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Altimmune, Inc.

ALT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001326190

In the last 90 days, Altimmune, Inc. insiders filed 1 open-market purchase and 0 sales; 210 institutions reported holding it in 13F filings for Q2 2026, worth $456.1M in total; Viking Global Investors is the only superinvestor holding it.

13F holders, Q3 2022

Institutional positions in Altimmune, Inc. as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
122
+11 vs. Q2 2022
Shares held
46.0M
+6.14M (+15.4%) vs. Q2 2022
Total value
$588.1M
+$121.2M (+26.0%) vs. Q2 2022
New holders
40
39 more added
Sold out
29
27 more reduced

Compare with Q2 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2022: 122 institutions
Q1 2021: 98 institutionsQ2 2021: 109 institutionsQ3 2021: 119 institutionsQ4 2021: 102 institutionsQ1 2022: 103 institutionsQ2 2022: 111 institutionsQ3 2022: 122 institutionsQ4 2022: 128 institutionsQ1 2023: 133 institutionsQ2 2023: 120 institutionsQ3 2023: 113 institutionsQ4 2023: 143 institutionsQ1 2024: 171 institutionsQ2 2024: 173 institutionsQ3 2024: 169 institutionsQ4 2024: 183 institutionsQ1 2025: 177 institutionsQ2 2025: 180 institutionsQ3 2025: 159 institutionsQ4 2025: 183 institutionsQ1 2026: 173 institutionsQ2 2026: 210 institutions
Value heldQ3 2022: $588.1M
Q1 2021: $336.5MQ2 2021: $269.2MQ3 2021: $375.3MQ4 2021: $295.8MQ1 2022: $207.4MQ2 2022: $466.9MQ3 2022: $588.1MQ4 2022: $769.9MQ1 2023: $205.4MQ2 2023: $124.5MQ3 2023: $79.2MQ4 2023: $377.1MQ1 2024: $452.2MQ2 2024: $282.1MQ3 2024: $243.0MQ4 2024: $292.3MQ1 2025: $191.2MQ2 2025: $145.5MQ3 2025: $156.4MQ4 2025: $198.8MQ1 2026: $213.5MQ2 2026: $456.1M
Institutions holding ALT and their total value by quarter
QuarterHoldersValue
Q2 2026210$456.1M
Q1 2026173$213.5M
Q4 2025183$198.8M
Q3 2025159$156.4M
Q2 2025180$145.5M
Q1 2025177$191.2M
Q4 2024183$292.3M
Q3 2024169$243.0M
Q2 2024173$282.1M
Q1 2024171$452.2M
Q4 2023143$377.1M
Q3 2023113$79.2M
Q2 2023120$124.5M
Q1 2023133$205.4M
Q4 2022128$769.9M
Q3 2022122$588.1M
Q2 2022111$466.9M
Q1 2022103$207.4M
Q4 2021102$295.8M
Q3 2021119$375.3M
Q2 2021109$269.2M
Q1 202198$336.5M

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q2 2022.

Institutions holding ALT in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank2$00.00%00.0%Unchanged
First Horizon Advisors, Inc.3$00.00%00.0%Unchanged
Parallel Advisors, LLC40$1.00K0.00%−400−90.9%Reduced
Northwestern Mutual Wealth Management Co100$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC43$1.00K0.00%00.0%Unchanged
Avondale Wealth Management75$1.00K0.00%+75New
Daiwa Securities Group Inc.136$2.00K0.00%00.0%Unchanged
Fifth Third Bancorp250$3.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.372$5.00K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.459$6.00K0.00%+459New
Godsey & Gibb Associates611$8.00K0.01%00.0%Unchanged
Carmichael Hill & Associates, Inc.729$9.00K0.01%+729New
Dark Forest Capital Management LP1,696$22.0K0.00%+1,696New
US Bancorp1,984$25.0K0.00%00.0%Unchanged
Royal Bank of Canada2,466$31.0K0.00%−5,827−70.3%Reduced
Wells Fargo & Company5,485$70.0K0.00%−1,075−16.4%Reduced
AdvisorNet Financial, Inc6,089$78.0K0.01%00.0%Unchanged
Eagle Ridge Investment Management10,373$132.0K0.02%00.0%Unchanged
WealthPlan Investment Management, LLC13,179$135.0K0.01%+13,179New
Advisor Group Holdings, Inc.11,337$145.0K0.00%+3,105+37.7%Added
Cetera Advisors LLC12,400$158.0K0.00%−4,700−27.5%Reduced
Fox Run Management, L.L.C.12,823$164.0K0.06%+12,823New
Algert Global LLC13,280$170.0K0.01%+13,280New
SG Americas Securities, LLC14,062$180.0K0.00%+575+4.3%Added
LMR Partners LLP14,139$181.0K0.00%00.0%Unchanged
ETF Managers Group, LLC14,467$185.0K0.01%+812+5.9%Added
Telemetry Investments, L.L.C.14,500$185.0K0.30%+1,500+11.5%Added
Commonwealth Equity Services, LLC16,549$211.0K0.00%+16,549New
PDT Partners, LLC16,915$216.0K0.03%−39,351−69.9%Reduced
Charles Schwab Investment Management Inc17,274$221.0K0.00%00.0%Unchanged
Vahanian & Associates Financial Planning Inc.17,380$222.0K0.76%+17,380New
Tudor Investment Corp Et Al18,607$238.0K0.01%+18,607New
MML Investors Services, LLC20,000$255.0K0.00%00.0%Unchanged
SEI Investments Co20,263$259.0K0.00%+20,263New
CSS LLC20,546$262.0K0.02%+20,546New
E Fund Management Co., Ltd.20,640$264.0K0.02%+20,640New
Quantbot Technologies LP22,538$287.0K0.02%+22,538New
Bayesian Capital Management, LP25,409$324.0K0.07%+25,409New
Cutler Group LP25,561$326.0K0.04%+25,561New
Atom Investors LP26,818$342.0K0.12%−53,128−66.5%Reduced
Alps Advisors Inc26,779$342.0K0.00%+1,142+4.5%Added
Tower Research Capital LLC (TRC)29,136$373.0K0.01%+23,098+382.5%Added
IMC-Chicago, LLC30,014$383.0K0.03%+30,014New
Bank of Montreal20,065$391.0K0.00%+20,065New
Raymond James & Associates31,710$405.0K0.00%+31,710New
Weiss Multi-Strategy Advisers LLC32,600$416.0K0.01%+32,600New
Qube Research & Technologies Ltd34,579$442.0K0.00%+34,579New
Advisory Research Inc35,150$448.0K0.04%+35,150New
Wolverine Trading, LLC38,227$482.0K0.02%+14,085+58.3%Added
ClariVest Asset Management LLC38,100$487.0K0.02%−6,500−14.6%Reduced
Group One Trading, L.P.38,591$493.0K0.02%−150,483−79.6%Reduced
Campbell & CO Investment Adviser LLC39,317$502.0K0.11%+39,317New
FMR LLC40,713$520.0K0.00%+39,920+5,034.0%Added
Skandinaviska Enskilda Banken AB (publ)40,793$520.0K0.00%+40,793New
Gsa Capital Partners LLP42,621$544.0K0.07%−70,296−62.3%Reduced
Legal & General Group Plc53,547$684.0K0.00%+53,547New
Caption Management, LLC55,000$703.0K0.12%+36,193+192.4%Added
J. Goldman & Co LP55,935$714.0K0.05%+55,935New
UBS Group AG56,277$718.0K0.00%+55,769+10,978.1%Added
Ensign Peak Advisors, Inc57,300$732.0K0.00%+57,300New
Schonfeld Strategic Advisors LLC58,102$742.0K0.01%−120,898−67.5%Reduced
Picton Mahoney Asset Management58,350$744.0K0.03%+58,350New
Silvercrest Asset Management Group LLC62,500$798.0K0.01%00.0%Unchanged
Bank of New York Mellon Corp73,096$934.0K0.00%+24,051+49.0%Added
BNP Paribas Arbitrage, SA82,339$1.05M0.00%+81,194+7,091.2%Added
EAM Global Investors LLC84,821$1.08M0.29%−41,174−32.7%Reduced
Boothbay Fund Management, LLC86,911$1.11M0.04%−41,372−32.3%Reduced
Silverarc Capital Management, LLC100,469$1.28M0.54%+100,469New
Northern Trust Corp111,389$1.42M0.00%+9,600+9.4%Added
Platinum Investment Management Ltd118,730$1.52M0.06%+61,867+108.8%Added
Acuta Capital Partners, LLC125,000$1.60M0.71%+125,000New
Connor, Clark & Lunn Investment Management Ltd.127,562$1.63M0.01%+127,562New
Citadel Advisors LLC129,251$1.65M0.00%−1,018,607−88.7%Reduced
Price T Rowe Associates Inc134,614$1.72M0.00%+99,014+278.1%Added
Simplex Trading, LLC137,743$1.76M0.07%+12,481+10.0%Added
Tri Locum Partners LP157,303$2.01M0.57%−417,343−72.6%Reduced
Cubist Systematic Strategies, LLC170,947$2.18M0.02%+71,582+72.0%Added
Knoll Capital Management, LLC173,864$2.22M1.30%+40,886+30.7%Added
Dimensional Fund Advisors LP174,373$2.23M0.00%+51,009+41.3%Added
Susquehanna International Group, LLP175,287$2.24M0.00%+175,287New
Granite Point Capital Management, L.P.180,000$2.30M2.41%+180,000New
Jennison Associates LLC181,530$2.32M0.00%+72,066+65.8%Added
Barclays PLC187,964$2.40M0.00%−877,583−82.4%Reduced
Candriam Luxembourg S.C.A.200,000$2.55M0.02%+200,000New
EAM Investors, LLC205,167$2.62M0.57%+10,896+5.6%Added
Rock Springs Capital Management LP223,255$2.85M0.07%+223,255New
DCF Advisers, LLC229,000$2.92M2.16%−106,180−31.7%Reduced
Jane Street Group, LLC230,563$2.94M0.01%+186,349+421.5%Added
Bank of America Corp262,204$3.35M0.00%+197,231+303.6%Added
Sectoral Asset Management Inc269,100$3.44M0.68%+119,100+79.4%Added
Citigroup Inc272,106$3.48M0.00%−617,364−69.4%Reduced
Beirne Wealth Consulting Services, LLC282,820$3.61M1.37%−1,827−0.6%Reduced
Rafferty Asset Management, LLC300,331$3.83M0.04%+300,331New
VR Adviser, LLC369,306$4.72M0.73%00.0%Unchanged
Ghost Tree Capital, LLC435,000$5.55M2.27%+435,000New
Ikarian Capital, LLC472,054$6.03M3.01%−425,305−47.4%Reduced
Geode Capital Management, LLC476,067$6.08M0.00%+96,236+25.3%Added
Boxer Capital, LLC500,000$6.38M0.36%+500,000New
Millennium Management LLC505,727$6.46M0.01%−318,921−38.7%Reduced
Morgan Stanley591,910$7.56M0.00%−782,114−56.9%Reduced