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TECX

Tectonic Therapeutic
TECX

78 hedge funds and large institutions have $199M invested in Tectonic Therapeutic in 2025 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 29 increasing their positions, 12 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

142% more repeat investments, than reductions

Existing positions increased: 29 | Existing positions reduced: 12

36% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 22

11% more funds holding

Funds holding: 70 → 78 (+8)

8.06% more ownership

Funds ownership: 52.11% → 60.17% (+8.1%)

44% less capital invested

Capital invested by funds: $355M → $199M (-$156M)

100% less funds holding in top 10

Funds holding in top 10: 2 → 0 (-2)

Holders
78
Holders Change
+8
Holders Change %
+11.43%
% of All Funds
1.05%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
30
Increased
29
Reduced
12
Closed
22
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
DTC
Deep Track Capital
Connecticut
+$45.7M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$41.8M
3
PM
Prosight Management
Texas
+$13M
4
BG
Bollard Group
Massachusetts
+$9.87M
5
Millennium Management
Millennium Management
New York
+$6.82M

Top Sellers

Rank Fund Capital Flow
1
VVA
Vida Ventures Advisors
Massachusetts
-$47.5M
2
PBA
Paradigm Biocapital Advisors
New York
-$22.4M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$7.72M
4
Invesco
Invesco
Georgia
-$5.92M
5
AVLSA
Atlas Venture Life Science Advisors
Massachusetts
-$3.62M
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$49.6M +$41.8M +1,283,065 +85%
DTC
2
Deep Track Capital
Connecticut
$24.8M +$45.7M +1,401,938 New
EC
3
EcoR1 Capital
California
$16.6M +$2.8M +85,978 +10%
FCM
4
Farallon Capital Management
California
$15.1M +$4.56M +140,000 +20%
5VM
5
5AM Venture Management
California
$9.06M -$2.77M -85,000 -14%
PM
6
Prosight Management
Texas
$7.06M +$13M +398,885 New
Vanguard Group
7
Vanguard Group
Pennsylvania
$6.4M +$3.91K +120 +0%
BG
8
Bollard Group
Massachusetts
$5.37M +$9.87M +302,953 New
WP
9
Woodline Partners
California
$5.35M +$5.61M +172,106 +132%
IC
10
Ikarian Capital
Texas
$4.77M +$4.13M +126,762 +89%
Millennium Management
11
Millennium Management
New York
$4.21M +$6.82M +209,145 +726%
BlackRock
12
BlackRock
New York
$3.64M +$341K +10,469 +5%
Point72 Asset Management
13
Point72 Asset Management
Connecticut
$3.54M +$6.52M +200,000 New
TAM
14
TFG Asset Management
Cayman Islands
$3.32M +$6.11M +187,500 New
TCM
15
Tang Capital Management
California
$3.17M +$3.26M +100,000 +126%
Morgan Stanley
16
Morgan Stanley
New York
$2.91M +$4.79M +146,820 +843%
Renaissance Technologies
17
Renaissance Technologies
New York
$2.56M +$3.13M +96,129 +200%
ABG
18
Ally Bridge Group
New York
$2.34M +$4.31M +132,222 New
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$1.89M -$1.95M -59,749 -36%
Goldman Sachs
20
Goldman Sachs
New York
$1.86M +$2.62M +80,483 +331%
Adage Capital Partners
21
Adage Capital Partners
Massachusetts
$1.77M +$3.26M +100,000 New
BBA
22
Baker Bros. Advisors
New York
$1.77M +$3.26M +100,000 New
Citadel Advisors
23
Citadel Advisors
Florida
$1.63M +$3.05M +93,474 New
Geode Capital Management
24
Geode Capital Management
Massachusetts
$1.41M +$62K +1,903 +2%
BFM
25
Boothbay Fund Management
New York
$1.41M +$1.24M +38,162 +92%
1
2 3 4

TECX Hedge Fund Activity: Q1 2025 in Review

78 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Tectonic Therapeutic (TECX) for Q1 2025, worth a combined $199M — down 44% from $355M a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new TECX positions and 22 closed out — a net gain of 8 holders — while 29 added to existing stakes and 12 trimmed.

The largest buyer was Deep Track Capital, opening a new position worth an estimated $45.7M. The largest seller was Vida Ventures Advisors, exiting entirely with an estimated $47.5M sold.

  • 78 institutional investors held Tectonic Therapeutic (TECX) as of Q1 2025, up from 70 in Q4 2024.
  • Funds reported $199M of Tectonic Therapeutic stock for Q1 2025, down 44% quarter-over-quarter.
  • 30 funds opened new Tectonic Therapeutic positions in Q1 2025 and 22 closed out, a net change of +8 holders.
  • The largest Tectonic Therapeutic buyer in Q1 2025 was Deep Track Capital, an estimated $45.7M added.
  • The largest Tectonic Therapeutic seller in Q1 2025 was Vida Ventures Advisors, an estimated $47.5M sold.

Based on aggregated 13F filings for Q1 2025.