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Security record · archived quarter

XENE

Xenon Pharmaceuticals Inc. · Healthcare · Biotechnology

36.21 +0.7% mkt cap $3.51B quote delayed (FMP) · as of Oct 22 17:08 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
96Tracked holders
0Δ holders
51.65MShares held
$2.31BReported value
+1New positions
−1Exits
Stable Conviction score 51/100 4 quarters of rising tracked shares ●●●●○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +0.3% · net new positions 0.0% · formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 1 0 130 $5,069 n/a −1
Q2 2026 113 +7 55.63M $3.35B +11 −5
Q1 2026 110 +12 59.13M $3.41B +18 −6
Q4 2025 96 0 51.65M $2.31B +1 −1
Q3 2025 17 0 29.02M $1.17B n/a n/a
Q2 2025 14 -1 23.81M $745.12M +1 −2
Q1 2025 12 +1 10.74M $360.22M +1 n/a
Q4 2024 11 -1 10.24M $401.45M n/a −1
Q3 2024 11 0 11.68M $459.86M n/a n/a
Q2 2024 11 n/a 11.68M $455.36M n/a n/a
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Fidelity (FMR) ✦ 8.92M 0.0% $399.81M 0.0% ▲ Add 3 SEC ↗ ×3
2 BlackRock ✦ (passive) 5.10M +6.9% $228.59M 0.0% ▲ Add 3 SEC ↗ ×15
3 Wellington Management ✦ 4.76M +32.0% $213.56M 0.0% ▲ Add 7 SEC ↗ ×8
4 Janus Henderson Group Plc 4.08M n/a $183.11M 0.1% n/c 1 SEC ↗ ×3
5 Capital International Investors 3.41M n/a $153.06M 0.0% n/c 1 SEC ↗
6 Alliancebernstein L.P. 1.59M n/a $71.43M 0.0% n/c 1 SEC ↗
7 JPMorgan Chase ✦ 1.49M -46.6% $66.96M 0.0% ▼ Trim 2 SEC ↗ ×7
8 State Street Global Advisors ✦ (passive) 1.49M +1.8% $66.90M 0.0% ▲ Add 5 SEC ↗
9 Citadel Advisors ✦ 1.32M +37.8% $59.22M 0.0% ▲ Add 7 SEC ↗ ×2
10 Jennison Associates Llc 1.29M n/a $57.91M 0.0% n/c 1 SEC ↗
11 Holocene Advisors, LP 1.28M n/a $57.46M 0.1% n/c 1 SEC ↗
12 BNP Paribas Asset Management… 1.06M n/a $47.52M 0.1% n/c 1 SEC ↗ ×3
13 Geode Capital Management ✦ (passive) 952.68K -2.5% $42.69M 0.0% ▼ Trim 7 SEC ↗ ×2
14 T. Rowe Price ✦ 862.30K +1968.3% $38.65M 0.0% ▲ Add 3 SEC ↗ ×2
15 Franklin Resources Inc 758.06K n/a $33.98M 0.0% n/c 1 SEC ↗ ×4
16 Aberdeen Group plc 750.29K n/a $33.63M 0.1% n/c 1 SEC ↗
17 Goldman Sachs Group ✦ 696.05K -3.4% $31.20M 0.0% ▼ Trim 2 SEC ↗ ×3
18 Adage Capital Partners ✦ 685.10K -18.0% $30.71M 0.0% ▼ Trim 7 SEC ↗
19 American Century Companies Inc 680.47K n/a $30.50M 0.0% n/c 1 SEC ↗
20 Federated Hermes, Inc. 672.24K n/a $30.13M 0.1% n/c 1 SEC ↗
21 The Vanguard Group ✦ (passive) 664.64K -21.9% $29.79M 0.0% ▼ Trim 3 SEC ↗ ×5
22 Capital World Investors ✦ 655.74K 0.0% $29.39M 0.0% Held 7 SEC ↗
23 Millennium Management ✦ 635.06K -54.1% $28.46M 0.0% ▼ Trim 7 SEC ↗
24 Pictet Asset Management Holding SA 625.99K n/a $28.01M 0.0% n/c 1 SEC ↗
25 Loomis Sayles & Co L P 612.03K n/a $27.43M 0.0% n/c 1 SEC ↗ ×2
26 Barclays Plc 600.96K n/a $26.94M 0.0% n/c 1 SEC ↗ ×3
27 Dimensional Fund Advisors Lp 452.15K n/a $20.26M 0.0% n/c 1 SEC ↗ ×4
28 Northern Trust Corp 438.71K n/a $19.66M 0.0% n/c 1 SEC ↗ ×6
29 Two Sigma Investments ✦ 436.74K New $19.57M 0.0% New 1 SEC ↗
30 Bank of New York Mellon Corp 387.16K n/a $17.35M 0.0% n/c 1 SEC ↗ ×9
31 Morgan Stanley ✦ 294.33K -19.7% $13.19M 0.0% ▼ Trim 2 SEC ↗ ×10
32 Tudor Investment Corp Et Al 254.00K n/a $11.38M 0.1% n/c 1 SEC ↗
33 Bank Of America Corp /De/ 221.37K n/a $9.92M 0.0% n/c 1 SEC ↗ ×6
34 Nuveen, LLC 216.24K n/a $9.69M 0.0% n/c 1 SEC ↗ ×2
35 State Of Wisconsin Investment Board 205.57K n/a $9.21M 0.0% n/c 1 SEC ↗
36 Deutsche Bank Ag\ 190.23K n/a $8.53M 0.0% n/c 1 SEC ↗ ×4
37 Charles Schwab Investment… 189.06K n/a $8.47M 0.0% n/c 1 SEC ↗
38 New York State Common Retirement… 186.71K n/a $8.37M 0.0% n/c 1 SEC ↗
39 Neuberger Berman Group LLC 178.75K n/a $8.01M 0.0% n/c 1 SEC ↗ ×2
40 Marshall Wace ✦ 162.55K -73.4% $7.29M 0.0% ▼ Trim 7 SEC ↗ ×2
41 Wells Fargo & Company/Mn 152.30K n/a $6.83M 0.0% n/c 1 SEC ↗ ×4
42 Hrt Financial Lp 129.80K n/a $5.82M 0.0% n/c 1 SEC ↗
43 Assenagon Asset Management S.A. 119.19K n/a $5.34M 0.0% n/c 1 SEC ↗
44 Man Group plc 114.83K n/a $5.15M 0.0% n/c 1 SEC ↗
45 Swiss National Bank 114.00K n/a $5.11M 0.0% n/c 1 SEC ↗
46 Ameriprise Financial Inc 109.54K n/a $4.91M 0.0% n/c 1 SEC ↗ ×2
47 Bnp Paribas Financial Markets 93.46K n/a $4.19M 0.0% n/c 1 SEC ↗
48 Rhumbline Advisers 90.14K n/a $4.04M 0.0% n/c 1 SEC ↗
49 Royal Bank Of Canada 89.76K n/a $4.02M 0.0% n/c 1 SEC ↗ ×6
50 Russell Investments Group, Ltd. 86.22K n/a $3.86M 0.0% n/c 1 SEC ↗ ×6
51 Balyasny Asset Management L.P. 84.36K n/a $3.78M 0.0% n/c 1 SEC ↗
52 Raymond James Financial Inc 83.25K n/a $3.73M 0.0% n/c 1 SEC ↗ ×2
53 Lazard Asset Management Llc 78.66K n/a $3.53M 0.0% n/c 1 SEC ↗
54 Legal & General Group Plc 70.27K n/a $3.15M 0.0% n/c 1 SEC ↗ ×3
55 Voya Investment Management Llc 60.86K n/a $2.73M 0.0% n/c 1 SEC ↗ ×2
56 California State Teachers… 56.56K n/a $2.54M 0.0% n/c 1 SEC ↗
57 UBS Group AG 52.54K n/a $2.35M 0.0% n/c 1 SEC ↗ ×4
58 Invesco Ltd. 50.95K n/a $2.28M 0.0% n/c 1 SEC ↗ ×5
59 Nomura Asset Management… 47.96K n/a $2.15M 0.0% n/c 1 SEC ↗
60 Sei Investments Co 43.86K n/a $1.97M 0.0% n/c 1 SEC ↗ ×2
61 Td Asset Management Inc 38.15K n/a $1.71M 0.0% n/c 1 SEC ↗
62 Envestnet Asset Management Inc 35.80K n/a $1.60M 0.0% n/c 1 SEC ↗
63 MIRAE ASSET GLOBAL ETFS HOLDINGS… 35.31K n/a $1.58M 0.0% n/c 1 SEC ↗
64 Manufacturers Life Insurance… 32.62K n/a $1.45M 0.0% n/c 1 SEC ↗
65 D. E. Shaw & Co. ✦ 30.85K -36.3% $1.38M 0.0% ▼ Trim 7 SEC ↗
66 Bamco Inc /Ny/ 30.00K n/a $1.34M 0.0% n/c 1 SEC ↗
67 Zurcher Kantonalbank (Zurich… 25.59K n/a $1.15M 0.0% n/c 1 SEC ↗
68 Quantinno Capital Management LP 24.63K n/a $1.10M 0.0% n/c 1 SEC ↗
69 Assetmark, Inc 21.27K n/a $953,277 0.0% n/c 1 SEC ↗
70 Creative Planning 19.20K n/a $860,544 0.0% n/c 1 SEC ↗
71 Stifel Financial Corp 17.55K n/a $786,510 0.0% n/c 1 SEC ↗ ×2
72 ProShare Advisors LLC 17.28K n/a $774,446 0.0% n/c 1 SEC ↗
73 Cibc World Market Inc. 13.46K n/a $603,277 0.0% n/c 1 SEC ↗
74 Allianz Asset Management GmbH 9.40K n/a $421,308 0.0% n/c 1 SEC ↗
75 Susquehanna International Group, Llp 8.32K n/a $372,858 0.0% n/c 1 SEC ↗
76 Citigroup Inc 7.36K n/a $329,920 0.0% n/c 1 SEC ↗ ×2
77 Pnc Financial Services Group, Inc. 6.57K n/a $294,646 0.0% n/c 1 SEC ↗ ×3
78 First Trust Advisors Lp 6.36K n/a $285,100 0.0% n/c 1 SEC ↗
79 Ensign Peak Advisors, Inc 5.19K n/a $232,795 0.0% n/c 1 SEC ↗
80 Northwestern Mutual Wealth… 5.00K n/a $224,100 0.0% n/c 1 SEC ↗
81 Mackenzie Financial Corp 4.77K n/a $210,126 0.0% n/c 1 SEC ↗
82 Amundi 4.61K n/a $206,575 0.0% n/c 1 SEC ↗
83 Principal Financial Group Inc 4.49K n/a $201,152 0.0% n/c 1 SEC ↗
84 Mirae Asset Global Investments Co.… 3.75K n/a $168,299 0.0% n/c 1 SEC ↗
85 Corient Private Wealth LP 25.11K n/a $143,380 0.0% n/c 1 SEC ↗
86 Rockefeller Capital Management L.P. 1.10K n/a $49,302 0.0% n/c 1 SEC ↗
87 Danske Bank A/S 800 n/a $35,856 0.0% n/c 1 SEC ↗
88 Cwm, Llc 366 n/a $16,000 0.0% n/c 1 SEC ↗
89 Osaic Holdings, Inc. 319 n/a $14,297 0.0% n/c 1 SEC ↗ ×2
90 Mitsubishi UFJ Asset Management… 276 n/a $12,279 0.0% n/c 1 SEC ↗
91 UBS AM, a distinct business unit of… 236 n/a $10,578 0.0% n/c 1 SEC ↗
92 Daiwa Securities Group Inc. 229 n/a $10,000 0.0% n/c 1 SEC ↗
93 National Bank Of Canada /Fi/ 190 n/a $8,516 0.0% n/c 1 SEC ↗
94 Us Bancorp \De\ 175 n/a $7,844 0.0% n/c 1 SEC ↗
95 Jones Financial Companies Lllp 150 n/a $6,723 0.0% n/c 1 SEC ↗
96 Nomura Asset Management Co Ltd 0 n/a $0 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Two Sigma Investments $19.57M 0.0%

Exited

Renaissance Technologies $208,780 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 289 holders, 98.30M shares, $5.52B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Sep 30 Kelly Thomas Patrick

Officer · Chief Financial… · 15.00K sh @ 37.32 · $559,740

Sep 30 MORTIMER IAN

Officer, Director · PRESIDENT & CEO · 30.00K sh @ 37.38 · $1.12M

Open-market sales (S)

Aug 28 KENNEY CHRISTOPHER JOHN

Officer · 6.37K sh · $383,145

Aug 28 KENNEY CHRISTOPHER JOHN

Officer · 700 sh · $42,684

Aug 11 GANNON STEVEN

Director · 10.00K sh · $640,550

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 13 SC 13G/A: WELLINGTON MANAGEMENT GROUP LLP

View original SEC filing ↗

Aug 07 SC 13G/A: FMR LLC

View original SEC filing ↗

Aug 06 SC 13G/A: FMR LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API