XENON PHARMACEUTICALS INC

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XENE·98420N105·US·Common Stock·Healthcare - Biotechnology-13D/G

XENE (XENON PHARMACEUTICALS INC) is held by 163 institutional investors as of Q2 2026. Largest holders: FMR LLC ($582.4M), BlackRock, Inc. ($454.1M), Avoro Capital Advisors LLC ($348.7M). Net institutional sentiment: Mixed.

163

Holders

(14 Elite)

$4.4B

Total Value

64% (157)

Consensus

100 buying - 57 selling

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

Smart Money Verdict

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Institutional (13F)81

Insider (Form 4)40

Activist (13D/13G)78

Congressional (STOCK Act)68

Holder Quality

85

★★★★★

Elite

41

★★★★

Strong

13

★★★

Solid

51

★★

Below

10

★

Weak

Held by 163 funds

14 elite

Who's Trading

Source dates: Price Aug 31, 2026 · Insiders Aug 31, 2026 · Activists Aug 13, 2026 · Congress none

InsiderKJKENNEY CHRISTOPHER JOHNSell $43KAug 28, 2026

InsiderKJKENNEY CHRISTOPHER JOHNSell $383KAug 28, 2026

ActivistWellington Management Group LLP1.5%Aug 13, 2026

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Top Holders

Top Holders (163)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Decreased	9.6M(-10.8%)	$582.4M	0.0%	+54.55%	0
BlackRock, Inc.	Increased	7.5M(+33.4%)	$454.1M	0.0%	+42.15%	40
Avoro Capital Advisors LLC	Unchanged	5.8M	$348.7M	3.1%	+162.53%	0
Polar Capital Holdings Plc	Increased	4.6M(+3.8%)	$275.9M	0.7%	+54.62%	45
DRIEHAUS CAPITAL MANAGEMENT LLC	Decreased	4.4M(-1.6%)	$266.7M	1.5%	+107.76%	0
JPMORGAN CHASE & CO	Increased	2.6M(+36.1%)	$157.4M	0.0%	+32.30%	39
Capital International Investors	Decreased	2.4M(-11.7%)	$142.5M	0.0%	+112.67%	0
STATE STREET CORP	Increased	2M(+14.5%)	$118.9M	0.0%	+51.79%	34
TWO SIGMA INVESTMENTS, LP	Increased	1.6M(+171.1%)	$99.2M	0.1%	+10.41%	48
WESTFIELD CAPITAL MANAGEMENT CO LP	Increased	1.5M(+7.5%)	$91M	0.3%	+44.38%	38
ALLIANCEBERNSTEIN L.P.	Increased	1.6M(+11.3%)	$90.8M	0.0%	+51.82%	33
FRANKLIN RESOURCES INC	Increased	1.4M(+12.3%)	$86.8M	0.0%	+38.77%	33
WELLINGTON MANAGEMENT GROUP LLP	Decreased	1.4M(-70.5%)	$86M	0.0%	+44.02%	0
CITADEL ADVISORS LLC	Decreased	1.4M(-47.2%)	$84.6M	0.0%	+43.05%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.4M(+25.4%)	$82.7M	0.0%	+53.50%	37
BNP Paribas Asset Management Holding S.A.	Decreased	1.3M(-3.8%)	$77.9M	0.1%	+41.27%	0
Pictet Asset Management Holding SA	Increased	1.2M(+74.7%)	$71.6M	0.1%	+29.90%	45
Nuveen, LLC	Increased	993,126(+297.2%)	$59.9M	0.0%	+11.70%	48
Invesco Ltd.	Increased	903,458(+1428.6%)	$54.5M	0.0%	+1.59%	47
AMERICAN CENTURY COMPANIES INC	Increased	884,319(+30.2%)	$53.4M	0.0%	+53.18%	37

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XENEXENON PHARMACEUTICALS 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