Tectonic Therapeutic, Inc.

TECXNASDAQ

$23.11+0.57 (+2.53%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Tectonic Therapeutic, Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+52.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
FMR LLC	14.71%	$97.3M	0.00%	Not reported
TCG Crossover Management, LLC	6.26%	$41.4M	1.00%	Not reported
Aberdeen Group plc	5.94%	$39.3M	0.06%	Not reported
BlackRock, Inc.	4.48%	$29.7M	0.00%	Not reported
First Light Asset Management, LLC	4.16%	$27.5M	1.67%	Add 23.62%
Baker Bros. Advisors LP	3.16%	$20.9M	0.10%	Not reported
5AM Venture Management, LLC	3.15%	$20.9M	7.24%	Not reported
Braidwell LP	3.10%	$20.5M	0.76%	Reduce 29.54%
Vanguard Capital Management LLC	2.54%	$16.8M	0.00%	Not reported
Vestal Point Capital, LP	2.21%	$14.6M	0.34%	Add 29.57%
Bollard Group LLC	1.58%	$10.4M	0.32%	Not reported
Kennedy Capital Management LLC	1.47%	$9.7M	0.17%	Reduce 1.56%
Geode Capital Management, LLC	1.41%	$9.3M	0.00%	Not reported
Orbimed Advisors LLC	1.18%	$7.79M	0.14%	Not reported
State Street Corp	1.14%	$7.56M	0.00%	Not reported
Ikarian Capital, LLC	1.07%	$7.08M	0.76%	Add 30.66%
D. E. Shaw & Co., Inc.	0.97%	$6.41M	0.00%	Not reported
Marshall Wace, LLP	0.89%	$5.92M	0.00%	Not reported
Millennium Management LLC	0.86%	$5.69M	0.00%	Not reported
Squarepoint Ops LLC	0.75%	$4.99M	0.01%	Not reported
Ameriprise Financial Inc	0.74%	$4.9M	0.00%	Not reported
Wells Fargo & Company	0.61%	$4.04M	0.00%	Not reported
Northern Trust Corp	0.59%	$3.92M	0.00%	Not reported
Soleus Capital Management, L.P.	0.53%	$3.5M	0.12%	Not reported
Woodline Partners LP	0.52%	$3.44M	0.01%	Not reported
Vanguard Portfolio Management LLC	0.49%	$3.25M	0.00%	Not reported
Citadel Advisors LLC	0.47%	$3.11M	0.00%	Not reported
Goldman Sachs Group Inc	0.38%	$2.54M	0.00%	Not reported
Raymond James Financial Inc	0.38%	$2.5M	0.00%	Not reported
Sectoral Asset Management Inc	0.37%	$2.44M	1.70%	Not reported
Vanguard Fiduciary Trust Co	0.36%	$2.35M	0.00%	Not reported
Jane Street Group, LLC	0.34%	$2.26M	0.00%	Not reported
Morgan Stanley	0.34%	$2.25M	0.00%	Not reported
Boothbay Fund Management, LLC	0.32%	$2.09M	0.03%	Not reported
JPMorgan Chase & Co	0.29%	$1.83M	0.00%	Not reported
Tetragon Partners GP Ltd	0.24%	$1.6M	0.25%	Add 23.75%
PFM Health Sciences, LP	0.24%	$1.57M	0.13%	Reduce 1.08%
Jump Financial, LLC	0.23%	$1.49M	0.01%	Not reported
Prosight Management, LP	0.21%	$1.37M	0.24%	Reduce 50.26%
Trexquant Investment LP	0.19%	$1.27M	0.01%	Not reported
Aldebaran Capital, LLC	0.19%	$1.26M	0.95%	Reduce 1.04%
ExodusPoint Capital Management, LP	0.18%	$1.21M	0.01%	Not reported
Wellington Management Group LLP	0.16%	$1.08M	0.00%	Add 7.50%
Charles Schwab Investment Management Inc	0.16%	$1.05M	0.00%	Not reported
Monimus Capital Management, LP	0.15%	$967K	0.22%	Add 5.20%
Bank of New York Mellon Corp	0.13%	$868K	0.00%	Not reported
Alps Advisors Inc	0.10%	$658K	0.00%	Add 25.26%
Fisher Asset Management, LLC	0.10%	$657K	0.00%	New Not reported
American Century Companies Inc	0.10%	$653K	0.00%	Not reported
Quadrature Capital Ltd	0.09%	$621K	0.01%	Not reported

50 of 112 holders

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