TECX
TECTONIC THERAP (TECX)
NASDAQ
$20.67-$0.43 (-2.02%)
Price as of Oct 23, 2026 7:59 AM EDT
  • $412.3M
    Market Cap
  • 21.28%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
14.48%
2.8M
+13,884 (+0.49%)
Jun 30, 2026
TCG CROSSOVER MANAGEMENT, LLC
6.16%
1.2M
0 (0.00%)
Jun 30, 2026
ABRDN PLC
5.84%
1.1M
0 (0.00%)
Jun 30, 2026
ECOR1 CAPITAL, LLC
4.78%
935,121
0 (0.00%)
Jun 30, 2025
BLACKROCK, INC.
4.41%
862,592
+2,240 (+0.26%)
Jun 30, 2026
FIRST LIGHT ASSET MANAGEMENT, LLC
4.10%
800,726
+152,983 (+19.11%)
Jun 30, 2026
BAKER BROS. ADVISORS LP
3.11%
607,788
0 (0.00%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions86.0M (75.85%)
  • Mutual Funds26.2M (23.13%)
  • Insiders1.2M (1.02%)
  • Other0 (0.00%)

Insider Transactions

  • 1.02% (1.2M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $5.5M
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $12.9M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
McNamara Peter
Chief Scientific Officer
Sell
Sep 30, 2026
$12,349.44
536
$23.04
54,305
REICIN ALISE
Chief Executive Officer
In Kind
Sep 25, 2026
$36,570.15
1,545
$23.67
309,078
Lochner Daniel
Chief Financial Officer
In Kind
Sep 25, 2026
$12,308.40
520
$23.67
58,024
Schwabish Marc
Chief Business Officer
In Kind
Sep 25, 2026
$9,728.37
411
$23.67
44,903
McNamara Peter
Chief Scientific Officer
In Kind
Sep 25, 2026
$10,509.48
444
$23.67
54,841
McNamara Peter
Chief Scientific Officer
Award
Sep 03, 2026
$0.00
21,000
$0.00
21,000
Ruddy Marcella K.
Chief Medical Officer
Award
Sep 03, 2026
$0.00
24,250
$0.00
24,250
REICIN ALISE
Chief Executive Officer
Award
Sep 03, 2026
$0.00
69,250
$0.00
69,250
Schwabish Marc
Chief Business Officer
Award
Sep 03, 2026
$0.00
17,750
$0.00
17,750
Lochner Daniel
Chief Financial Officer
Award
Sep 03, 2026
$0.00
24,250
$0.00
24,250
McNamara Peter
Chief Scientific Officer
Exempt
Aug 25, 2026
$0.00
43
$0.00
7,787
McNamara Peter
Chief Scientific Officer
Exempt
Aug 25, 2026
$632.53
43
$14.71
55,328
McNamara Peter
Chief Scientific Officer
Sell
Aug 25, 2026
$1,570.36
43
$36.52
55,285
McNamara Peter
Chief Scientific Officer
Exempt
Aug 12, 2026
$0.00
43
$0.00
7,830
McNamara Peter
Chief Scientific Officer
Exempt
Aug 12, 2026
$632.53
43
$14.71
55,328
McNamara Peter
Chief Scientific Officer
Sell
Aug 12, 2026
$1,505.00
43
$35.00
55,285
Lochner Daniel
Chief Financial Officer
Award
Jun 11, 2026
$0.00
7,500
$0.00
7,500
Vitorovic Stefan
Award
Jun 09, 2026
$0.00
10,200
$0.00
10,200
Chutter Jessica Caroline
Award
Jun 08, 2026
$0.00
20,400
$0.00
20,400
Nader Francois
Award
Apr 01, 2026
$0.00
20,400
$0.00
20,400
Ruddy Marcella K.
Chief Medical Officer
Sell
Apr 01, 2026
$31,050.00
1,000
$31.05
68,747
McNamara Peter
Chief Scientific Officer
Exempt
Mar 06, 2026
$0.00
2,500
$0.00
31,959
McNamara Peter
Chief Scientific Officer
Exempt
Mar 06, 2026
$0.00
215
$0.00
8,045
McNamara Peter
Chief Scientific Officer
Exempt
Mar 06, 2026
$5,950.00
2,500
$2.38
61,332
McNamara Peter
Chief Scientific Officer
Exempt
Mar 06, 2026
$3,162.65
215
$14.71
61,547
McNamara Peter
Chief Scientific Officer
Sell
Mar 06, 2026
$181,410.00
6,047
$30.00
55,500
McNamara Peter
Chief Scientific Officer
Sell
Mar 06, 2026
$7,525.00
215
$35.00
55,285
Lochner Daniel
Chief Financial Officer
Award
Mar 04, 2026
$0.00
24,250
$0.00
24,250
McNamara Peter
Chief Scientific Officer
Award
Mar 04, 2026
$0.00
21,000
$0.00
21,000
Ruddy Marcella K.
Chief Medical Officer
Award
Mar 04, 2026
$0.00
24,250
$0.00
24,250