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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.

Q1 2023 vs. Q4 2022

How the institutions holding Altimmune, Inc. changed between Q4 2022 and Q1 2023.

All holders in Q1 2023All holders in Q4 2022

13F holders of ALT: Q4 2022 compared with Q1 2023
MeasureQ4 2022Q1 2023Change
Holders128133+5
Shares46.8M43.4M−3.41M (−7.3%)
Value$769.9M$205.4M−$564.5M (−73.3%)

New holders (36)

Institutions that held Altimmune, Inc. at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to ALT in Q1 2023
InstitutionSharesValue% of portfolio
Occudo Quantitative Strategies LP434,048$1.83M0.17%
Jump Financial, LLC288,700$1.22M0.05%
Schonfeld Strategic Advisors LLC274,441$1.16M0.01%
Squarepoint Ops LLC214,264$904.2K0.01%
HRT Financial LP164,768$695.0K0.01%
Cubist Systematic Strategies, LLC99,468$419.8K0.00%
Profund Advisors LLC93,919$396.3K0.02%
Connor, Clark & Lunn Investment Management Ltd.78,557$331.5K0.00%
LMR Partners LLP76,976$324.8K0.01%
Tekla Capital Management LLC75,000$316.5K0.01%
Verition Fund Management LLC60,657$256.0K0.00%
Dana Investment Advisors, Inc.57,652$243.3K0.01%
HAP Trading, LLC52,113$220.0K0.05%
OrbiMed Advisors LLC50,600$213.5K0.00%
Brookfield Asset Management Inc.47,785$201.7K0.00%
Walleye Capital LLC47,239$199.3K0.00%
Dark Forest Capital Management LP43,935$185.4K0.04%
Dynamic Technology Lab Private Ltd42,357$179.0K0.02%
Ergoteles LLC42,122$177.8K0.01%
Two Sigma Securities, LLC33,495$141.3K0.01%
Y-Intercept (Hong Kong) Ltd32,695$138.0K0.02%
Fox Run Management, L.L.C.30,435$128.4K0.04%
Bayesian Capital Management, LP28,675$121.0K0.01%
Nomura Holdings Inc23,200$97.9K0.00%
Envestnet Asset Management Inc23,002$97.1K0.00%
AQR Capital Management LLC21,662$91.4K0.00%
XTX Topco Ltd21,271$89.8K0.02%
Mirae Asset Global Investments Co., Ltd.20,791$87.7K0.00%
Diametric Capital, LP19,356$81.7K0.04%
Pitcairn Co16,261$68.6K0.01%
Point72 Asset Management, L.P.13,987$59.0K0.00%
Boulder Hill Capital Management LP11,800$49.8K0.04%
Point72 Middle East FZE8,333$35.2K0.00%
PEAK6 Investments LLC2,600$11.0K0.00%
Federated Hermes, Inc.940$3.97K0.00%
Capstone Investment Advisors, LLC86$3630.00%

Sold out (31)

Institutions that held Altimmune, Inc. at the end of Q4 2022 and filed for Q1 2023 without it.