686,800 | 280,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $4,195,200 | 230,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $2,853,571 | 137,987 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $5,854,508 | 283,100 | Put | Sole | 2023-02-14 | |
| 2022-06-30 | $587,888 | 23,200 | Call | Sole | 2022-08-12 | |
| 2022-06-30 | $1,267,000 | 50,000 | Put | Sole | 2022-08-12 | |
| 2022-03-31 | $4,734,000 | 150,000 | Call | Sole | 2022-05-13 | |
| 2021-12-31 | $5,042,562 | 124,600 | Put | Sole | 2022-02-14 | |
| 2021-06-30 | $6,741,430 | 245,500 | Put | Sole | 2021-08-18 | |
| 2021-03-31 | $6,893,640 | 245,500 | Put | Sole | 2021-08-18 | |
| 2020-12-31 | $532,180 | 20,500 | Put | Sole | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||