TECX

Tectonic Therapeutic, Inc. Common Stock
TECX

Overview Fund Activity

80 hedge funds and large institutions have $240M 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, 12 reducing their positions, and 14 closing their positions.

Holders
80
Holders Change
+3
Holders Change %
+3.9%
% of All Funds
1.07%
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
12
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
Bank of America
5
Bank of America
North Carolina
$138K
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$55.7M 2,800,876 +1,476 +0.1%
DTC
2
Deep Track Capital
Connecticut
$27.9M 1,401,938 – –
EC
3
EcoR1 Capital
California
$18.6M 935,121 – –
FCM
4
Farallon Capital Management
California
$17M 853,050 – –
BlackRock
5
BlackRock
New York
$15.1M 761,297 +555,769 +270%
Vanguard Group
6
Vanguard Group
Pennsylvania
$11.6M 584,393 +223,225 +62%
5VM
7
5AM Venture Management
California
$10.2M 511,660 – –
PM
8
Prosight Management
Texas
$8.78M 442,056 +43,171 +11%
WP
9
Woodline Partners
California
$6.39M 321,637 +19,422 +6%
BG
10
Bollard Group
Massachusetts
$6.02M 302,953 – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$5.41M 272,257 +192,770 +243%
Point72 Asset Management
12
Point72 Asset Management
Connecticut
$4.59M 231,032 +31,032 +16%
TAM
13
TFG Asset Management
Cayman Islands
$4.55M 228,832 +41,332 +22%
TCM
14
Tang Capital Management
California
$3.56M 179,166 – –
Citadel Advisors
15
Citadel Advisors
Florida
$3.28M 165,046 +71,572 +77%
IC
16
Ikarian Capital
Texas
$3.25M 163,696 -105,394 -39%
ABG
17
Ally Bridge Group
New York
$3.25M 163,683 +31,461 +24%
Morgan Stanley
18
Morgan Stanley
New York
$3.19M 160,430 -3,805 -2%
State Street
19
State Street
Massachusetts
$2.6M 131,041 +100,236 +325%
BBA
20
Baker Bros. Advisors
New York
$1.99M 100,000 – –
SAM
21
Sectoral Asset Management
Quebec, Canada
$1.97M 98,970 +98,970 New
Renaissance Technologies
22
Renaissance Technologies
New York
$1.73M 86,987 -57,315 -40%
Squarepoint
23
Squarepoint
New York
$1.7M 85,369 +32,472 +61%
Northern Trust
24
Northern Trust
Illinois
$1.57M 79,074 +64,392 +439%
SCM
25
Superstring Capital Management
New York
$1.57M 79,058 +28,312 +56%
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