ARCELLX INC

$ACLX
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Smart money positioned

8 of the Top-200 alpha managers hold $ACLX as of the latest 13F snapshot.

13F holders
237
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

8 holders · Q1 2026

$ACLX is held by 8 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.22%, with an average of 0.05% of portfolio. Largest holder: ADAR1 Capital Management, LLC at 0.22%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
ADAR1 Capital Management, LLC
0.22% held
α +74.0pts
02
Caption Management, LLC
0.17% held
α +15.5pts
03
Erste Asset Management GmbH
0.02% held
α +33.4pts
04
Quarry LP
0.01% held
α +10.6pts
05
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.00% held
α +27.5pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 237 · Source: 13F-HR
01
Wealth Dimensions Group, Ltd.
13.55% of portfolio
5,774,016 sh
02
Gotham Asset Management, LLC
19.88% of portfolio
3,045,262 sh
03
Ninety One UK Ltd
1.71% of portfolio
2,870,000 sh
04
Banyan Capital Management, Inc.
0.01% of portfolio
2,574,864 sh
05
Eclipse Ventures, LLC
29.43% of portfolio
2,346,630 sh
06
rebel Financial LLC
0.21% of portfolio
2,339,192 sh
07
Deerfield Management Company, L.p. (series C)
2.66% of portfolio
2,278,517 sh
08
Roberts Capital Advisors, LLC
0.18% of portfolio
2,255,878 sh
09
State Street
—
1,998,503 sh
10
Axa S.a.
0.01% of portfolio
1,675,895 sh
See all 237 13F holders · Pro →

Insider activity · last 90 days

40 transactions · 4 filers
19 Sep 2025
Heery Christopher —
▼ SOLD
300
$80.00
S
18 Sep 2025
Heery Christopher —
▼ SOLD
3,343
$80.01
S
29 Apr 2025
Patel Kavita —
▼ SOLD
1,500
$64.20
S
08 Apr 2025
Patel Kavita —
▼ SOLD
1,500
$57.50
S
18 Mar 2025
Patel Kavita —
▼ SOLD
1,500
$71.64
S
26 Feb 2025
Elghandour Rami —
▼ SOLD
10,889
$62.69
S
26 Feb 2025
Elghandour Rami —
▼ SOLD
21,077
$61.95
S
26 Feb 2025
Elghandour Rami —
▼ SOLD
6,334
$61.14
S
25 Feb 2025
Patel Kavita —
▼ SOLD
1,500
$63.16
S
24 Feb 2025
Heery Christopher —
▼ SOLD
208
$64.88
S
24 Feb 2025
Heery Christopher —
▼ SOLD
5,577
$64.26
S
24 Feb 2025
Heery Christopher —
▼ SOLD
4,370
$63.14
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $ACLX in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 07:21 UTC.