Institutional Manager · CIK 0001940272
ADAR1 Capital Management, LLC
AUSTIN, TX · File #028-23931
Latest AUM
$1.38B
Positions
270
Top-10 Concentration
57.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | KEROS THERAPEUTICS INC | KROS | -5,370,413 | -$109.3M | +$24.5M |
| ADD | AVIDITY BIOSCIENCES INC | 05370A108 | +492,878 | +$35.6M | +$1.5M |
| EXITED | 89BIO INC | 282559103 | -2,113,153 | -$31.1M | $0 |
| REDUCE | BIOAGE LABS INC | BIOA | -1,744,513 | -$23.1M | +$13.8M |
| ADD | TERNS PHARMACEUTICALS INC | TERN | +531,615 | +$21.5M | +$328,900 |
| REDUCE | CYTOMX THERAPEUTICS INC | CTMX | -3,945,414 | -$16.8M | +$4.3M |
| ADD | PERCEPTIVE CAP SOLUTIONS COR | G70077105 | +1,206,720 | +$15.7M | +$1.9M |
| ADD | CELLDEX THERAPEUTICS INC NEW | CLDX | +537,325 | +$14.6M | +$141,180 |
| NEW | INVENTIVA SA | IVEVF | +2,709,846 | +$12.6M | $0 |
| ADD | ARBUTUS BIOPHARMA CORP | ABUS | +2,511,883 | +$12.1M | +$783,871 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORT (Amended)Q/E Dec 2025270 pos · $1.36B
- 13F HOLDINGS REPORTQ/E Dec 2025270 pos · $1.38B
- 13F HOLDINGS REPORTQ/E Sep 2025220 pos · $1.06B
- 13F HOLDINGS REPORTQ/E Jun 2025210 pos · $652.1M
- 13F HOLDINGS REPORTQ/E Mar 2025202 pos · $538.7M
- 13F HOLDINGS REPORTQ/E Dec 2024214 pos · $500.4M
- 13F HOLDINGS REPORTQ/E Sep 2024278 pos · $614.9M
- 13F HOLDINGS REPORTQ/E Jun 2024266 pos · $529.7M
- 13F HOLDINGS REPORTQ/E Mar 2024261 pos · $440.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ABIVAX SA | AAVXF | 1,317,329 | $177.6M | 16.45% |
| 2 | PROTAGONIST THERAPEUTICS INC | PTGX | 1,049,168 | $91.6M | 8.49% |
| 3 | ROIVANT SCIENCES LTD | ROIV | 3,428,962 | $74.4M | 6.89% |
| 4 | IMMUNOVANT INC | IMVT | 2,480,968 | $63.1M | 5.84% |
| 5 | AVIDITY BIOSCIENCES INC | 05370A108 | 546,534 | $39.4M | 3.65% |
| 6 | EA SERIES TRUST | 02072L565 | 337,125 | $38.8M | 3.59% |
| 7 | SPDR S&P 500 ETF TR | SPY | 54,684 | $37.3M | 3.45% |
| 8 | CYTOKINETICS INC | CYTK | 540,166 | $34.3M | 3.18% |
| 9 | SEPTERNA INC | SEPN | 1,157,611 | $32.3M | 2.99% |
| 10 | ARBUTUS BIOPHARMA CORP | ABUS | 5,415,109 | $26.0M | 2.41% |
| 11 | ZAI LAB LTD | ZLAB | 1,246,520 | $22.0M | 2.04% |
| 12 | TERNS PHARMACEUTICALS INC | TERN | 541,615 | $21.9M | 2.03% |
| 13 | CYTOMX THERAPEUTICS INC | CTMX | 4,182,769 | $17.8M | 1.65% |
| 14 | CELLDEX THERAPEUTICS INC NEW | CLDX | 646,767 | $17.6M | 1.63% |
| 15 | RAPT THERAPEUTICS INC | 75382E208 | 509,679 | $17.3M | 1.60% |
| 16 | INHIBIKASE THERAPEUTICS INC | IKT | 8,063,949 | $16.5M | 1.53% |
| 17 | BRIDGEBIO PHARMA INC | BBIO | 213,414 | $16.3M | 1.51% |
| 18 | MONOPAR THERAPEUTICS INC | MNPR | 233,908 | $15.3M | 1.41% |
| 19 | VAXCYTE INC | PCVX | 315,642 | $14.6M | 1.35% |
| 20 | CRINETICS PHARMACEUTICALS IN | CRNX | 309,368 | $14.4M | 1.33% |