- Type / Class
- Equity / Common Stock
- Shares outstanding
- 58,974,400
- Total 13F shares
- 63,039,877
- Share change
- +2,241,540
- Total reported value
- $5,175,204,679
- Put/Call ratio
- 132%
- Price per share
- $82.10
- Number of holders
- 207
- Value change
- +$190,810,895
- Number of buys
- 86
- Number of sells
- 101
Quarterly Holders Quick Answers
What is CUSIP 03940C100?
CUSIP 03940C100 identifies ACLX - Arcellx, Inc. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 03940C100:
Top shareholders of ACLX - Arcellx, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| GILEAD SCIENCES, INC. |
13F
3/4/5
|
Company · 10%+ Owner |
11%
|
6,720,803
|
$442,564,878 | — | 30 Jun 2025 | |
| FMR LLC |
13F
|
Company |
10%
|
5,972,151
|
$393,266,175 | — | 30 Jun 2025 | |
| Paradigm Biocapital Advisors LP |
13F
|
Company |
7.9%
|
4,649,016
|
$306,137,704 | — | 30 Jun 2025 | |
| NEA Partners 15, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
4,745,262
|
$262,260,666 | — | 20 Dec 2022 | |
| New Enterprise Associates 15, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
4,745,262
|
$262,260,666 | — | 20 Dec 2022 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.7%
|
3,944,885
|
$259,770,678 | — | 30 Jun 2025 | |
| NEA Management Company, LLC |
13F
|
Company |
6.4%
|
3,745,262
|
$246,625,503 | — | 30 Jun 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
6.4%
from 13D/G
|
3,468,184
|
$228,379,933 | — | 30 Jun 2025 | |
| Novo Holdings A/S |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
4,016,878
|
$222,004,412 | — | 08 Feb 2022 | |
| RA CAPITAL MANAGEMENT, L.P. |
13F
|
Company |
5.1%
|
3,036,527
|
$199,955,303 | — | 30 Jun 2025 | |
| Vestal Point Capital, LP |
13F
|
Company |
4.7%
|
2,750,000
|
$181,087,500 | — | 30 Jun 2025 | |
| PERCEPTIVE ADVISORS LLC |
13F
13D/G
|
Company |
4.5%
from 13D/G
|
2,478,000
|
$163,176,300 | — | 30 Jun 2025 | |
| SR ONE CAPITAL MANAGEMENT, LP |
13F
|
Company |
4%
|
2,346,630
|
$154,525,586 | — | 30 Jun 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
3.3%
|
1,943,726
|
$127,995,000 | — | 30 Jun 2025 | |
| Lewis T. "rusty" Williams |
3/4/5
|
Director |
—
class O/S missing
|
2,095,114
|
$115,792,551 | — | 08 Feb 2022 | |
| STATE STREET CORP |
13F
|
Company |
2.7%
|
1,592,313
|
$104,853,811 | — | 30 Jun 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
2.4%
|
1,438,773
|
$94,745,000 | — | 30 Jun 2025 | |
| SR ONE CAPITAL MANAGEMENT, LLC |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
1,658,780
|
$91,677,287 | — | 11 May 2023 | |
| AJU IB Investment Co., Ltd. |
13F
|
Company |
1.8%
|
1,047,557
|
$68,981,628 | — | 30 Jun 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
1.7%
|
1,023,582
|
$67,394,304 | — | 30 Jun 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.7%
|
976,968
|
$64,333,342 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.6%
|
961,778
|
$63,341,732 | — | 30 Jun 2025 | |
| Cormorant Asset Management, LP |
13F
|
Company |
1.4%
|
800,000
|
$52,680,000 | — | 30 Jun 2025 | |
| Capital World Investors |
13F
|
Company |
1.3%
|
783,011
|
$51,561,274 | — | 30 Jun 2025 | |
| BAMCO INC /NY/ |
13F
|
Company |
0.88%
|
518,009
|
$34,110,893 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.88%
|
517,513
|
$34,078,249 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.87%
|
510,605
|
$33,623,340 | — | 30 Jun 2025 | |
| Affinity Asset Advisors, LLC |
13F
|
Company |
0.84%
|
495,000
|
$32,595,750 | — | 30 Jun 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.73%
|
431,466
|
$28,412,156 | — | 30 Jun 2025 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
0.65%
|
383,136
|
$25,229,506 | — | 30 Jun 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.59%
|
346,728
|
$22,832,036 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.59%
|
345,975
|
$22,782,453 | — | 30 Jun 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.58%
|
343,126
|
$22,594,190 | — | 30 Jun 2025 | |
| LORD, ABBETT & CO. LLC |
13F
|
Company |
0.57%
|
337,576
|
$22,230,000 | — | 30 Jun 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.56%
|
329,364
|
$21,688,620 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.54%
|
319,272
|
$21,024,061 | — | 30 Jun 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.47%
|
275,676
|
$18,153,264 | — | 30 Jun 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.45%
|
267,111
|
$17,589,260 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.44%
|
262,355
|
$17,276,076 | — | 30 Jun 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.41%
|
241,409
|
$15,896,783 | — | 30 Jun 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.41%
|
241,389
|
$15,895,466 | — | 30 Jun 2025 | |
| First Turn Management, LLC |
13F
|
Company |
0.36%
|
215,223
|
$14,172,435 | — | 30 Jun 2025 | |
| STEMPOINT CAPITAL LP |
13F
|
Company |
0.34%
|
201,452
|
$13,265,614 | — | 30 Jun 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.34%
|
199,741
|
$13,152,945 | — | 30 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.34%
|
198,363
|
$13,062,204 | — | 30 Jun 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.32%
|
186,314
|
$12,268,777 | — | 30 Jun 2025 | |
| Parkman Healthcare Partners LLC |
13F
|
Company |
0.3%
|
174,276
|
$11,476,075 | — | 30 Jun 2025 | |
| BAKER BROS. ADVISORS LP |
13F
|
Company |
0.28%
|
166,825
|
$10,985,426 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
0.25%
|
148,917
|
$9,806,184 | — | 30 Jun 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.24%
|
139,378
|
$9,178,041 | — | 30 Jun 2025 |
Institutional Holders of Arcellx, Inc. - Common Stock (ACLX) as of Q3 2025
As of 30 Sep 2025,
Arcellx, Inc. - Common Stock (ACLX) was held by
207 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
63,039,877 shares.
The largest 10 holders included
GILEAD SCIENCES, INC., T. Rowe Price Investment Management, Inc., FMR LLC, Paradigm Biocapital Advisors LP, VANGUARD GROUP INC, BlackRock, Inc., NEA Management Company, LLC, RA CAPITAL MANAGEMENT, L.P., PERCEPTIVE ADVISORS LLC, and SR One Capital Management, LP.
This page lists
207
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
200
Q3 2025 holders
207
Holder diff
7
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.