RALLYBIO CORP (RLYB): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in RLYB · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
4
13F filers
Aggregate Value
$13.0M
Across holders
Last Price
$16.99
2026-10-08
Sector
Health Care
GICS
Quarterly fund activity3 increased0 reduced1 exited
Full exits: BALYASNY ASSET MANAGEMENT LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP CIK 0001103804 | Hedge Fund | 524K | $8.4M | 64.5% | 0.0% | Unchanged | +$0 | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 200K | $3.2M | 24.6% | 0.0% | Added | +$694K | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 72K | $1.2M | 8.9% | 0.0% | Added | +$519K | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 17K | $266K | 2.0% | 0.0% | Added | — | Q2 2026 |
Unchanged
Hedge Fund
$8.4M· 64.5% of total· 0.0% port· 524K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$3.2M· 24.6% of total· 0.0% port· 200K sh· +$694K QoQ· Q2 2026
Added
Hedge Fund
$1.2M· 8.9% of total· 0.0% port· 72K sh· +$519K QoQ· Q2 2026
Added
Hedge Fund
$266K· 2.0% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
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