TECX

Tectonic Therapeutic, Inc. Common Stock
TECX

Overview Fund Activity

81 hedge funds and large institutions have $241M invested in Tectonic Therapeutic, Inc. Common Stock in 2025 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 34 increasing their positions, 13 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
81
Holders Change
+4
Holders Change %
+5.19%
% of All Funds
1.09%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
18
Increased
34
Reduced
13
Closed
14
Calls
$29K
Puts
$17K
Net Calls
+$12K
Net Calls Change
+$12K

Top Buyers

1
BlackRock
1
BlackRock
New York
$15.1M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$11.6M
3
Geode Capital Management
3
Geode Capital Management
Massachusetts
$5.41M
4
State Street
4
State Street
Massachusetts
$2.6M
5
SAM
5
Sectoral Asset Management
Quebec, Canada
$1.97M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$1.49M
2
IC
2
Ikarian Capital
Texas
$3.25M
3
Goldman Sachs
3
Goldman Sachs
New York
$0
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$0
5
Susquehanna International Group
5
Susquehanna International Group
Pennsylvania
$372K
Name Holding Trade Value Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$55.7M +$29.3K +1,476 +0.1%
DTC
2
Deep Track Capital
Connecticut
$27.9M – – –
EC
3
EcoR1 Capital
California
$18.6M – – –
FCM
4
Farallon Capital Management
California
$17M – – –
BlackRock
5
BlackRock
New York
$15.1M +$11M +555,769 +270%
Vanguard Group
6
Vanguard Group
Pennsylvania
$11.6M +$4.44M +223,225 +62%
5VM
7
5AM Venture Management
California
$10.2M – – –
PM
8
Prosight Management
Texas
$8.78M +$858K +43,171 +11%
WP
9
Woodline Partners
California
$6.39M +$386K +19,422 +6%
BG
10
Bollard Group
Massachusetts
$6.02M – – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$5.41M +$3.83M +192,770 +243%
Point72 Asset Management
12
Point72 Asset Management
Connecticut
$4.59M +$617K +31,032 +16%
TAM
13
TFG Asset Management
Cayman Islands
$4.55M +$821K +41,332 +22%
TCM
14
Tang Capital Management
California
$3.56M – – –
Citadel Advisors
15
Citadel Advisors
Florida
$3.28M +$1.42M +71,572 +77%
IC
16
Ikarian Capital
Texas
$3.25M -$2.09M -105,394 -39%
ABG
17
Ally Bridge Group
New York
$3.25M +$625K +31,461 +24%
Morgan Stanley
18
Morgan Stanley
New York
$3.19M -$75.6K -3,805 -2%
State Street
19
State Street
Massachusetts
$2.6M +$1.99M +100,236 +325%
BBA
20
Baker Bros. Advisors
New York
$1.99M – – –
SAM
21
Sectoral Asset Management
Quebec, Canada
$1.97M +$1.97M +98,970 New
Renaissance Technologies
22
Renaissance Technologies
New York
$1.73M -$1.14M -57,315 -40%
Squarepoint
23
Squarepoint
New York
$1.7M +$645K +32,472 +61%
Northern Trust
24
Northern Trust
Illinois
$1.57M +$1.28M +64,392 +439%
SCM
25
Superstring Capital Management
New York
$1.57M +$563K +28,312 +56%
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