NasdaqCM · as of Oct 14, 16:00 ET · 15m delayAfter hours 8.880.00%
Open
8.62
Prev close
8.81
Day range
8.349.13
52-week range
5.2055.89
Volume
216.42K1.47×
Mkt cap
130.76M
P/E ttm
—
Fwd P/E
-2.01
EPS ttm
-9.88
Div yield
0.00%
Earnings
Aug 6, 2026
From 52w high
−84.11%
KRRO shareholders
HDS
KRRO Ownership
13F / N-PORT filings via Yahoo
Institutions
105.2%
106.2% of the float
Insiders
0.9%
officers and directors
Institutional holders
150
filing positions
Top 10 institutions
61.3%
2 adding · 2 trimming
INST
Top Institutions
Institutions
Holder
% held
Shares
Value
Change
As of
Lynx1 Capital Management Lp
10.45%
1.54M
$13.66M
0.0%
Jun 30, 2026
NEA Management Company, LLC
8.81%
1.30M
$11.53M
0.0%
Jun 30, 2026
Venrock Adviser, LLC
6.86%
1.01M
$8.96M
0.0%
Jun 30, 2026
Atlas Venture Life Science Advisors, LLC
6.54%
962.88K
$8.55M
−15.3%
Jun 30, 2026
Balyasny Asset Management LP
6.46%
951.78K
$8.45M
−8.5%
Jun 30, 2026
Blackrock Inc.
5.55%
817.62K
$7.26M
+77.7%
Jun 30, 2026
Affinity Asset Advisors, Llc
4.80%
706.90K
$6.28M
0.0%
Jun 30, 2026
Nantahala Capital Management, LLC
4.48%
660.04K
$5.86M
0.0%
Jun 30, 2026
Adage Capital Partners GP L.L.C.
3.67%
540.97K
$4.80M
+136.9%
Jun 30, 2026
Adar1 Capital Management, LLC
3.67%
540.05K
$4.80M
0.0%
Jun 30, 2026
FUND
Top Funds
Funds
Holder
% held
Shares
Value
Change
As of
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
2.11%
311.26K
$2.76M
+33.6%
Jun 30, 2026
iShares Trust-iShares Russell 2000 ETF
1.92%
282.79K
$2.51M
+0.7%
Aug 31, 2026
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund
0.92%
135.40K
$1.20M
+94.2%
Jun 30, 2026
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund
0.83%
121.94K
$1.08M
+0.6%
Jul 31, 2026
VANGUARD HORIZON FUNDS-Vanguard Strategic Small-Cap Equity Fund
0.72%
106.39K
$944.79K
+20.4%
Jun 30, 2026
iShares Trust-iShares Russell 2000 Value ETF
0.55%
81.73K
$725.73K
+0.5%
Aug 31, 2026
RBB Fund, Inc.-F/m Emerald Life Sciences Innovation ETF
0.43%
62.85K
$558.15K
+1.5%
May 31, 2026
Fidelity Concord Street Trust-Fidelity Extended Market Index Fund
0.42%
61.89K
$549.59K
+10.4%
Aug 31, 2026
iShares Trust-iShares Russell 2000 Growth ETF
0.40%
58.99K
$523.81K
+3.3%
Aug 31, 2026
iShares Trust-iShares Micro-Cap ETF
0.26%
38.28K
$339.90K
+3.7%
Aug 31, 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).