Security key
03940C100
Arcellx, Inc. - Common Stock, $0.001 par value per share (ACLX)
CUSIP: 03940C100
Q2 2023 13F Holders as of 30 Jun 2023
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 48,066,751
- Total 13F value
- $1,519,832,876
- Share change
- +2,494,096
- Put/Call ratio
- 13%
- SEC-reported price per share
- $31.62
- Number of holders
- 134
- Value change
- +$79,444,997
- Number of buys
- 99
- Number of sells
- 41
- 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
Q2 2023
Institutions
134
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 Mar 2023
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
3841739%
FMR LLC
2683090%
MONTANOVA CAPITAL, LLC
2398321%
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%
|
$169,455,216
5,500,007 shares
|
— | 31 Mar 2023 |
| NEA Management Company, LLC |
13F
Company
|
4745262%
|
$146,201,522
4,745,262 shares
|
— | 31 Mar 2023 |
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
3841739%
|
$118,363,979
3,841,739 shares
|
— | 31 Mar 2023 |
| FMR LLC |
13F
Company
|
2683090%
|
$82,666,002
2,683,090 shares
|
— | 31 Mar 2023 |
| MONTANOVA CAPITAL, LLC |
13F
Company
|
2398321%
|
$73,892,270
2,398,321 shares
|
— | 31 Mar 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
2222357%
|
$68,470,819
2,222,357 shares
|
— | 31 Mar 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 Q2 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
134
Shares
48,066,751
Rows available
134
| 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 Q2 2023 vs Q1 2023 Across Filers
Q1 2023 holders
115
Q2 2023 holders
134
Holder diff
19
| Investor | Q1 2023 Shares | Q2 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q2 2023 value | Value change | Value Chg % |
|---|