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ADAR1 Capital Management, LLC

10% owner

ADAR1 Capital Management, LLC (10% owner) filed 9 Form 4 reports as a reporting entity in the trailing twelve months (9 purchases, 0 sales), most often in Rallybio Corporation (RLYB). Across 6 priced purchase filings, the average 21-session return was +9.6% from execution and +15.9% from disclosure (delay-adjusted; derived). The largest single filing was $2.1M of RLYB (152,005 sh across 2 lots, as filed), executed May 4.

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Return, ttmiAverage return per filing, trailing twelve months
+9.6%
avg across 6 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+15.9%
same 6 filings, from disclosure
Filings, ttm
9
9 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$11.0M
shares × price, as filed
Last traded
Sep 3
Filed Sep 8

Median ADV $8.3M across their filed names

33% of their measured filings could not be priced (delisted or unquoted names). The returns above cover only what still trades.

Impact on $10,000 · 12M
$16,165 (+61.7%)
S&P 500 $11,725 (+17.2%) · 44.4 pts ahead
$20.9k$15.2k$9.5kSep 22 2025Mar 23Sep 21
ADAR1 Capital Management, LLC S&P 500

Compounded across filings from disclosure dates · past 12 months

Open performance
Volume by month
$4.7M$2.3M$0Oct 2024Apr 2025Oct 2025Apr 2026May 2026 · buys $4.7MAug 2026 · buys $3.4MSep 2026 · buys $3.0M
Buys $11.0M Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 9 filings

Sector per market data · by filing · past 12 months

Most traded names
RLYB Rallybio Corporation RLYB · 4 buys · 0 sells 4 filings TENX Tenax Therapeutics, Inc. TENX · 3 buys · 0 sells 3 filings INM InMed Pharmaceuticals Inc. INM · 1 buy · 0 sells 1 filing NXTC NextCure, Inc. NXTC · 1 buy · 0 sells 1 filing
Recent filings
RLYBPURCHASE Rallybio Corporation View filing → $2.1M
152,005 sh across 2 lots
Exec May 4
Filed May 6 · 9:32 PM ET