Follow The Filings

RLYB Rallybio Corporation

Health Care, filed as RALLYBIO CORP (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

  • 1 Owner
  • Max 0.0%
  • $8.4M

Who owns this now

Largest portfolio weights among holders, up to 0.0% (Andreas Halvorsen, Viking Global Investors). Not free-float ownership.

  1. Andreas Halvorsen 0.02%

Who owns RLYB

Sorted by value, long equity only, as of 2026 Q2.

History
Andreas Halvorsen, Viking Global Investors 0.02% Hold 524,347 $8.4M History

1 current, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by RLYB's executives, directors and 10% owners in the last 12 months, from their Form 4s

All RLYB insider trades
  • $4.2M bought by 1 insider
  • None no sales outside a trading plan
  • None no planned (10b5-1) sales
  1. ADAR1 Capital Management, LLC 10% owner, +1 joint filer
    Buy
    $227K 16,209 shares at $13.98 +1.8% to stake
    Traded May 18–19 Filed May 20
    ↗
  2. ADAR1 Capital Management, LLC 10% owner, +1 joint filer
    Buy
    $1.1M 79,559 shares at $13.99 +9.6% to stake
    Traded May 13–15 Filed May 15
    ↗
  3. ADAR1 Capital Management, LLC 10% owner, +1 joint filer
    Buy
    $711K 50,800 shares at $14.00 +6.5% to stake
    Traded May 11–12 Filed May 13
    ↗
  4. ADAR1 Capital Management, LLC 10% owner, +1 joint filer
    Buy
    $2.2M 155,905 shares at $13.97 +25% to stake
    Traded May 4–5 Filed May 6
    ↗

Also filed in the last 12 months, not counted as buying or selling: 12 option exercises, 1 stock grant, and 1 sale to cover taxes.

SEC filings

Recent issuer filings from EDGAR, 25 shown.

Filed Form Detail Links
424B3 Filing Doc
8-K 5.02,9.01 Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
10-Q Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G — Filing Doc
8-K 1.01,3.02,5.01,5.02,7.01,9.01 Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G/A — Filing Doc
10-Q Filing Doc
SCHEDULE 13D/A — Filing Doc
8-K 1.02,9.01 Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G/A — Filing Doc
8-K 5.02 Filing Doc
10-K Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13D/A — Filing Doc
8-K 1.01,3.02,5.01,5.02,7.01,9.01 Filing Doc

Source: SEC EDGAR submissions, updated 3 days ago. All on EDGAR

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue — $600,000 $858,000
Net income -$74.56M -$57.78M -$8.98M
Net margin * — -9629.2% -1046.4%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $114.79M $67.84M $61.25M
Total non-current assets * $0.831M $0.267M $1.01M
Total assets $115.62M $68.11M $62.26M
Total current liabilities $9.26M $6.24M $4.22M
Total non-current liabilities * $173,000 $212,000 $82,000
Total equity $106.18M $61.65M $57.96M

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations -$60.26M -$49.28M -$29.81M
Cash from investing $27.66M $33.49M $47.27M
Cash from financing $0.143M $5.2M $0.016M
Net change in cash -$32.46M -$10.59M $17.47M

Source: SEC companyfacts (US-GAAP 10-K). A * marks a computed figure, not a single XBRL tag. Fiscal years are as the issuer labels them. Follow The Filings does not adjust or audit these figures.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.