ATRIUM THERAPEUTICS INC

$RNA
13F holders
139
Net 13F flow · Q
Insider buys · 90d
0
Insider net · 90d
Congress · 90d
0
Convergence

Institutional holders

Top 10 of 139 · Source: 13F-HR
01
Brightline Capital Management, LLC
02
Norman Fields, Gottscho Capital Management, LLC
03
Ninety One UK Ltd
04
Oakworth Capital, Inc.
05
Ferguson Wellman Capital Management, Inc.
06
Laurion Capital Management LP
07
Rokos Capital Management LLP
08
Axa S.a.
09
Graybill Wealth Management, Ltd.
10
UNIVEST FINANCIAL Corp

Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.

See all 139 13F holders · Pro →

Smart Money · top-200 alpha cohort

9 holders · Q1 2026

$RNA is held by 9 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.17%, with an average of 0.05% of portfolio. Largest holder: Quarry LP at 0.17%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

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.

Insider activity · last 90 days

50 transactions · 11 filers
21 Jan 2026
Hughes Steven George
▼ SOLD
2,878
$72.45
S
21 Jan 2026
Hughes Steven George
▼ SOLD
2,017
$72.45
S
21 Jan 2026
Boyce Sarah
▼ SOLD
7,993
$72.45
S
21 Jan 2026
Boyce Sarah
▼ SOLD
6,394
$72.45
S
21 Jan 2026
Flanagan W. Michael
▼ SOLD
2,558
$72.45
S
21 Jan 2026
Flanagan W. Michael
▼ SOLD
3,976
$72.45
S
21 Jan 2026
McCarthy Teresa
▼ SOLD
1,453
$72.45
S
21 Jan 2026
McCarthy Teresa
▼ SOLD
1,476
$72.45
S
21 Jan 2026
MacLean Michael F
▼ SOLD
2,735
$72.45
S
21 Jan 2026
MacLean Michael F
▼ SOLD
1,807
$72.45
S
21 Jan 2026
Levin Arthur A
▼ SOLD
1,758
$72.45
S
07 Jan 2026
Boyce Sarah
▼ SOLD
8,576
$72.23
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 $RNA in the recent window.

Convergence · Pattern Engine ships in v1.1

30-day window
In development

Convergence detection for $RNA lands with the Pattern Engine.

Once the Pattern Engine ships, this section will surface every active convergence event involving $RNA — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.

Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 14:57 UTC.