13F

Stock

Altimmune, Inc.

ALT · held by 171 managers

Reported value

$212.1M

Holders

171

+24 new · −36 exited

Holders’ est. mark

−$18.8M

Price effect on 142 books still in the name

Largest holder

$39.4M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.12.8M$39.4M−$5.14MAdded$4.38M
State Street7.15M$22M−$2.71MAdded$3.53M
VANGUARD CAPITAL MANAGEMENT LLC5.66M$17.4MHeld
VANGUARD PORTFOLIO MANAGEMENT LLC5.38M$16.6MHeld
MARSHALL WACE, LLP4.02M$12.4M−$489.1KAdded$9.04M
MILLENNIUM MANAGEMENT LLC3.26M$10M−$109.9KAdded$9.29M
GEODE CAPITAL MANAGEMENT, LLC3.11M$9.57M−$1.22MAdded$1.29M
Alyeska Investment Group, L.P.2.64M$8.15MNew
TWO SIGMA INVESTMENTS, LP2.48M$7.64M−$670.8KAdded$3.07M
Nuveen, LLC2.33M$7.19M−$659.4KAdded$2.7M
GOLDMAN SACHS GROUP INC1.35M$4.16M−$715.1KCut−$710.9K
SUSQUEHANNA INTERNATIONAL GROUP, LLP1.33M$4.08M−$702.8KCut−$858.2K
DIMENSIONAL FUND ADVISORS LP1.05M$3.22M−$150.6KAdded$2.2M
NORTHERN TRUST CORP996.7K$3.07M−$379.5KAdded$485.2K
UBS Group AG904.8K$2.79M−$340.3KAdded$468.9K
VANGUARD FIDUCIARY TRUST CO869.3K$2.68MHeld
MORGAN STANLEY775.3K$2.39M−$410.9KCut−$2.52M
D. E. Shaw & Co., Inc.727K$2.24M−$385.3KCut−$2.61M
Fidelity674K$2.08M−$299KAdded$39.4K
TANG CAPITAL MANAGEMENT LLC666K$2.05M−$353KCut−$5.64M
Point72 Asset Management, L.P.665.3K$2.05MNew
SCHRODER INVESTMENT MANAGEMENT GROUP667.8K$1.92M−$342.4KAdded$230.2K
BANK OF AMERICA CORP /DE/570.2K$1.76M−$203.4KAdded$370.8K
Citadel448.9K$1.38M−$237.9KCut−$3.45M
BNP PARIBAS FINANCIAL MARKETS435.1K$1.34M−$94KAdded$700K
Bank of New York Mellon Corp413.5K$1.27M−$187.7KCut−$5.08K
Beirne Wealth Consulting Services, LLC411.9K$1.27M−$199.5KCut−$90.5K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC351.7K$1.08M−$150.3KAdded$59.1K
Steward Partners Investment Advisory, LLC251.8K$775.5K−$130.1KCut−$110.4K
WELLINGTON MANAGEMENT GROUP LLP248.2K$764.3K−$131.5KCut−$164.4K
MANGROVE PARTNERS IM, LLC239.3K$737KNew
Baird Financial Group, Inc.237.5K$731.6K−$63.3KAdded$300.4K
BROWN WEALTH MANAGEMENT, LLC236.1K$727.3K−$125.2KCut−$206.5K
Rafferty Asset Management, LLC231.3K$712.3K−$103.8KAdded$5.6K
Invesco Ltd.227.9K$701.8K−$113.9KCut−$73.7K
Hennion & Walsh Asset Management, Inc.202K$622.1K−$107.1KCut−$152.7K
BARCLAYS PLC192.9K$594K−$102.2KCut−$852.1K
COMMONWEALTH EQUITY SERVICES, LLC160.4K$493.9K−$85KCut−$161.2K
Knoll Capital Management, LLC160K$492.8K−$84.8KCut−$3.56M
RHUMBLINE ADVISERS155.7K$479.5K−$64.4KAdded$40.8K
HSBC HOLDINGS PLC154.4K$476.2K−$66.1KAdded$2.2K
STIFEL FINANCIAL CORP134.6K$414.6K−$65.4KCut−$30.9K
WEALTH EFFECTS LLC131.9K$406.4K−$59.2KAdded$2.99K
Man Group plc129.8K$399.9K−$10KAdded$331.6K
Grantham, Mayo, Van Otterloo & Co. LLC126.4K$389.3K−$67KCut−$233.7K
DEUTSCHE BANK AG\124.5K$383.5K−$42.4KAdded$94.9K
JPMORGAN CHASE & CO127.5K$367.2K−$76.3KCut−$10.2K
Engineers Gate Manager LP116.1K$357.6K−$46.2KAdded$42.6K
Jefferies Financial Group Inc.110K$338.8K−$58.3KCut−$230.9K
ALPS ADVISORS INC105.9K$326.1K−$45.4KAdded$16.8K
LPL Financial LLC103.8K$319.6K−$25.8KAdded$144K
SILVERCREST ASSET MANAGEMENT GROUP LLC103.5K$318.8K−$54.9KCut−$54.9K
Summit Financial Wealth Advisors, LLC103.3K$318.1K−$54.7KCut−$54.7K
PROFUND ADVISORS LLC103.1K$317.7K−$38.3KAdded$56.7K
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.100K$308K−$53KCut−$53K
WELLS FARGO & COMPANY/MN95.9K$295.4K−$50.8KCut−$214.6K
Icahn Capital85.5K$263.2K−$11.2KAdded$186.9K
ALLIANCEBERNSTEIN L.P.71.8K$259.1K$0Held
Brevan Howard Capital Management LP78.4K$241.5K−$41.6KCut−$170.5K
KINGSWOOD WEALTH ADVISORS, LLC76.5K$235.6K−$19.1KAdded$105.7K
CITIGROUP INC76.3K$235.1K−$15KAdded$132.8K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.77.3K$234.8K−$30KAdded$45.1K
Caption Management, LLC74.4K$229.3K−$39.5KCut−$39.5K
MetLife Investment Management, LLC72.2K$222.4K−$20.2KAdded$84.5K
AMERIPRISE FINANCIAL INC72K$221.7K−$38.1KCut−$44.9K
Leonteq Securities AG65K$200.2K−$530Added$196.6K
AMERICAN CENTURY COMPANIES INC62.9K$193.8KNew
RAYMOND JAMES FINANCIAL INC53.8K$165.7K−$28.5KCut−$36K
CANADA PENSION PLAN INVESTMENT BOARD53.3K$164.2K−$15.9KAdded$55.9K
Virtus Investment Advisers, LLC51.7K$159.4K−$26.8KCut−$22.9K
ExodusPoint Capital Management, LP48.6K$149.7K−$6.32KAdded$106.7K
AXQ CAPITAL, LP47.8K$147.1K−$13.6KAdded$54.3K
Rockefeller Capital Management L.P.46.4K$142.8K−$22.9KCut−$13K
Vanguard Global Advisers, LLC42.8K$131.9KHeld
Creative Planning39.2K$120.8K−$20.8KCut−$48.4K
Kovack Advisors, Inc.36.3K$111.7K−$18.7KCut−$15.5K
EverSource Wealth Advisors, LLC35.6K$109.8K−$9.37KAdded$46K
Cetera Investment Advisers35.5K$109.2K−$15.7KAdded$2.02K
Police & Firemen's Retirement System of New Jersey35.4K$109.1K−$12.5KAdded$24K
MANUFACTURERS LIFE INSURANCE COMPANY, THE34.8K$107.1K−$14.6KAdded$7.45K
MML INVESTORS SERVICES, LLC34.5K$106.4K−$18.3KCut−$18.3K
INTECH INVESTMENT MANAGEMENT LLC30.8K$94.7K−$16.3KCut−$95K
Corient Private Wealth LLC30.6K$94.1KNew
HUB Investment Partners, LLC30.2K$93.1K−$7.54KAdded$41.7K
E Fund Management Co., Ltd.29.1K$89.5KHeld
BLAIR WILLIAM & CO/IL28.2K$86.9K−$15KCut−$116.8K
FARALLON CAPITAL MANAGEMENT LLC27.6K$85K−$14.6KCut−$14.6K
Voleon Capital Management LP27.1K$83.6K−$14.4KCut−$86.3K
Concurrent Investment Advisors, LLC26.5K$81.6K−$14KCut−$14K
JONES FINANCIAL COMPANIES LLLP25.9K$78.1K−$7.39KAdded$32.9K
ROYAL BANK OF CANADA25.3K$78K−$13.4KCut−$21K
ProShare Advisors LLC24.5K$75.5K−$11KAdded$384
Polymer Capital Management (US) LLC24K$73.9KNew
SIMPLEX TRADING, LLC22.8K$70.3KNew
China Universal Asset Management Co., Ltd.22.2K$68.4K−$9.01KAdded$7.07K
Scientech Research LLC21.8K$67.3KNew
PRUDENTIAL FINANCIAL INC21.8K$67.1KNew
NEW YORK STATE COMMON RETIREMENT FUND21.4K$66.1K−$11.4KCut−$11.4K
VOYA INVESTMENT MANAGEMENT LLC21K$64.7K−$7.26KAdded$15.3K
OSAIC HOLDINGS, INC.20.7K$63.7K−$10KCut−$4.69K
Vontobel Holding Ltd.20K$61.6K−$7.95KAdded$7.45K
Vines Capital Management, LLC18.9K$58.2K−$9.48KCut−$6.4K
Keudell/Morrison Wealth Management18.5K$57K−$9.8KCut−$9.8K
Squarepoint Ops LLC18.1K$55.8K−$9.61KCut−$70.3K
Caitong International Asset Management Co., Ltd17.2K$53K−$1.02KAdded$46.1K
Composition Wealth, LLC17K$52.4K−$9.01KCut−$9.08K
North Star Investment Management Corp.17K$52.4K−$4.24KAdded$23.5K
CHOREO, LLC16.7K$51.4KNew
EFG International AG16.5K$50.8K−$8.74KCut−$8.74K
Russell Investments Group, Ltd.16.1K$49.6K−$7.7KCut−$2.92K
Advisory Services Network, LLC15.3K$47K−$8.04KCut−$7.73K
VICTORY CAPITAL MANAGEMENT INC14.8K$45.5K−$6.32KAdded$2.4K
DCF Advisers, LLC14.7K$45.3K−$7.79KCut−$22.2K
Tower Research Capital LLC (TRC)14.5K$44.6K−$4.34KAdded$15.1K
MARTINGALE ASSET MANAGEMENT L P14.4K$44.2K−$7.61KCut−$7.61K
Northeast Financial Group, Inc.13.6K$42K−$7.1KCut−$6.33K
PFG Investments, LLC13.5K$41.6KNew
SMITH, MOORE & CO.13.2K$40.7KNew
NINE MASTS CAPITAL Ltd11.8K$36.5KNew
Legal & General Group Plc11.5K$35.4K−$4.96KAdded$1.61K
FOUNDATIONS INVESTMENT ADVISORS, LLC11.1K$34KNew
Sunbelt Securities, Inc.10.9K$33.5K−$5.75KCut−$5.67K
XPONANCE LLC10.8K$33.2KNew
Ameritas Investment Partners, Inc.10.7K$32.9K−$3.69KAdded$7.79K
Quantinno Capital Management LP10.6K$32.8KNew
CreativeOne Wealth, LLC10.5K$32.3K−$5.56KCut−$5.57K
Vanguard Personalized Indexing Management, LLC10.1K$31.2KNew
IMC-Chicago, LLC10K$30.8K−$5.3KCut−$594.2K
Geneos Wealth Management Inc.10K$30.8K−$5.3KCut−$5.3K
SBI Securities Co., Ltd.8.31K$25.6K−$4.41KCut−$6.3K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM7.12K$21.9K−$2.89KAdded$2.23K
GROUP ONE TRADING LLC6.7K$20.6K−$3.55KCut−$92.6K
Mirae Asset Global Investments Co., Ltd.6.53K$20.1K−$2.69KAdded$1.82K
Activest Wealth Management5K$15.4K−$2.65KCut−$2.65K
CWM, LLC4.52K$13.9K$9.48KAdded$13.9K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC4.15K$12.8K−$356Added$10.4K
Optiver Holding B.V.3.86K$11.9KNew
BELLEVUE ASSET MANAGEMENT, LLC2.43K$7.49KNew
GF FUND MANAGEMENT CO. LTD.2.33K$7.18K−$1.09KCut−$218
HighMark Wealth Management LLC2K$6.16K−$1.06KCut−$1.06K
PNC Financial Services Group, Inc.1.55K$4.78K−$823Cut−$3.93K
MassMutual Private Wealth & Trust, FSB1K$3.08K−$487Cut−$234
US BANCORP \DE\890$2.74K−$296Added$723
Sterling Capital Management LLC847$2.61K−$280Added$696
Stone House Investment Management, LLC526$1.62K−$265Cut−$185
Arax Advisory Partners339$1.04K−$179Cut−$28.4K
Bogart Wealth, LLC298$918New
ELEVATION WEALTH PARTNERS, LLC286$881−$152Cut−$152
Legacy Wealth Managment, LLC/ID250$770−$133Cut−$133
Janney Montgomery Scott LLC172.6K$532−$54Added$162
MAI Capital Management150$462−$80Cut−$80
Farther Finance Advisors, LLC141$440−$36Added$176
HARBOUR INVESTMENTS, INC.100$308New
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO100$308−$53Cut−$53
NISA INVESTMENT ADVISORS, LLC95$293−$50Cut−$50
PRICE T ROWE ASSOCIATES INC /MD/92.5K$285−$27Added$104
Virtu Financial LLC70.5K$217−$31Added$6
Allworth Financial LP70$216−$37Cut−$106
SG Americas Securities, LLC55.6K$171−$5Added$133
Parallel Advisors, LLC40$123−$21Cut−$21
Clearstead Advisors, LLC40$122−$21Cut−$21
Essential Partners LLC27$83New
SJS Investment Consulting Inc.16$50New
Bernard Wealth Management Corp.15$47−$8Cut−$8
ROTHSCHILD INVESTMENT LLC13$40−$1Added$36
Cambridge Investment Research Advisors, Inc.11.2K$35New
ACADIAN ASSET MANAGEMENT LLC7.31K$22−$4Cut−$106
Larson Financial Group LLC5$15−$3Cut−$19.1K
FIRST HORIZON CORP3$9−$2Cut−$2
HUNTINGTON NATIONAL BANK2$6−$1Cut−$1
Walleye Capital LLC2$6−$1Cut−$237K

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.