Security key
03940C100
Arcellx, Inc. - Common Stock, $0.001 par value per share (ACLX)
CUSIP: 03940C100
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 45,593,955
- Total 13F value
- $1,403,613,948
- Share change
- +3,719,609
- Put/Call ratio
- 154%
- SEC-reported price per share
- $30.81
- Number of holders
- 115
- Value change
- +$114,227,065
- Number of buys
- 60
- Number of sells
- 63
- Shares outstanding
- 100
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2023
Institutions
115
Top holders
10
ACLX full security history
Ownership snapshot
Full 13F holder table
Arcellx, Inc. SEC filings
Arcellx, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ACLX - Arcellx, Inc. - Common Stock, $0.001 par value 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
SR ONE CAPITAL MANAGEMENT...
Disclosed value leader
Novo Holdings A/S
Comparable rows
15/15
Latest evidence
31 Dec 2022
13F
3/4/5
Lead comparable stake: 5500007%
Showing 1-6 of 15 holder rows.
Quick read
SR ONE CAPITAL MANAGEMENT, LP leads the comparable SEC ownership view at 5500007%.
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.
Open SEC evidence
Opens SR ONE CAPITAL MANAGEMENT, LP's linked filing trail.
Comparable ownership
Top 5
SR ONE CAPITAL MANAGEMENT, LP
5500007%
NEA Management Company, LLC
4745262%
PERCEPTIVE ADVISORS LLC
2598305%
MONTANOVA CAPITAL, LLC
2350333%
BlackRock Finance, Inc.
2207179%
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 |
|---|---|---|---|---|---|
| SR ONE CAPITAL MANAGEMENT, LP |
13F
Company
|
5500007%
|
$170,390,217
5,500,007 shares
|
— | 31 Dec 2022 |
| NEA Management Company, LLC |
13F
Company
|
4745262%
|
$147,008,217
4,745,262 shares
|
— | 31 Dec 2022 |
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
2598305%
|
$80,495,489
2,598,305 shares
|
— | 31 Dec 2022 |
| MONTANOVA CAPITAL, LLC |
13F
Company
|
2350333%
|
$72,813,316
2,350,333 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
2207179%
|
$68,378,405
2,207,179 shares
|
— | 31 Dec 2022 |
| Cormorant Asset Management, LP |
13F
Company
|
2075000%
|
$64,284,000
2,075,000 shares
|
— | 31 Dec 2022 |
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 Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
115
Shares
45,593,955
Rows available
115
| 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 Q1 2023 vs Q1 2023 Across Filers
Q1 2023 holders
115
Q1 2023 holders
115
Holder diff
0
| Investor | Q1 2023 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q1 2023 value | Value change | Value Chg % |
|---|