TECTONIC THERAPEUTIC INC

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

TECX (TECTONIC THERAPEUTIC INC) is held by 76 institutional investors as of Q2 2026. Largest holders: FMR LLC ($97.3M), Aberdeen Group plc ($39.3M), BlackRock, Inc. ($29.7M). Net institutional sentiment: Mixed.

76

Holders

(6 Elite)

$297.5M

Total Value

61% (71)

Consensus

43 buying - 28 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)37

Insider (Form 4)25

Activist (13D/13G)48

Congressional (STOCK Act)74

Holder Quality

51

★★★★★

Elite

43

★★★★

Strong

59

★★★

Solid

17

★★

Below

60

★

Weak

Held by 76 funds

6 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders Aug 26, 2026 · Activists Feb 27, 2026 · Congress none

InsiderMPMcNamara PeterExercise 43 shAug 25, 2026

InsiderMPMcNamara PeterSell $2KAug 25, 2026

InsiderMPMcNamara PeterExercise 43 shAug 12, 2026

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Top Holders

Top Holders (76)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	2.8M(+0.5%)	$97.3M	0.0%	+6.37%	30
Aberdeen Group plc	Unchanged	1.1M	$39.3M	0.1%	+85.33%	0
BlackRock, Inc.	Increased	862,592(+0.3%)	$29.7M	0.0%	+39.98%	29
BAKER BROS. ADVISORS LP	Unchanged	607,788	$20.9M	0.1%	+73.51%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	488,805(+3.2%)	$16.8M	0.0%	+45.56%	29
GEODE CAPITAL MANAGEMENT, LLC	Increased	270,461(+0.8%)	$9.3M	0.0%	+67.61%	28
STATE STREET CORP	Increased	219,908(+3.0%)	$7.6M	0.0%	+65.92%	28
DED. E. Shaw & Co., Inc.	Increased	186,550(+60.6%)	$6.4M	0.0%	+38.11%	39
MWMARSHALL WACE, LLP	Decreased	172,101(-25.0%)	$5.9M	0.0%	+52.97%	0
MILLENNIUM MANAGEMENT LLC	Increased	165,525(+183.7%)	$5.7M	0.0%	+24.97%	44
SOSquarepoint Ops LLC	Decreased	145,028(-11.8%)	$5M	0.0%	+76.61%	0
AMERIPRISE FINANCIAL INC	Decreased	142,448(-0.7%)	$4.9M	0.0%	+47.42%	0
WELLS FARGO & COMPANY/MN	Increased	117,428(+4.2%)	$4M	0.0%	+78.61%	28
NORTHERN TRUST CORP	Increased	113,904(+45.4%)	$3.9M	0.0%	+36.75%	36
Woodline Partners LP	Unchanged	100,000	$3.4M	0.0%	+34.17%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	94,414(+48.4%)	$3.2M	0.0%	+30.06%	36
CITADEL ADVISORS LLC	New	90,393	$3.1M	0.0%	+4.62%	37
GOLDMAN SACHS GROUP INC	Increased	73,924(+18.4%)	$2.5M	0.0%	+91.42%	31
RAYMOND JAMES FINANCIAL INC	Increased	72,674(+13.2%)	$2.5M	0.0%	+62.43%	30
VFVANGUARD FIDUCIARY TRUST CO	Increased	68,394(+0.7%)	$2.4M	0.0%	+46.98%	26

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TECXTECTONIC THERAPEUTIC INC

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer