TECTONIC THERAPEUTIC INC

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TECX·878972108·US·equity·Healthcare - Biotechnology-Activist

TECX (TECTONIC THERAPEUTIC INC) is held by 65 institutional investors as of Q1 2026. Largest holders: FMR LLC ($87.1M), Aberdeen Group plc ($35.3M), BlackRock, Inc. ($26.6M). Net institutional sentiment: Mixed.

65

Holders

Avg rating(6 Elite)

$239.7M

Total Value

46% (75)

Fund Consensus

32 buying - 38 selling

Smart Money Verdict

View all

50Mixed MomentumSplit Signals

Institutional (13F)57

Insider (Form 4)38

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how TECX's score breaks down across 4 SEC sources

Holder Quality

6

★★★★★

Elite

23

★★★★

Strong

24

★★★

Solid

18

★★

Below

4

★

Weak

Held by 65 funds

6 elite

Who's Trading

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

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

ActivistAberdeen Group plc6.1%Jan 29, 2026

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

Positions (65)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	2.8M(+0.3%)	$87.1M	0.0%	-17.52%	30
Aberdeen Group plc	Unchanged	1.1M	$35.3M	0.1%	+43.70%	0
BlackRock, Inc.	Increased	860,352(+0.7%)	$26.6M	0.0%	+8.63%	29
BAKER BROS. ADVISORS LP	Decreased	607,788(-32.7%)	$18.8M	0.1%	+34.53%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	268,273(+1.8%)	$8.3M	0.0%	+30.60%	28
MWMARSHALL WACE, LLP	Increased	229,595(+642.6%)	$7.1M	0.0%	+18.61%	44
STATE STREET CORP	Increased	213,505(+2.1%)	$6.6M	0.0%	+30.95%	28
SOSquarepoint Ops LLC	Decreased	164,419(-17.6%)	$5.1M	0.0%	+36.94%	0
AMERIPRISE FINANCIAL INC	New	143,432	$4.4M	0.0%	+14.30%	37
DED. E. Shaw & Co., Inc.	Decreased	116,120(-3.4%)	$3.6M	0.0%	+32.87%	0
WELLS FARGO & COMPANY/MN	Decreased	112,664(-6.4%)	$3.5M	0.0%	+42.76%	0
Woodline Partners LP	Decreased	100,000(-50.0%)	$3.1M	0.0%	+4.03%	0
ExodusPoint Capital Management, LP	Decreased	83,679(-24.7%)	$2.6M	0.0%	+36.74%	0
NORTHERN TRUST CORP	Increased	78,353(+8.4%)	$2.4M	0.0%	+23.19%	28
Point72 Asset Management, L.P.	Decreased	68,598(-86.1%)	$2.1M	0.0%	+54.94%	0
Connor, Clark & Lunn Investment Management Ltd.	Decreased	66,994(-6.5%)	$2.1M	0.0%	+20.16%	0
MORGAN STANLEY	Decreased	64,848(-31.3%)	$2M	0.0%	+45.37%	0
RAYMOND JAMES FINANCIAL INC	Increased	64,196(+17.6%)	$2M	0.0%	+35.85%	30
GOLDMAN SACHS GROUP INC	Decreased	62,426(-32.7%)	$1.9M	0.0%	+75.19%	0
MILLENNIUM MANAGEMENT LLC	Decreased	58,348(-80.6%)	$1.8M	0.0%	+50.73%	0

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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer