Security key
75120L100
Rallybio Corporation - Common Stock, par value $0.0001 per share (RLYB)
CUSIP: 75120L100
Q3 2023 13F Holders as of 30 Sep 2023
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 31,203,619
- Total 13F value
- $105,155,071
- Share change
- -380,920
- SEC-reported price per share
- $3.37
- Number of holders
- 58
- Value change
- -$1,411,692
- Number of buys
- 17
- Number of sells
- 19
- Shares outstanding
- 5,294,835
Holder snapshot
6 signals
Security identity
1 source field
Report period
Q3 2023
Institutions
58
Top holders
10
RLYB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2023
Previous quarter: Q2 2023
Rallybio Corp SEC filings
Rallybio Corp company facts
Broader feeds
Reporting periods
Holder history for CUSIP 75120L100
Recent filing periods:
Ownership snapshot
Top reported holders of RLYB - Rallybio Corporation - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VIKING GLOBAL INVESTORS LP
Disclosed value leader
VIKING GLOBAL INVESTORS LP
Comparable rows
15/15
Latest evidence
30 Jun 2023
13F
3/4/5
Lead comparable stake: 79%
Showing 1-6 of 15 holder rows.
Quick read
VIKING GLOBAL INVESTORS LP leads the comparable SEC ownership view at 79%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
VIKING GLOBAL INVESTORS LP
79%
5AM Venture Management, LLC
69%
New Leaf Venture Partners, L.L.C.
62%
FMR LLC
61%
TPG GP A, LLC
57%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP |
13F
3/4/5
Company · 10%+ Owner
|
79%
|
$23,742,438
4,194,777 shares
|
— | 30 Jun 2023 |
| 5AM Venture Management, LLC |
13F
Company
|
69%
|
$20,549,898
3,630,724 shares
|
— | 30 Jun 2023 |
| New Leaf Venture Partners, L.L.C. |
13F
Company
|
62%
|
$18,687,073
3,301,603 shares
|
— | 30 Jun 2023 |
| FMR LLC |
13F
Company
|
61%
|
$18,370,736
3,245,713 shares
|
— | 30 Jun 2023 |
| TPG GP A, LLC |
13F
Company
|
57%
|
$17,140,823
3,028,414 shares
|
— | 30 Jun 2023 |
| Pivotal bioVenture Partners Investment Advisor LLC |
13F
Company
|
45%
|
$13,610,285
2,404,644 shares
|
— | 30 Jun 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
58
Shares
31,203,619
Rows available
58
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2023 vs Q2 2023 Across Filers
Q2 2023 holders
57
Q3 2023 holders
58
Holder diff
1
| Investor | Q2 2023 Shares | Q3 2023 Shares | Share Diff | Share Chg % | Q2 2023 value | Q3 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend