NAUT
NAUTILUS BIOTECH (NAUT)
NASDAQ
$2.62-$0.06 (-2.16%)
Price as of Jun 03, 2026 7:55 PM EDT
  • $348.2M
    Market Cap
  • 249.05%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
AH CAPITAL MANAGEMENT, L.L.C.
13.89%
17.7M
0 (0.00%)
Mar 31, 2026
AH EQUITY PARTNERS BIO II, L.L.C.
12.83%
16.3M
0 (0.00%)
Sep 30, 2022
PERCEPTIVE ADVISORS LLC
9.91%
12.6M
0 (0.00%)
Mar 31, 2026
CERCANO MANAGEMENT LLC
5.64%
7.2M
0 (0.00%)
Mar 31, 2026
MADRONA VENTURE GROUP, LLC
4.74%
6.0M
0 (0.00%)
Dec 31, 2025
BLACKROCK INC.
3.01%
3.8M
+95,773 (+2.50%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
2.41%
3.1M
-496,506 (-16.18%)
Dec 31, 2024

Current Ownership Distribution

  • Institutions1.1B (90.69%)
  • Mutual Funds79.0M (6.77%)
  • Insiders29.7M (2.54%)
  • Other0 (0.00%)

Insider Transactions

  • 2.54% (29.7M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $40.9M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Patel Sujal M
CEO, President, and Secretary
Buy
Mar 04, 2026
$65,237.50
25,000
$2.61
10.4M
Suzuki Kentaro
Chief Marketing Officer
Award
Mar 02, 2026
$0.00
160,000
$0.00
160,000
Mowry Anna
CFO and Treasurer
Award
Mar 02, 2026
$0.00
160,000
$0.00
160,000
Murphy Matthew B.
General Counsel
Award
Mar 02, 2026
$0.00
160,000
$0.00
160,000
Sankar Subramanian
Senior VP, Product Development
Award
Mar 02, 2026
$0.00
160,000
$0.00
160,000
Weld Gwen E
Chief People Officer
Award
Mar 02, 2026
$0.00
160,000
$0.00
160,000
Patel Sujal M
CEO, President, and Secretary
Award
Mar 02, 2026
$0.00
650,000
$0.00
650,000
Mallick Parag
Chief Scientist
Award
Mar 02, 2026
$0.00
280,000
$0.00
280,000
Suzuki Kentaro
Chief Marketing Officer
Buy
Nov 06, 2025
$5,960.00
4,000
$1.49
4,000
Patel Sujal M
CEO, President, and Secretary
Buy
Sep 08, 2025
$57,030.50
83,500
$0.68
10.3M
Patel Sujal M
CEO, President, and Secretary
Buy
Sep 05, 2025
$78,544.30
116,500
$0.67
10.3M
Murphy Matthew B.
General Counsel
Buy
Sep 04, 2025
$12,858.00
20,000
$0.64
74,140
McIlwain Matthew S
Award
Jun 23, 2025
$0.00
45,000
$0.00
45,000
Akinsanya Karen
Award
Jun 23, 2025
$0.00
45,000
$0.00
45,000
Posard Matthew L.
Award
Jun 23, 2025
$0.00
45,000
$0.00
45,000
NAZEM FARZAD
Award
Jun 23, 2025
$0.00
45,000
$0.00
45,000
Epperly Melissa B,
Award
Jun 23, 2025
$0.00
45,000
$0.00
45,000
Mowry Anna
CFO and Treasurer
Buy
May 29, 2025
$11,488.50
15,000
$0.77
83,000
Mallick Parag
Chief Scientist
Buy
May 12, 2025
$1,097.55
1,500
$0.73
20.5M
Mallick Parag
Chief Scientist
Buy
May 08, 2025
$8,787.60
12,000
$0.73
20.5M
Patel Sujal M
CEO, President, and Secretary
Buy
Mar 20, 2025
$23,889.92
23,933
$1.00
10.1M
Patel Sujal M
CEO, President, and Secretary
Buy
Mar 19, 2025
$53,028.17
53,300
$0.99
10.1M
Patel Sujal M
CEO, President, and Secretary
Award
Mar 03, 2025
$0.00
650,000
$0.00
650,000
Sankar Subramanian
Senior VP, Product Development
Award
Mar 03, 2025
$0.00
160,000
$0.00
160,000
Mowry Anna
CFO and Treasurer
Award
Mar 03, 2025
$0.00
160,000
$0.00
160,000
Mallick Parag
Chief Scientist
Award
Mar 03, 2025
$0.00
280,000
$0.00
280,000
Suzuki Kentaro
Chief Marketing Officer
Award
Mar 03, 2025
$0.00
50,000
$0.00
50,000
Weld Gwen E
Chief People Officer
Award
Mar 03, 2025
$0.00
160,000
$0.00
160,000
Nelson Nicholas A.
CBO & Senior VP, Bus. Dev.
Award
Mar 03, 2025
$0.00
160,000
$0.00
160,000
Murphy Matthew B.
General Counsel
Award
Mar 03, 2025
$0.00
160,000
$0.00
160,000