ALECTOR INC

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ALEC·014442107·US·Common Stock·Healthcare - Biotechnology-13D/G

ALEC (ALECTOR INC) is held by 89 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($15.8M), VANGUARD CAPITAL MANAGEMENT LLC ($8.1M), BALYASNY ASSET MANAGEMENT L.P. ($6.5M). Net institutional sentiment: Mixed.

89

Holders

(6 Elite)

$90.1M

Total Value

65% (78)

Consensus

51 buying - 27 selling

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

Smart Money Verdict

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Institutional (13F)71

Insider (Form 4)74

Activist (13D/13G)74

Congressional (STOCK Act)72

Holder Quality

80

★★★★★

Elite

62

★★★★

Strong

88

★★★

Solid

46

★★

Below

47

★

Weak

Held by 89 funds

6 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 21, 2026 · Activists May 14, 2026 · Congress none

InsiderRARosenthal ArnonGift 350K shAug 19, 2026

InsiderRARosenthal ArnonGift 350K shAug 19, 2026

InsiderRARosenthal ArnonGift 1.1M shAug 19, 2026

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Top Holders

Top Holders (89)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	7.8M(+1.4%)	$15.8M	0.0%	+40.30%	28
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	4M(+9.0%)	$8.1M	0.0%	+17.04%	30
BALYASNY ASSET MANAGEMENT L.P.	Increased	3.2M(+10.6%)	$6.5M	0.0%	+56.98%	30
DED. E. Shaw & Co., Inc.	Decreased	3M(-11.2%)	$5.9M	0.0%	+12.93%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	2.8M(+9.2%)	$5.7M	0.0%	+17.05%	30
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.5M(+7.3%)	$4.9M	0.0%	-74.64%	29
MILLENNIUM MANAGEMENT LLC	Increased	2M(+0.5%)	$4M	0.0%	+3.25%	27
STATE STREET CORP	Increased	1.9M(+0.8%)	$3.8M	0.0%	-64.07%	27
JACOBS LEVY EQUITY MANAGEMENT, INC	Decreased	1.8M(-18.0%)	$3.5M	0.0%	-33.52%	0
FMR LLC	Decreased	1.4M(-22.3%)	$2.8M	0.0%	+42.49%	0
AQR CAPITAL MANAGEMENT LLC	Increased	1.3M(+84.1%)	$2.6M	0.0%	-0.03%	41
MACKENZIE FINANCIAL CORP	Increased	1.1M(+29.4%)	$2.2M	0.0%	+41.44%	33
DEUTSCHE BANK AG\	Increased	1.1M(+0.5%)	$2.2M	0.0%	-64.54%	26
TWO SIGMA INVESTMENTS, LP	Decreased	1M(-18.3%)	$2.1M	0.0%	-6.24%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	935,166(-27.4%)	$1.9M	0.0%	-44.61%	0
PANAGORA ASSET MANAGEMENT INC	Increased	845,999(+43.3%)	$1.7M	0.0%	-31.04%	35
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	818,831(+4.0%)	$1.6M	0.0%	-75.09%	27
NORTHERN TRUST CORP	Increased	773,462(+11.7%)	$1.6M	0.0%	-79.23%	29
VFVANGUARD FIDUCIARY TRUST CO	Increased	663,592(+14.8%)	$1.3M	0.0%	+17.30%	29
MWMARSHALL WACE, LLP	Decreased	598,559(-3.5%)	$1.2M	0.0%	+43.12%	0

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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