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The company

Atrium Therapeutics, Inc.

RNA · Nasdaq

Health CareBiotechnology

We hold no 150-day reading for RNA yet: it needs about 200 sessions of history. Biotechnology: 16% of its 561 stocks in an uptrend (−15 points in four weeks); Health Care: 26% (−10 points in four weeks).

SEC filings

Statistics

Rotation
not in the set
Weeks in an uptrend
—
Industry in uptrend
16% -15 in 4 wk
Insider buys, 12 months
$0
Insider sales, 12 months
$0
Officials’ trades on record
0
Institutions holding
148 (-3)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 0 of 0 weeks.

20 Apr – 19 Oct
17%28%39%Apr 26Jun 26Jul 26Sep 26Oct 26

Biotechnology: Few of its stocks are in an uptrend and the share has fallen sharply over four weeks. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026
−$1$0$1Nov 24May 25Nov 25Apr 26Oct 26

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months0
Sale orders, 12 months0
Buyers · sellers0 · 0

No open-market buy or sale by its insiders on record.

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders148-3 on the quarter
New · exited38 · 41
Reported value$172.3M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

ManagerSharesChange
Sessa Capital IM, L.P.added · filed 14 Aug 20261,500,000$20.2M+948,609+172.0%
BlackRock, Inc.added · filed 7 Aug 20261,447,476$19.5M+242,185+20.1%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026730,831$9.8M+103,962+16.6%
CRCM LPnew · filed 12 Aug 2026583,255$7.8M+583,255
TIG Advisors, LLCreduced · filed 14 Aug 2026561,533$7.6M-46,019−7.6%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026386,929$5.2M+67,098+21.0%
TWO SIGMA INVESTMENTS, LPadded · filed 14 Aug 2026345,481$4.6M+166,921+93.5%
GOLDMAN SACHS GROUP INCreduced · filed 14 Aug 2026310,341$4.2M-39,609−11.3%
683 Capital Management, LLCunchanged · filed 14 Aug 2026300,000$4.0M00.0%
STATE STREET CORPadded · filed 7 Aug 2026271,762$3.7M+14,676+5.7%
31 Mar 2023 – 30 Jun 2026
118213308Mar 23Dec 23Dec 24Sep 25Jun 26

Everyone who traded it

Brendan R. Winslow Company insiderChief Financial Officer · last 18 Sep 20260 · 0
Husam Younis Company insiderChief Scientific Officer · last 18 Sep 20260 · 0
Kathleen P. Gallagher Company insiderDirector, Officer · last 18 Sep 20260 · 0
Rocio Martin Hoyos Company insiderChief Strategy Officer · last 18 Sep 20260 · 0
Sarah Boyce Company insiderDirector · last 18 Sep 20260 · 0
Stephanie Kenney Company insiderOfficer · last 18 Sep 20260 · 0
Steven George Hughes Company insiderChief Medical Officer · last 18 Sep 20260 · 0
W. Michael Flanagan Company insiderDirector · last 18 Sep 20260 · 0
Carsten Boess Company insiderDirector · last 27 Feb 20260 · 0
Simona Skerjanec Company insiderDirector · last 27 Feb 20260 · 0
Troy Edward Wilson Company insiderDirector · last 27 Feb 20260 · 0

Same industry

No other stock in its industry this week.

Government contracts

No federal award is tied to it.

From its SEC filings

No ratio computed from its SEC filings yet.

Analyst forecasts

No analyst forecasts yet.