13FBOX
ALTIMMUNE INC · 13F Institutional Holdings
Options Calculator Rankings

ALTIMMUNE INC

ALT
Institutions
213
Combined AUM (Q2 2026)
$472.1M
Combined Shares (Q2 2026)
155.3M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+89.3M
146 · 57 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-6.9M
51 · 18 Exit · ≈
⚖️ Net
+82.4M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$472.1M
Institutions
213
New Buys
57
Adds
89
Reduces
33
Exits
18
Unchanged
34
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
<0.01%<0.01%#85$62.0M20.4M$39.4M12.8M+7.6M+59.32%Add
Deep Track Capital, LP
0.85%#3$58.5M19.3M$00+19.3MNew Buy
STATE STREET CORP
<0.01%<0.01%#79$36.8M12.1M$22.0M7.1M+5.0M+69.32%Add
TCG Crossover Management, LLC
0.73%#4$30.4M10.0M$00+10.0MNew Buy
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#110$24.9M8.2M$17.4M5.7M+2.5M+44.53%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#80$22.3M7.3M$16.6M5.4M+1.9M+36.20%Add
MARSHALL WACE, LLP
0.02%0.01%#28$20.8M6.8M$12.4M4.0M+2.8M+70.26%Add
VIKING GLOBAL INVESTORS LP
0.06%#18$20.4M6.7M$00+6.7MNew Buy
RA CAPITAL MANAGEMENT, L.P.
0.17%#9$19.8M6.5M$00+6.5MNew Buy
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#90$15.2M5.0M$9.6M3.1M+1.9M+61.29%Add
Woodline Partners LP
0.03%#24$10.3M3.4M$00+3.4MNew Buy
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#53$10.1M3.3M$10.0M3.3M+50,931+1.56%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#96$8.7M2.9M$7.5M2.4M+413,722+16.94%Add
Trails Edge Capital Partners, LP
1.28%#1$8.1M2.7M$00+2.7MNew Buy
Nuveen, LLC
<0.01%<0.01%#68$7.3M2.4M$7.2M2.3M+70,753+3.03%Add
TWO SIGMA INVESTMENTS, LP
0.01%0.01%#43$7.2M2.4M$7.6M2.5M-97,758-3.94%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#101$6.7M2.2M$4.2M1.4M+863,801+63.95%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#99$5.3M1.7M$3.0M982,373+760,186+77.38%Add
GREAT POINT PARTNERS LLC
1%#2$5.3M1.7M$00+1.7MNew Buy
NORTHERN TRUST CORP
<0.01%<0.01%#104$4.9M1.6M$3.1M996,721+602,505+60.45%Add
Weiss Asset Management LP
0.05%#19$4.7M1.5M$00+1.5MNew Buy
Nantahala Capital Management, LLC
0.15%#11$4.6M1.5M$00+1.5MNew Buy
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#87$3.9M1.3M$2.7M869,318+423,683+48.74%Add
Cormorant Asset Management, LP
0.19%#8$3.8M1.3M$00+1.3MNew Buy
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#76$3.7M1.2M$263,19885,454+1.1M+1,328.78%Add
GROUP ONE TRADING LLC
<0.01%<0.01%#47$3.5M1.2M$20,6216,695+1.2M+17,242.79%Add
UBS Group AG
<0.01%<0.01%#125$2.6M866,385$2.8M904,768-38,383-4.24%Reduce
MORGAN STANLEY
<0.01%<0.01%#159$2.3M758,435$5.6M1.5M-732,614-49.13%Reduce
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#147$2.3M757,919$1.8M570,203+187,716+32.92%Add
Ghisallo Capital Management LLC
0.01%#30$2.3M750,000$00+750,000New Buy
FMR LLC
<0.01%<0.01%#168$2.3M748,974$2.1M673,964+75,010+11.13%Add
Bank of New York Mellon Corp
<0.01%<0.01%#124$2.1M689,713$1.3M413,503+276,210+66.80%Add
TANG CAPITAL MANAGEMENT LLC
0.09%0.1%#15$2.0M666,022$2.1M666,02200.00%Unchanged
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#122$1.9M639,436$3.2M1.0M-406,490-38.86%Reduce
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#132$1.9M624,499$1.1M351,681+272,818+77.58%Add
Hennion & Walsh Asset Management, Inc.
0.04%0.02%#22$1.6M518,198$622,126201,989+316,209+156.55%Add
Point72 Asset Management, L.P.
<0.01%<0.01%#69$1.5M486,884$2.0M665,289-178,405-26.82%Reduce
Rock Springs Capital Management LP
0.07%#17$1.4M471,465$00+471,465New Buy
SIMPLEX TRADING, LLC
<0.01%<0.01%#86$1.4M468,600$70,35022,841+445,759+1,951.57%Add
Beirne Wealth Consulting Services, LLC
0.26%0.36%#6$1.3M421,858$1.3M411,858+10,000+2.43%Add
WELLINGTON MANAGEMENT GROUP LLP
<0.01%<0.01%#139$1.3M420,300$764,326248,158+172,142+69.37%Add
IMC-Chicago, LLC
<0.01%<0.01%#130$1.2M394,000$30,81210,004+383,996+3,838.42%Add
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#109$1.1M371,176$1.3M435,078-63,902-14.69%Reduce
BARCLAYS PLC
<0.01%<0.01%#145$1.1M351,587$594,042192,871+158,716+82.29%Add
Invesco Ltd.
<0.01%<0.01%#172$1.0M332,592$701,799227,857+104,735+45.97%Add
RHUMBLINE ADVISERS
<0.01%<0.01%#94$941,193309,606$479,456155,671+153,935+98.88%Add
Janney Montgomery Scott LLC
<0.01%<0.01%#67$919,934302,610$532,000172,610+130,000+75.31%Add
LMR Partners LLP
<0.01%#51$912,000300,000$00+300,000New Buy
CITIGROUP INC
<0.01%<0.01%#128$893,602293,948$235,08776,327+217,621+285.12%Add
JANE STREET GROUP, LLC
<0.01%<0.01%#178$841,472276,800$1.1M360,700-83,900-23.26%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow