13F Filings/RNA

ATRIUM THERAPEUTICS INC (RNA): Institutional Ownership

Hedge funds and institutional managers reporting a position in RNA · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
12
13F filers
Aggregate Value
$22.8M
Across holders
Last Price
$13.19
2026-06-26
Sector
Health Care
GICS
Holder activity12 new0 added0 reduced
Institutional Holders of RNA
↗
12 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Pentwater Capital Management LP
CIK 0001425851
Hedge Fund603K$8.1M35.3%0.0%New—Q1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund235K$3.1M13.8%0.0%New—Q1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund184K$2.5M10.7%0.0%New—Q1 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund179K$2.4M10.5%0.0%New—Q1 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund163K$2.2M9.5%0.0%New—Q1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund110K$1.5M6.4%0.0%New—Q1 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund71K$954K4.2%0.0%New—Q1 2026
CAXTON ASSOCIATES LLP
CIK 0002051323
Hedge Fund44K$591K2.6%0.0%New—Q1 2026
Saba Capital Management, L.P.
CIK 0001510281
Hedge Fund40K$530K2.3%0.0%New—Q1 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund34K$450K2.0%0.0%New—Q1 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund32K$423K1.9%0.0%New—Q1 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager15K$206K0.9%0.0%New—Q1 2026
Pentwater Capital Management LPNew
Hedge Fund
$8.1M· 35.3% of total· 0.0% port· 603K sh· — QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCNew
Hedge Fund
$3.1M· 13.8% of total· 0.0% port· 235K sh· — QoQ· Q1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.New
Hedge Fund
$2.5M· 10.7% of total· 0.0% port· 184K sh· — QoQ· Q1 2026
TWO SIGMA INVESTMENTS, LPNew
Hedge Fund
$2.4M· 10.5% of total· 0.0% port· 179K sh· — QoQ· Q1 2026
Schonfeld Strategic Advisors LLCNew
Hedge Fund
$2.2M· 9.5% of total· 0.0% port· 163K sh· — QoQ· Q1 2026
CITADEL ADVISORS LLCNew
Hedge Fund
$1.5M· 6.4% of total· 0.0% port· 110K sh· — QoQ· Q1 2026
TUDOR INVESTMENT CORP ET ALNew
Hedge Fund
$954K· 4.2% of total· 0.0% port· 71K sh· — QoQ· Q1 2026
CAXTON ASSOCIATES LLPNew
Hedge Fund
$591K· 2.6% of total· 0.0% port· 44K sh· — QoQ· Q1 2026
Saba Capital Management, L.P.New
Hedge Fund
$530K· 2.3% of total· 0.0% port· 40K sh· — QoQ· Q1 2026
MARSHALL WACE, LLPNew
Hedge Fund
$450K· 2.0% of total· 0.0% port· 34K sh· — QoQ· Q1 2026
Brevan Howard Capital Management LPNew
Hedge Fund
$423K· 1.9% of total· 0.0% port· 32K sh· — QoQ· Q1 2026
Grantham, Mayo, Van Otterloo & Co. LLCNew
Institutional Manager
$206K· 0.9% of total· 0.0% port· 15K sh· — QoQ· Q1 2026
← All 13F filings