TECTONIC THERAPEUTIC INC (TECX) is held by 69 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is FMR LLC as of Q1 2026.

Are institutions buying or selling TECX?

In Q1 2026, 36 institutions opened or increased positions in TECTONIC THERAPEUTIC INC while 38 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on TECX?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for TECTONIC THERAPEUTIC INC.

How many hedge funds hold TECX?

69 institutional investors report holding TECTONIC THERAPEUTIC INC (TECX) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into TECX?

As of Q1 2026, tracked institutions in TECTONIC THERAPEUTIC INC show 36 buyers versus 38 sellers — net outflows.

TECTONIC THERAPEUTIC INC

TECX·878972108·US·Common Stock·Healthcare - Biotechnology-Activist

Holders

Avg rating(15 Elite)

$263.6M

Total Value

49% (79)

Fund Consensus

36 buying - 38 selling

Smart Money Verdict

View all

Held by 69 funds

15 elite

Who's Trading

InsiderMPMcNamara PeterSell $6KJun 30, 2026

InsiderRKRuddy Marcella K.Sell $32KMay 4, 2026

InsiderRKRuddy Marcella K.Sell $31KApr 1, 2026

InsiderRKRuddy Marcella K.Sell $300KMar 6, 2026

InsiderMPMcNamara PeterSell $181KMar 6, 2026

InsiderMPMcNamara PeterSell $8KMar 6, 2026

InsiderMPMcNamara PeterSell $41KMar 4, 2026

InsiderMPMcNamara PeterSell $36KMar 3, 2026

ActivistTCTCG Crossover GP II, LLC3.1%Feb 27, 2026

Activist

Aberdeen Group plc6.1%Jan 29, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	2.8M(+0.3%)	$87.1M	0.0%	+1.64%	30
Aberdeen Group plc	Unchanged	1.1M	$35.3M	0.1%	+77.09%	0
BlackRock, Inc.	Increased	860,352(+0.7%)	$26.6M	0.0%	+33.87%	29
BAKER BROS. ADVISORS LP	Decreased	607,788(-32.7%)	$18.8M	0.1%	+65.79%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	473,532	$14.6M	0.0%	+40.86%	39
GEODE CAPITAL MANAGEMENT, LLC	Increased	268,273(+1.8%)	$8.3M	0.0%	+60.94%	28
MWMARSHALL WACE, LLP	Increased	229,595(+642.6%)	$7.1M	0.0%	+46.17%	44
STATE STREET CORP	Increased	213,505(+2.1%)	$6.6M	0.0%	+61.37%	28
SOSquarepoint Ops LLC	Decreased	164,419(-17.6%)	$5.1M	0.0%	+68.76%	0
PRICE T ROWE ASSOCIATES INC /MD/	New	164,055	$5.1M	0.0%	+40.86%	37
AMERIPRISE FINANCIAL INC	New	143,432	$4.4M	0.0%	+40.86%	37
DED. E. Shaw & Co., Inc.	Decreased	116,120(-3.4%)	$3.6M	0.0%	+63.74%	0
WELLS FARGO & COMPANY/MN	Decreased	112,664(-6.4%)	$3.5M	0.0%	+75.93%	0
Woodline Partners LP	Decreased	100,000(-50.0%)	$3.1M	0.0%	+28.21%	0
ExodusPoint Capital Management, LP	Decreased	83,679(-24.7%)	$2.6M	0.0%	+68.51%	0
NORTHERN TRUST CORP	Increased	78,353(+8.4%)	$2.4M	0.0%	+51.81%	28
Point72 Asset Management, L.P.	Decreased	68,598(-86.1%)	$2.1M	0.0%	+90.94%	0
VFVANGUARD FIDUCIARY TRUST CO	New	67,895	$2.1M	0.0%	+40.86%	36
Connor, Clark & Lunn Investment Management Ltd.	Decreased	66,994(-6.5%)	$2.1M	0.0%	+48.08%	0
MORGAN STANLEY	Decreased	64,848(-31.3%)	$2M	0.0%	+79.14%	0