Arcellx, Inc. - Common Stock, $0.001 par value per share (ACLX)

CUSIP: 03940C100

Q4 2022 13F Holders as of 31 Dec 2022

Holder snapshot 7 signals
Share change
+1,661,704
Put/Call ratio
23%
SEC-reported price per share
$30.98
Number of holders
123
Value change
+$53,764,127
Number of buys
88
Open additional details 1 more signal available
Number of sells
32
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
100

Security key

03940C100

Report period

Q4 2022

Institutions

123

Top holders

10

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
NEA Management Company, LLC
Disclosed value leader
Novo Holdings A/S
Comparable rows
15/15
Latest evidence
30 Sep 2022
13F 3/4/5 Lead comparable stake: 6750264% Showing 1-6 of 15 holder rows.

Quick read

NEA Management Company, LLC leads the comparable SEC ownership view at 6750264%.

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 NEA Management Company, LLC's linked filing trail.
Comparable ownership Top 5
NEA Management Company, LLC 6750264%
SR ONE CAPITAL MANAGEMENT, LP 5500007%
Novo Holdings A/S 3191878%
Cormorant Asset Management, LP 3049173%
PERCEPTIVE ADVISORS LLC 2465405%

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
NEA Management Company, LLC
13F
Company
13F
6750264%
$126,702,000
6,750,264 shares
30 Sep 2022
SR ONE CAPITAL MANAGEMENT, LP
13F
Company
13F
5500007%
$103,235,000
5,500,007 shares
30 Sep 2022
Novo Holdings A/S
3/4/5 13F
10%+ Owner · Company
3191878%
from 13F
$222,004,412
4,016,878 shares
08 Feb 2022
Cormorant Asset Management, LP
13F
Company
13F
3049173%
$57,233,000
3,049,173 shares
30 Sep 2022
PERCEPTIVE ADVISORS LLC
13F
Company
13F
2465405%
$46,276,000
2,465,405 shares
30 Sep 2022
MONTANOVA CAPITAL, LLC
13F
Company
13F
2249533%
$42,224,000
2,249,533 shares
30 Sep 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 Q4 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
123
Shares
41,987,329
Rows available
123
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 Q4 2022 vs Q3 2022 Across Filers

Q3 2022 holders
74
Q4 2022 holders
123
Holder diff
49
Investor Q3 2022 Shares Q4 2022 Shares Share Diff Share Chg % Q3 2022 value Q4 2022 value Value change Value Chg %
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