Atrium Therapeutics, Inc. (RNA) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling RNA?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for Atrium Therapeutics, Inc., showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on RNA?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for Atrium Therapeutics, Inc..

Is institutional money flowing into RNA?

157 institutional investors hold Atrium Therapeutics, Inc. (RNA). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about RNA?

Track institutional sentiment and conviction scores for Atrium Therapeutics, Inc. (RNA) including Smart Money Verdict and position changes on HoldingsIntel.

Atrium Therapeutics, Inc.

RNA·05370A108·US·equity·Healthcare - Biotechnology-13D/G

RNA (Atrium Therapeutics, Inc.) is held by 157 institutional investors as of Q4 2025. Largest holders: VANGUARD GROUP INC ($984.5M), BlackRock, Inc. ($926.9M), RA CAPITAL MANAGEMENT, L.P. ($623.3M). Net institutional sentiment: Mixed.

157

Holders

Avg rating(9 Elite)

$8.2B

Total Value

50% (191)

Fund Consensus

94 buying - 94 selling

Smart Money VerdictView all

43Weak MomentumSplit Signals

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See how RNA's score breaks down across 4 SEC sources

Held by 157 funds

9 elite

Who's Trading

ActivistT. Rowe Price Associates, Inc.10.0%Apr 8, 2026

13F: Dec 31, 2025Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VANGUARD GROUP INC	Increased	13.6M(+3.3%)	$984.5M	0.0%	-63.69%	33
BlackRock, Inc.	Increased	12.9M(+39.6%)	$926.9M	0.0%	-62.13%	42
RA CAPITAL MANAGEMENT, L.P.	Unchanged	8.6M	$623.3M	6.4%	-52.03%	0
JANUS HENDERSON GROUP PLC	Decreased	6.9M(-52.2%)	$500.6M	0.2%	-56.37%	0
BALYASNY ASSET MANAGEMENT L.P.	New	6M	$435.7M	0.6%	-78.28%	61
Pentwater Capital Management LP	New	6M	$434.7M	2.3%	-78.28%	82
Avoro Capital Advisors LLC	Decreased	5.5M(-28.6%)	$393.5M	3.9%	-44.42%	0
HBK INVESTMENTS L P	New	4.4M	$314.8M	2.5%	-78.28%	80
STATE STREET CORP	Decreased	4.1M(-16.2%)	$295.6M	0.0%	-29.61%	0
GOLDMAN SACHS GROUP INC	Increased	3.8M(+118.0%)	$272.4M	0.0%	-71.26%	50
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.1M(+9.2%)	$225.1M	0.0%	-51.01%	34
ADAGE CAPITAL PARTNERS GP, L.L.C.	Increased	2.6M(+119.3%)	$189.8M	0.3%	-68.28%	59
UBS Group AG	Increased	2.4M(+79.1%)	$170M	0.0%	-70.08%	46
MILLENNIUM MANAGEMENT LLC	Increased	2.2M(+7182.4%)	$155.6M	0.1%	-78.10%	49
CITADEL ADVISORS LLC	Increased	1.6M(+77.0%)	$114.9M	0.0%	-71.66%	46
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	1.2M(+5.2%)	$85.2M	0.0%	-52.34%	31
Magnetar Financial LLC	New	1.2M	$83.6M	0.8%	-78.28%	58
FIL Ltd	New	1.1M	$82.5M	0.1%	-78.28%	41
Qube Research & Technologies Ltd	New	1.1M	$79.8M	0.1%	-78.28%	41
MORGAN STANLEY	Increased	1.1M(+58.0%)	$78.8M	0.0%	-68.89%	42
ALLIANCEBERNSTEIN L.P.	Increased	1M(+741.7%)	$75.5M	0.0%	-75.77%	48
NORTHERN TRUST CORP	Increased	1M(+4.5%)	$73.5M	0.0%	-46.88%	31
Man Group plc	Increased	898,277(+2950.2%)	$64.8M	0.1%	-77.98%	57
Squarepoint Ops LLC	New	868,200	$62.6M	0.1%	-78.28%	41
SOROS FUND MANAGEMENT LLC	New	840,976	$60.7M	0.7%	-78.28%	58
JPMORGAN CHASE & CO	Decreased	820,990(-8.7%)	$59.2M	0.0%	-53.82%	0
TUDOR INVESTMENT CORP ET AL	New	733,010	$52.9M	0.1%	-78.28%	41
WELLINGTON MANAGEMENT GROUP LLP	Decreased	723,118(-92.8%)	$52.2M	0.0%	-57.44%	0
BANK OF AMERICA CORP /DE/	Decreased	706,665(-59.0%)	$51M	0.0%	-49.44%	0
Verition Fund Management LLC	Increased	680,721(+1800.0%)	$49.1M	0.2%	-77.62%	56
Woodline Partners LP	Increased	671,623(+107.4%)	$48.4M	0.2%	-69.06%	56
VOLORIDGE INVESTMENT MANAGEMENT, LLC	New	642,224	$46.3M	0.2%	-78.28%	48
Neuberger Berman Group LLC	Increased	622,439(+285.6%)	$44.9M	0.0%	-75.70%	47
BNP PARIBAS FINANCIAL MARKETS	Increased	610,547(+2137.2%)	$44M	0.0%	-77.76%	47
LMR Partners LLP	New	598,525	$43.2M	0.1%	-78.28%	40
Sculptor Capital LP	New	566,000	$40.8M	0.4%	-78.28%	48
BARCLAYS PLC	Increased	531,203(+50.8%)	$38.3M	0.0%	-65.75%	40
WESTFIELD CAPITAL MANAGEMENT CO LP	New	471,127	$34M	0.1%	-78.28%	48
CITIGROUP INC	Increased	467,686(+1494.7%)	$33.7M	0.0%	-77.46%	47
Schonfeld Strategic Advisors LLC	New	439,812	$31.7M	0.1%	-78.28%	48
PICTON MAHONEY ASSET MANAGEMENT	New	425,000	$30.7M	0.2%	-78.28%	48
Bank of New York Mellon Corp	Increased	417,539(+9.3%)	$30.1M	0.0%	-49.70%	32
Capula Management Ltd	New	389,566	$28.1M	0.1%	-78.28%	48
GABELLI FUNDS LLC	New	328,616	$23.7M	0.2%	-78.28%	47
Allianz Asset Management GmbH	Increased	309,887(+2037.2%)	$22.4M	0.0%	-77.86%	46
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	268,393(+491.7%)	$19.4M	0.0%	-75.96%	46
Nuveen, LLC	Increased	251,460(+18.4%)	$18.1M	0.0%	-58.67%	33
Hudson Bay Capital Management LP	Increased	218,226(+627.4%)	$15.7M	0.1%	-76.34%	45
Swiss National Bank	Increased	215,800(+3.4%)	$15.6M	0.0%	-46.75%	29
MARSHALL WACE, LLP	Decreased	212,581(-66.8%)	$15.3M	0.0%	-62.08%	0
WELLS FARGO & COMPANY/MN	Decreased	210,604(-31.5%)	$15.2M	0.0%	-34.11%	0
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Increased	188,807(+8.5%)	$13.6M	0.0%	-58.09%	30
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	New	185,000	$13.3M	0.0%	-78.28%	39
FMR LLC	Decreased	183,229(-99.2%)	$13.2M	0.0%	-51.85%	0
M&T BANK CORP	New	141,051	$12.5M	0.0%	-78.28%	39
DEUTSCHE BANK AG\	Decreased	166,841(-37.0%)	$12M	0.0%	-31.48%	0
Grantham, Mayo, Van Otterloo & Co. LLC	New	154,455	$11.1M	0.0%	-78.28%	38
RHUMBLINE ADVISERS	Decreased	152,511(-3.5%)	$11M	0.0%	-35.66%	0
ExodusPoint Capital Management, LP	Increased	148,731(+152.8%)	$10.7M	0.1%	-74.09%	45
Ensign Peak Advisors, Inc	Decreased	122,393(-78.9%)	$8.8M	0.0%	-50.10%	0
Legal & General Group Plc	Decreased	112,756(-7.4%)	$8.1M	0.0%	-40.73%	0
Invesco Ltd.	Decreased	109,137(-42.1%)	$7.9M	0.0%	-44.55%	0
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	Increased	104,225(+16.7%)	$7.5M	0.0%	-50.60%	32
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Decreased	97,417(-20.5%)	$7M	0.0%	-61.64%	0
Pictet Asset Management Holding SA	Decreased	83,712(-93.7%)	$6M	0.0%	-61.03%	0
Rafferty Asset Management, LLC	Decreased	81,533(-53.0%)	$5.9M	0.0%	-49.49%	0
TORONTO DOMINION BANK	New	75,000	$5.4M	0.0%	-78.28%	37
PUBLIC SECTOR PENSION INVESTMENT BOARD	New	71,628	$5.2M	0.0%	-78.28%	37
Creative Planning	Increased	69,135(+32.1%)	$5M	0.0%	-64.49%	34
MetLife Investment Management, LLC	Increased	63,711(+7.5%)	$4.6M	0.0%	-49.85%	29
NEW YORK LIFE INVESTMENT MANAGEMENT LLC	New	62,920	$4.5M	0.0%	-78.28%	37
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Decreased	60,051(-77.4%)	$4.3M	0.0%	-35.19%	0
RAYMOND JAMES FINANCIAL INC	Decreased	57,078(-65.7%)	$4.1M	0.0%	-48.49%	0
Centiva Capital, LP	New	55,000	$4M	0.0%	-78.28%	37
DRIEHAUS CAPITAL MANAGEMENT LLC	Decreased	45,408(-25.0%)	$3.3M	0.0%	-63.24%	0
RENAISSANCE TECHNOLOGIES LLC	New	45,100	$3.3M	0.0%	-78.28%	37
INTECH INVESTMENT MANAGEMENT LLC	Decreased	44,454(-16.1%)	$3.2M	0.0%	-57.78%	0
Skandinaviska Enskilda Banken AB (publ)	New	44,000	$3.2M	0.0%	-78.28%	37
FIRST TRUST ADVISORS LP	New	39,890	$2.9M	0.0%	-78.28%	36
SIMPLEX TRADING, LLC	Decreased	38,607(-14.0%)	$2.8M	0.0%	-62.47%	0
State of New Jersey Common Pension Fund D	Decreased	37,873(-20.5%)	$2.7M	0.0%	-59.89%	0
Russell Investments Group, Ltd.	Decreased	37,523(-81.7%)	$2.7M	0.0%	-63.19%	0
Tidal Investments LLC	New	36,440	$2.6M	0.0%	-78.28%	36
Erste Asset Management GmbH	Unchanged	36,000	$2.6M	0.0%	-63.24%	0
Zurcher Kantonalbank (Zurich Cantonalbank)	Increased	35,122(+22.5%)	$2.5M	0.0%	-56.89%	32
NEW YORK STATE COMMON RETIREMENT FUND	Decreased	34,594(-91.2%)	$2.5M	0.0%	-53.14%	0
HSBC HOLDINGS PLC	New	32,729	$2.4M	0.0%	-78.28%	36
ProShare Advisors LLC	Increased	32,086(+45.7%)	$2.3M	0.0%	-61.82%	35
Police & Firemen's Retirement System of New Jersey	Increased	31,202(+9.5%)	$2.3M	0.0%	-54.17%	29
FRANKLIN RESOURCES INC	Decreased	31,180(-4.3%)	$2.2M	0.0%	-62.10%	0
Arizona State Retirement System	Decreased	30,510(-4.4%)	$2.2M	0.0%	-40.38%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	29,769(-92.3%)	$2.1M	0.0%	-38.50%	0
GUGGENHEIM CAPITAL LLC	Decreased	29,620(-5.5%)	$2.1M	0.0%	-62.45%	0
STRS OHIO	Increased	26,000(+152.4%)	$1.9M	0.0%	-73.93%	42
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	Decreased	25,237(-1.0%)	$1.8M	0.0%	-37.43%	0
Alberta Investment Management Corp	New	25,000	$1.8M	0.0%	-78.28%	36
KLP KAPITALFORVALTNING AS	Unchanged	23,300	$1.7M	0.0%	-50.48%	0
Virtu Financial LLC	New	21,575	$1.6M	0.1%	-78.28%	35
Blackstone Inc.	New	21,470	$1.5M	0.0%	-78.28%	35
VOYA INVESTMENT MANAGEMENT LLC	Decreased	20,348(-94.1%)	$1.5M	0.0%	-60.02%	0
GROUP ONE TRADING LLC	Decreased	18,571(-52.6%)	$1.3M	0.0%	-56.56%	0
TEACHER RETIREMENT SYSTEM OF TEXAS	Decreased	16,252(-26.7%)	$1.2M	0.0%	-37.32%	0
VICTORY CAPITAL MANAGEMENT INC	Decreased	15,908(-94.5%)	$1.1M	0.0%	-62.11%	0
AQR CAPITAL MANAGEMENT LLC	New	14,149	$1M	0.0%	-78.28%	35
Universal- Beteiligungs- und Servicegesellschaft mbH	Decreased	13,755(-82.8%)	$992,148	0.0%	-46.84%	0
AMERIPRISE FINANCIAL INC	Decreased	13,164(-4.5%)	$949,520	0.0%	-48.19%	0
SEI INVESTMENTS CO	Decreased	13,031(-82.2%)	$939,909	0.0%	-50.47%	0
Brevan Howard Capital Management LP	Decreased	12,873(-14.1%)	$928,529	0.0%	-63.24%	0
Quantinno Capital Management LP	Increased	11,235(+2.2%)	$810,381	0.0%	-53.73%	25
IMC-Chicago, LLC	New	11,016	$794,584	0.0%	-78.28%	34
Vanguard Personalized Indexing Management, LLC	Increased	10,695(+9.2%)	$771,430	0.0%	-55.54%	27
Corient Private Wealth LLC	New	9,550	$688,842	0.0%	-78.28%	34
NATIXIS	New	9,325	$672,612	0.0%	-78.28%	34
XPONANCE LLC	Increased	9,143(+14.5%)	$659,485	0.0%	-63.63%	28
NewEdge Advisors, LLC	Decreased	8,615(-70.5%)	$621,400	0.0%	-59.79%	0
LPL Financial LLC	Decreased	8,614(-50.5%)	$621,328	0.0%	-55.90%	0
AMERICAN CENTURY COMPANIES INC	New	7,985	$575,958	0.0%	-78.28%	34
CIBC WORLD MARKETS CORP	Decreased	7,658(-45.7%)	$552,372	0.0%	-48.80%	0
Steward Partners Investment Advisory, LLC	Decreased	7,626(-74.0%)	$550,063	0.0%	-30.66%	0
Mirae Asset Global Investments Co., Ltd.	Decreased	7,322(-66.3%)	$528,136	0.0%	-51.52%	0
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	Increased	7,299(+51.3%)	$526,477	0.0%	-70.23%	34
MACKENZIE FINANCIAL CORP	Increased	7,255(+14.9%)	$522,418	0.0%	-57.44%	28
PRUDENTIAL FINANCIAL INC	Decreased	7,060(-91.7%)	$509,238	0.0%	-49.74%	0
PRINCIPAL FINANCIAL GROUP INC	Decreased	6,668(-13.9%)	$480,962	0.0%	+5.59%	0
ENVESTNET ASSET MANAGEMENT INC	Decreased	6,000(-96.7%)	$432,780	0.0%	-61.28%	0
ASSETMARK, INC	Decreased	5,967(-88.3%)	$430,400	0.0%	-59.51%	0
STATE OF WISCONSIN INVESTMENT BOARD	Decreased	5,588(-90.1%)	$403,062	0.0%	-45.90%	0
CIBC Asset Management Inc	New	5,432	$391,810	0.0%	-78.28%	33
ROYAL BANK OF CANADA	Decreased	5,131(-98.4%)	$369,000	0.0%	-46.13%	0
US BANCORP \DE\	Decreased	4,988(-6.5%)	$359,785	0.0%	-24.41%	0
Swiss Life Asset Management Ltd	Increased	4,954(+1.1%)	$357,332	0.0%	-63.52%	24
JANE STREET GROUP, LLC	Decreased	4,734(-84.8%)	$341,463	0.0%	-41.51%	0
PNC FINANCIAL SERVICES GROUP, INC.	Increased	4,442(+127.3%)	$320,401	0.0%	-71.71%	38
Empowered Funds, LLC	New	4,196	$302,657	0.0%	-78.28%	32
Amundi	New	3,939	$284,120	0.0%	-78.28%	32
NISA INVESTMENT ADVISORS, LLC	Decreased	3,653(-5.8%)	$263,491	0.0%	-17.47%	0
GAMCO INVESTORS, INC. ET AL	New	3,500	$252,455	0.0%	-78.28%	32
Mitsubishi UFJ Asset Management Co., Ltd.	Decreased	3,396(-54.6%)	$244,852	0.0%	-6.43%	0
Marex Group plc	Decreased	3,371(-93.5%)	$243,150	0.0%	-63.24%	0
Engineers Gate Manager LP	New	3,298	$237,885	0.0%	-78.28%	32
Private Advisor Group, LLC	Decreased	3,000(-36.4%)	$216,390	0.0%	-63.24%	0
Eurizon Capital SGR S.p.A.	New	2,778	$200,194	0.0%	-78.28%	32
Walleye Trading LLC	New	2,500	$180,325	0.0%	-78.28%	31
DANSKE BANK A/S	New	1,900	$137,047	0.0%	-78.28%	31
Farther Finance Advisors, LLC	Increased	1,398(+507.8%)	$100,838	0.0%	-76.32%	35
Allworth Financial LP	Decreased	595(-30.5%)	$42,918	0.0%	-28.53%	0
LOS ANGELES CAPITAL MANAGEMENT LLC	New	492	$34,287	0.0%	-78.28%	27
Rockefeller Capital Management L.P.	Increased	474(+23.8%)	$34,190	0.0%	-67.56%	24
Optiver Holding B.V.	Decreased	398(-41.2%)	$28,708	0.0%	-48.43%	0
OSAIC HOLDINGS, INC.	Decreased	305(-90.4%)	$21,999	0.0%	-56.37%	0
JONES FINANCIAL COMPANIES LLLP	Increased	284(+42.7%)	$20,485	0.0%	-64.17%	17
COMERICA BANK	Decreased	158(-88.2%)	$11,369	0.0%	-61.33%	0
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	142,888(-98.5%)	$10,307	0.0%	-44.08%	0
BNP Paribas Asset Management Holding S.A.	New	56,587	$4,082	0.0%	-78.28%	20
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	New	15	$1,082	0.0%	-78.28%	17
MAI Capital Management	New	1	$73	0.0%	-78.28%	17
Artisan Partners Limited Partnership	Exited	0(-100.0%)	$39.4M	0.0%	+274.69%	0
D. E. Shaw & Co., Inc.	Exited	0(-100.0%)	$504,410	0.0%	+148.54%	0
DnB Asset Management AS	Exited	0(-100.0%)	$325,642	0.0%	+69.25%	0
Cetera Investment Advisers	Exited	0(-100.0%)	$526,848	0.0%	+69.25%	0
XTX Topco Ltd	Exited	0(-100.0%)	$681,958	0.0%	+69.25%	0
Fiera Capital Corp	Exited	0(-100.0%)	$52.4M	0.0%	+84.92%	0
Clearbridge Investments, LLC	Exited	0(-100.0%)	$32.3M	0.0%	+69.25%	0
Integrated Wealth Concepts LLC	Exited	0(-100.0%)	$206,303	0.0%	+69.25%	0
MML INVESTORS SERVICES, LLC	Exited	0(-100.0%)	$2M	0.0%	+69.25%	0
Federation des caisses Desjardins du Quebec	Exited	0(-100.0%)	$7,189	0.0%	+255.77%	0
BAKER BROS. ADVISORS LP	Exited	0(-100.0%)	$27.2M	0.0%	+69.25%	0
Candriam S.C.A.	Exited	0(-100.0%)	$21.3M	0.0%	+82.53%	0
CULLEN/FROST BANKERS, INC.	Exited	0(-100.0%)	$2,179	0.0%	+69.25%	0
Polar Capital Holdings Plc	Exited	0(-100.0%)	$121.9M	0.0%	+80.39%	0
CANTOR FITZGERALD, L. P.	Exited	0(-100.0%)	$5M	0.0%	+69.25%	0
Caption Management, LLC	Exited	0(-100.0%)	$528,853	0.0%	+69.25%	0
Orion Porfolio Solutions, LLC	Exited	0(-100.0%)	$1.3M	0.0%	+88.64%	0
Sumitomo Mitsui Trust Group, Inc.	Exited	0(-100.0%)	$337,885	0.0%	+69.25%	0
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC	Exited	0(-100.0%)	$6.5M	0.0%	+296.62%	0
SCHRODER INVESTMENT MANAGEMENT GROUP	Exited	0(-100.0%)	$17.3M	0.0%	+122.43%	0
TD ASSET MANAGEMENT INC	Exited	0(-100.0%)	$19.9M	0.0%	+128.35%	0
Wealthspire Advisors, LLC	Exited	0(-100.0%)	$174	0.0%	+69.25%	0
NEOS Investment Management LLC	Exited	0(-100.0%)	$521,881	0.0%	+69.25%	0
Assenagon Asset Management S.A.	Exited	0(-100.0%)	$2M	0.0%	+89.10%	0
Waverly Advisors, LLC	Exited	0(-100.0%)	$358,494	0.0%	+146.76%	0
BANQUE PICTET & CIE SA	Exited	0(-100.0%)	$433,173	0.0%	+69.25%	0
RTW INVESTMENTS, LP	Exited	0(-100.0%)	$495.5M	0.0%	+149.26%	0
ALPS ADVISORS INC	Exited	0(-100.0%)	$3.1M	0.0%	+166.80%	0
NOMURA ASSET MANAGEMENT CO LTD	Exited	0	$0	0.0%	+76.62%	0
Alyeska Investment Group, L.P.	Exited	0(-100.0%)	$7.6M	0.0%	+94.86%	0
STIFEL FINANCIAL CORP	Exited	0(-100.0%)	$868,613	0.0%	+88.79%	0
FRED ALGER MANAGEMENT, LLC	Exited	0(-100.0%)	$286,037	0.0%	+69.25%	0
TRUIST FINANCIAL CORP	Exited	0(-100.0%)	$201,598	0.0%	+69.25%	0
Aberdeen Group plc	Exited	0(-100.0%)	$13.3M	0.0%	+136.50%	0

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