Tectonic Therapeutics
TECX • XNAS
Tectonic Therapeutics is a biological products, (no disgnostic substances) company on XNAS, led by Alise Reicin, with a market cap of $369.8M. As of Q3 2025, 65% of shares are held by 99 institutional investors, with FMR LLC as the largest holder at 15.0%.
Chief Executive Officer of Tectonic Therapeutic, Inc.Alise Reicin
Overview
Overview of institutional ownership in TECX as of Q3 2025 with a market cap of $293.6M
All Institutions
- Institutions
- 99
- Value Held
- $189.9M
- Shares Held
- 12.1M
- Avg Position
- $1.9M
- Median Position
- $250.9K
Hedge Funds
- Hedge Funds
- 26
- Value Held
- $68.3M
- Shares Held
- 4.4M
- Avg Position
- $2.6M
- Median Position
- $1.5M
Ownership Breakdown
Based on market cap of $293.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in TECX as of Q3 2025
| Institution | Position Value |
|---|---|
 FMR LLC Institution | $44.0M 0.00% of portfolio |
B BlackRock, Inc. Institution | $13.0M 0.00% of portfolio |
B BRAIDWELL LP Hedge Fund•Multi-Strategy | $11.6M 0.47% of portfolio |
 FARALLON CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $10.0M 0.06% of portfolio |
 VANGUARD GROUP INC Institution | $8.9M 0.00% of portfolio |
5 5AM Venture Management, LLC Institution | $8.0M 2.94% of portfolio |
 Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy | $6.6M 0.02% of portfolio |
 Prosight Management, LP Hedge Fund•Long/Short | $6.0M 1.58% of portfolio |
S Standard Life Aberdeen plc Institution | $5.6M 0.01% of portfolio |
B Bollard Group LLC Family Office | $4.8M 0.12% of portfolio |
Net Capital Flow
Institutional buying and selling activity for TECX in Q3 2025
- Traded
- −$11.1M
- Buyers
- 58
- Sellers
- 32
- Total Bought
- +$50.8M
- Total Sold
- −$61.9M
- Avg Position
- $1.7M
Biggest Buyers
| Institution | Net Bought |
|---|---|
B BRAIDWELL LP Hedge Fund•Multi-Strategy | +$11.6M +736.9K shares |
S Standard Life Aberdeen plc Institution | +$5.6M +356.2K shares |
P Pale Fire Capital SE Institution | +$4.1M +259.7K shares |
 KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager | +$3.3M +208.8K shares |
 First Light Asset Management, LLC Hedge Fund•Sector | +$3.2M +202.4K shares |
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy | +$3.0M +190.7K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$2.6M +163.3K shares |
 StemPoint Capital LP Hedge Fund•Long/Short | +$2.3M +149.0K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$2.1M +133.3K shares |
S SPHERA FUNDS MANAGEMENT LTD. Institution | +$1.8M +115.9K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Deep Track Capital, LP Hedge Fund•Long/Short | −$27.9M −1.4M shares |
 EcoR1 Capital, LLC Hedge Fund•Sector | −$18.6M −935.1K shares |
FARALLON CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$3.3M −213.1K shares |
 Ikarian Capital, LLC Hedge Fund•Event Driven | −$3.3M −163.7K shares |
 Woodline Partners LP Hedge Fund•Long/Short | −$1.9M −121.6K shares |
Prosight Management, LP Hedge Fund•Long/Short | −$985.4K −62.8K shares |
 BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds | −$895.7K −45.1K shares |
 MORGAN STANLEY RIA/Wealth | −$873.9K −55.7K shares |
 Soleus Capital Management, L.P. Hedge Fund•Long/Short | −$813.4K −51.8K shares |
 Ally Bridge Group LLC Hedge Fund•Sector | −$393.6K −25.1K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited TECX in Q3 2025
- New Positions
- 24
- New Value
- $32.5M
- Exited Positions
- 11
- Exited Value
- $52.3M
New Positions
| Institution | Position Value |
|---|---|
B BRAIDWELL LP Hedge Fund•Multi-Strategy | $11.6M 736.9K shares |
S Standard Life Aberdeen plc Institution | $5.6M 356.2K shares |
P Pale Fire Capital SE Institution | $4.1M 259.7K shares |
KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager | $3.3M 208.8K shares |
First Light Asset Management, LLC Hedge Fund•Sector | $3.2M 202.4K shares |
S SPHERA FUNDS MANAGEMENT LTD. Institution | $1.8M 115.9K shares |
 Jain Global LLC Hedge Fund•Multi-Strategy | $1.1M 71.5K shares |
Q Quadrature Capital Ltd Institution | $411.4K 26.3K shares |
 STATE OF WISCONSIN INVESTMENT BOARD RIA/Wealth | $244.1K 15.6K shares |
 DLD Asset Management, LP Hedge Fund•Multi-Strategy | $235.4K 15.0K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Deep Track Capital, LP Hedge Fund•Long/Short | $27.9M 1.4M shares |
EcoR1 Capital, LLC Hedge Fund•Sector | $18.6M 935.1K shares |
Ikarian Capital, LLC Hedge Fund•Event Driven | $3.3M 163.7K shares |
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds | $895.7K 45.1K shares |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $387.4K 19.5K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $371.7K 18.7K shares |
 PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager | $364.1K 18.3K shares |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | $246.1K 12.4K shares |
 Monaco Asset Management SAM RIA/Wealth | $208.6K 10.5K shares |
 DEUTSCHE BANK AG\ Institution | $163.0K 8.2K shares |
Options Activity
Institutions with the largest Call and Put options positions in TECX as of Q3 2025
- Call Positions
- 2
- Call Value
- $3.9M
- Put Positions
- 1
- Put Value
- $726.4K
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $2.3M 1.5K contracts |
 DIADEMA PARTNERS LP Hedge Fund•Long/Short | $1.6M 1.0K contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $726.4K 463.0 contracts |
Most Committed Institutions
Institutions with TECX as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
5 5AM Venture Management, LLC Institution | 2.94% $8.0M |
 SECTORAL ASSET MANAGEMENT INC Venture Capital | 1.90% $3.0M |
S SUPERSTRING CAPITAL MANAGEMENT LP Hedge Fund•Long/Short | 1.84% $1.9M |
Ally Bridge Group LLC Hedge Fund•Sector | 1.82% $2.2M |
Prosight Management, LP Hedge Fund•Long/Short | 1.58% $6.0M |
 Polygon Management Ltd. Hedge Fund•Multi-Strategy | 0.97% $3.8M |
StemPoint Capital LP Hedge Fund•Long/Short | 0.60% $3.0M |
 Aldebaran Capital, LLC RIA/Wealth | 0.56% $604.1K |
K Knott David M Jr Institution | 0.49% $1.2M |
B BRAIDWELL LP Hedge Fund•Multi-Strategy | 0.47% $11.6M |
Hedge Fund Spotlight
Discover hedge funds investing in TECX
R
Rangeley Capital, LLC
Hedge Fund • Event Driven
Portfolio ManagerChristopher Clay Demuth Jr.
- Portfolio Value
- $105.5M
- Positions
- 115
- Last Reported
- Q3 2025
Sector Allocation
Position in Tectonic Therapeutics
- Market Value
- $188.3K
- Shares Held
- 12.0K
- Portfolio Weight
- 0.18%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Oil & Gas Refining & Marketing Energy | $6.6M | 6.30% | |
Oil & Gas Exploration & Production Energy | $6.0M | 5.72% | |
Biotechnology Healthcare | $5.9M | 5.61% |
