NasdaqGS · as of Oct 13, 16:00 ET · 15m delayAfter hours 1.550.00%
Open
1.59
Prev close
1.59
Day range
1.541.61
52-week range
0.79802.95
Volume
367.13K0.47×
Mkt cap
228.42M
P/E ttm
—
Fwd P/E
-4.00
EPS ttm
-0.5800
Div yield
0.00%
Earnings
Aug 6, 2026
From 52w high
−47.44%
IFRX shareholders
HDS
IFRX Ownership
13F / N-PORT filings via Yahoo
Institutions
70.4%
72.5% of the float
Insiders
2.9%
officers and directors
Institutional holders
70
filing positions
Top 10 institutions
355.8%
10 adding · 0 trimming
INST
Top Institutions
Institutions
Holder
% held
Shares
Value
Change
As of
TCG Crossover Management, LLC
97.39%
14.50M
$22.47M
+100.0%
Jun 30, 2026
FMR, LLC
54.83%
8.16M
$12.65M
+100.0%
Jun 30, 2026
Commodore Capital Lp
49.03%
7.30M
$11.31M
+100.0%
Jun 30, 2026
Spruce Street Capital LP
35.95%
5.35M
$8.30M
+100.0%
Jun 30, 2026
683 Capital Management LLC
34.02%
5.07M
$7.85M
+52.8%
Jun 30, 2026
Farallon Capital Management LLC
22.33%
3.33M
$5.15M
+100.0%
Jun 30, 2026
Stempoint Capital LP
21.68%
3.23M
$5.00M
+100.0%
Jun 30, 2026
Great Point Partners LLC
20.46%
3.05M
$4.72M
+100.0%
Jun 30, 2026
Adar1 Capital Management, LLC
20.15%
3.00M
$4.65M
+1795.5%
Jun 30, 2026
Montanova Capital LLC
0.00%
22.93M
$35.55M
+189.1%
Jun 30, 2026
FUND
Top Funds
Funds
Holder
% held
Shares
Value
Change
As of
Fidelity Securities Fund-Fidelity Small Cap Growth Fund
22.10%
3.29M
$5.10M
0.0%
Jul 31, 2026
Fidelity Advisor Series VII-Fidelity Advisor Biotechnology Fund
21.47%
3.20M
$4.95M
0.0%
Aug 31, 2026
Fidelity Securities Fund-Fidelity Small Cap Growth K6 Fund
11.27%
1.68M
$2.60M
0.0%
Jul 31, 2026
Franklin Strategic Series-Franklin Biotechnology Discovery Fund
2.53%
376.11K
$582.96K
+100.0%
Jul 31, 2026
Invesco Exch-Trd Fd. TRT II-Invesco NASDAQ Future Gen 200 ETF
0.31%
46.54K
$72.14K
−0.1%
Aug 31, 2026
TIFF INVESTMENT PROGRAM-TIFF Multi-Asset Fund
0.16%
23.13K
$35.85K
−13.3%
Jun 30, 2026
John Hancock Variable Insurance Trust-Total Stock Market Index Trust
0.01%
1.36K
$2.11K
+100.0%
Jun 30, 2026
Institutions report quarterly, up to 45 days after the quarter ends, so these positions can be months old. Change compares the share count with the holder's previous filing. Insider transactions are on the overview page (INSD).