Tectonic Therapeutic
TECX
99 hedge funds and large institutions have $190M invested in Tectonic Therapeutic in 2025 Q3 according to their latest regulatory filings, with 28 funds opening new positions, 29 increasing their positions, 21 reducing their positions, and 11 closing their positions.
379% more call options, than puts
Call options by funds: $3.96M | Put options by funds: $827K
155% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 11
38% more repeat investments, than reductions
Existing positions increased: 29 | Existing positions reduced: 21
21% more funds holding
Funds holding: 82 → 99 (+17)
0.18% less ownership
Funds ownership: 64.87% → 64.69% (-0.18%)
21% less capital invested
Capital invested by funds: $241M → $190M (-$50.8M)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
B
Braidwell
Stamford,
Connecticut
|
+$15.2M |
| 2 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$7.35M |
| 3 |
PFCS
Pale Fire Capital SE
Prague,
Czech Republic
|
+$5.36M |
| 4 |
KCM
Kennedy Capital Management
St Louis,
Missouri
|
+$4.31M |
| 5 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
+$4.18M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
-$27.9M |
| 2 |
EC
EcoR1 Capital
San Francisco,
California
|
-$18.6M |
| 3 |
FCM
Farallon Capital Management
San Francisco,
California
|
-$4.4M |
| 4 |
IC
Ikarian Capital
Dallas,
Texas
|
-$3.25M |
| 5 |
WP
Woodline Partners
San Francisco,
California
|
-$2.51M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
EC
101
EcoR1 Capital
San Francisco,
California
| – | -$18.6M | -935,121 | Closed |
|
|
IC
102
Ikarian Capital
Dallas,
Texas
| – | -$3.25M | -163,696 | Closed |
|
|
BFM
103
Boothbay Fund Management
New York
| – | -$896K | -45,077 | Closed |
|
104
Dimensional Fund Advisors
Austin,
Texas
| – | -$387K | -19,498 | Closed |
|
105
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$386K | -18,707 | Closed |
|
106
T. Rowe Price Associates
Baltimore,
Maryland
| – | -$365K | -18,322 | Closed |
|
|
BCM
107
Bridgeway Capital Management
Houston,
Texas
| – | -$246K | -12,383 | Closed |
|
|
MAM
108
Monaco Asset Management
Monaco
| – | -$209K | -10,500 | Closed |
|
109
Deutsche Bank
Frankfurt Am Main Ge,
Germany
| – | -$163K | -8,201 | Closed |
|
|
AF
110
Allworth Financial
Folsom,
California
| – | -$517 | -26 | Closed |
|
TECX Hedge Fund Activity: Q3 2025 in Review
99 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Tectonic Therapeutic (TECX) for Q3 2025, worth a combined $190M — down 21% from $241M a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new TECX positions and 11 closed out — a net gain of 17 holders — while 29 added to existing stakes and 21 trimmed.
The largest buyer was Braidwell, opening a new position worth an estimated $15.2M. The largest seller was Deep Track Capital, exiting entirely with an estimated $27.9M sold.
- 99 institutional investors held Tectonic Therapeutic (TECX) as of Q3 2025, up from 82 in Q2 2025.
- Funds reported $190M of Tectonic Therapeutic stock for Q3 2025, down 21% quarter-over-quarter.
- 28 funds opened new Tectonic Therapeutic positions in Q3 2025 and 11 closed out, a net change of +17 holders.
- The largest Tectonic Therapeutic buyer in Q3 2025 was Braidwell, an estimated $15.2M added.
- The largest Tectonic Therapeutic seller in Q3 2025 was Deep Track Capital, an estimated $27.9M sold.
Based on aggregated 13F filings for Q3 2025.