XENE

Xenon Pharmaceuticals Inc.

Company with tickers: XENE

CIK
1582313
CUSIP
98420N105
Shares Outstanding
96,665,550
Holders: 249
Total Value: $3,739,571,293
Total Shares: 83,435,329
Showing 1–100 of 259 holdings by value · page 1 of 3

Institutional Ownership Trend

24 quarters

Holder Concentration

Across 249 13F filers · Δ vs Sep 30, 2025
Top Holder
10.7%
−0.1 pts
Top 5
34.5%
+1.6 pts
Top 10
50.7%
−1.0 pts
HHI
359
Broadly held −4

Quarterly Activity

vs Sep 30, 2025
New
58
Increased
81
Decreased
68
Sold Out
28
Unchanged
42
Holder count: +30
Institutional value: +12.6%
Shares held: +0.8%

Top Buyers

vs Sep 30, 2025
Institution Added Now Holds
Mega WELLINGTON MANAGEMENT GROUP LLP +1,154,922 4,764,779
Mega PRICE T ROWE ASSOCIATES INC /MD/ +820,608 862,300
Small Caligan Partners LP +654,800 1,099,365
Mega BARCLAYS PLC +489,664 600,964
Mega GOLDMAN SACHS GROUP INC +458,181 696,047

Top Sellers

vs Sep 30, 2025
Institution Sold Now Holds
Mid BRAIDWELL LP −1,779,953 1,825,076
Mid COMMODORE CAPITAL LP −900,000 1,800,000
Mid Deep Track Capital, LP −833,565 366,435
Mega VANGUARD GROUP INC −833,291 18,095
Mega MILLENNIUM MANAGEMENT LLC −813,951 635,056

Top New Positions

vs Sep 30, 2025
Institution Acquired Value (USD)
Small Trails Edge Capital Partners, LP 597,092 $26,761,663
Large TWO SIGMA INVESTMENTS, LP 436,743 $19,574,821
Large Tudor Investment Corp Et Al 261,002 $11,698,109
Small Iron Triangle Partners LP 233,688 $10,473,896
Mid Eversept Partners, LP 231,380 $10,370,451

Top Sold-Out Positions

vs Sep 30, 2025
Institution Previously Held Last Value (USD)
Micro T. Rowe Price Investment Management, Inc. 599,113 $24,054,386
Small Saturn V Capital Management LLC 503,701 $20,223,595
Small Tri Locum Partners LP 366,102 $14,698,995
Small GREAT POINT PARTNERS LLC 200,000 $8,030,000
Micro ADAR1 Capital Management, LLC 189,098 $7,592,284
100 of 100 shown Export CSV
Holder Value (USD) % of 13F Shares Action
Mega FMR LLC $399,805,603 10.69% 8,920,250 View
Mid Avoro Capital Advisors LLC $243,123,580 6.50% 5,424,444 View
Mega BlackRock, Inc. $228,594,723 6.11% 5,100,284 View
Mega WELLINGTON MANAGEMENT GROUP LLP $213,557,390 5.71% 4,764,779 View
Large DRIEHAUS CAPITAL MANAGEMENT LLC $203,424,130 5.44% 4,538,691 View
Mega JANUS HENDERSON GROUP PLC $183,046,403 4.89% 4,084,034 View
Mega Capital International Investors $153,058,462 4.09% 3,414,959 View
Large Polar Capital Holdings Plc $110,512,405 2.96% 2,465,694 View
Mid BRAIDWELL LP $81,799,906 2.19% 1,825,076 View
Mid COMMODORE CAPITAL LP $80,676,000 2.16% 1,800,000 View
Mega ALLIANCEBERNSTEIN L.P. $71,434,743 1.91% 1,593,814 View
Mega JPMORGAN CHASE & CO $66,962,511 1.79% 1,494,032 View
Mega STATE STREET CORP $66,896,091 1.79% 1,492,550 View
Mega CITADEL ADVISORS LLC $59,216,766 1.58% 1,321,213 View
Mega JENNISON ASSOCIATES LLC $57,909,905 1.55% 1,292,055 View
Large Holocene Advisors, LP $57,462,870 1.54% 1,282,081 View
Mid Affinity Asset Advisors, LLC $56,025,000 1.50% 1,250,000 View
Large WESTFIELD CAPITAL MANAGEMENT CO LP $54,983,876 1.47% 1,226,771 View
Mega GEODE CAPITAL MANAGEMENT, LLC $42,699,072 1.14% 952,679 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $38,648,285 1.03% 862,300 View
Mid Siren, L.L.C. $36,427,948 0.97% 812,761 View
Small First Turn Management, LLC $35,844,481 0.96% 799,743 View
Mid Rock Springs Capital Management LP $35,308,658 0.94% 787,788 View
Mega FRANKLIN RESOURCES INC $33,976,203 0.91% 758,059 View
Large Standard Life Aberdeen plc $33,628,042 0.90% 750,291 View
Mega GOLDMAN SACHS GROUP INC $31,196,825 0.83% 696,047 View
Large FIERA CAPITAL CORP $30,749,029 0.82% 686,056 View
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $30,706,182 0.82% 685,100 View
Mega AMERICAN CENTURY COMPANIES INC $30,498,799 0.82% 680,473 View
Large FEDERATED HERMES, INC. $30,129,662 0.81% 672,237 View
Mega Capital World Investors $29,390,132 0.79% 655,737 View
Mega MILLENNIUM MANAGEMENT LLC $28,463,209 0.76% 635,056 View
Large Pictet Asset Management Holding SA $28,056,647 0.75% 625,985 View
Large LOOMIS SAYLES & CO L P $27,431,273 0.73% 612,032 View
Mega BARCLAYS PLC $26,935,205 0.72% 600,964 View
Mid Vestal Point Capital, LP $26,892,000 0.72% 600,000 View
Small Trails Edge Capital Partners, LP $26,761,663 0.72% 597,092 View
Small Caligan Partners LP $24,637,554 0.66% 549,700 View
Small Caligan Partners LP $24,635,985 0.66% 549,665 View
Mid DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) $24,293,336 0.65% 542,020 View
Mid TimesSquare Capital Management, LLC $23,877,406 0.64% 532,740 View
Small MPM ONCOLOGY IMPACT MANAGEMENT LP $21,765,488 0.58% 485,620 View
Mega DIMENSIONAL FUND ADVISORS LP $20,265,226 0.54% 452,147 View
Mid ORBIMED ADVISORS LLC $20,043,504 0.54% 447,200 View
Mega NORTHERN TRUST CORP $19,663,158 0.53% 438,714 View
Large TWO SIGMA INVESTMENTS, LP $19,574,821 0.52% 436,743 View
Large Candriam Luxembourg S.C.A. $18,707,957 0.50% 417,402 View
Mega Bank of New York Mellon Corp $17,352,417 0.46% 387,158 View
Large BAKER BROS. ADVISORS LP $16,592,722 0.44% 370,208 View
Mid Deep Track Capital, LP $16,423,616 0.44% 366,435 View
Small StemPoint Capital LP $15,624,476 0.42% 348,605 View
Large Caption Management, LLC $12,997,800 0.35% 290,000 View
Large Caption Management, LLC $12,997,800 0.35% 290,000 View
Small DAFNA Capital Management LLC $12,905,425 0.35% 287,939 View
Large DNB Asset Management AS $12,228,285 0.33% 272,831 View
Large TWO SIGMA ADVISERS, LP $11,622,722 0.31% 259,320 View
Large Tudor Investment Corp Et Al $11,384,369 0.30% 254,002 View
Mid Nicholas Investment Partners, LP $10,890,766 0.29% 242,989 View
Small Iron Triangle Partners LP $10,473,896 0.28% 233,688 View
Mid Eversept Partners, LP $10,370,451 0.28% 231,380 View
Small NAN FUNG TRINITY (HK) LTD $10,172,571 0.27% 226,965 View
Mega BANK OF AMERICA CORP /DE/ $9,921,711 0.27% 221,368 View
Mega Nuveen, LLC $9,691,787 0.26% 216,238 View
Large STATE OF WISCONSIN INVESTMENT BOARD $9,213,602 0.25% 205,569 View
Mid PERCEPTIVE ADVISORS LLC $8,999,452 0.24% 200,791 View
Mega DEUTSCHE BANK AG\ $8,526,241 0.23% 190,233 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $8,473,624 0.23% 189,059 View
Large NEW YORK STATE COMMON RETIREMENT FUND $8,368,118 0.22% 186,705 View
Small NEXTBio Capital Management LP $8,233,613 0.22% 183,704 View
Mega Neuberger Berman Group LLC $8,011,439 0.21% 178,747 View
Mid PEREGRINE CAPITAL MANAGEMENT LLC $7,836,821 0.21% 174,851 View
Large Jain Global LLC $7,793,391 0.21% 173,882 View
Large MARSHALL WACE, LLP $7,285,535 0.19% 162,551 View
Small Foresite Capital Management IV, LLC $7,171,200 0.19% 160,000 View
Large LMR Partners LLP $6,982,956 0.19% 155,800 View
Small Parkman Healthcare Partners LLC $6,910,526 0.18% 154,184 View
Mega WELLS FARGO & COMPANY/MN $6,825,950 0.18% 152,297 View
Large NOMURA HOLDINGS INC $6,723,000 0.18% 150,000 View
Mid MOORE CAPITAL MANAGEMENT, LP $6,274,800 0.17% 140,000 View
Small Rhenman & Partners Asset Management AB $6,229,980 0.17% 139,000 View
Small Patient Square Capital LP $6,117,930 0.16% 136,500 View
Mid Redmile Group, LLC $6,000,591 0.16% 133,882 View
Mid ALGERT GLOBAL LLC $5,521,330 0.15% 123,189 View
Large Assenagon Asset Management S.A. $5,341,916 0.14% 119,186 View
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $5,203,064 0.14% 116,088 View
Large Man Group plc $5,146,501 0.14% 114,826 View
Mega Swiss National Bank $5,109,480 0.14% 114,000 View
Mega AMERIPRISE FINANCIAL INC $4,909,761 0.13% 109,544 View
Small Squadron Capital Management LLC $4,730,795 0.13% 105,551 View
Small Palo Alto Investors LP $4,325,981 0.12% 96,519 View
Large Verition Fund Management LLC $4,202,143 0.11% 93,756 View
Mega BNP PARIBAS ARBITRAGE, SA $4,188,966 0.11% 93,462 View
Mid GRANAHAN INVESTMENT MANAGEMENT INC/MA $4,158,309 0.11% 92,778 View
Small Atika Capital Management LLC $4,146,118 0.11% 92,506 View
Mega RHUMBLINE ADVISERS $4,040,209 0.11% 90,143 View
Mega ROYAL BANK OF CANADA $4,022,905 0.11% 89,757 View
Large Russell Investments Group, Ltd. $3,864,377 0.10% 86,220 View
Large Balyasny Asset Management LLC $3,781,015 0.10% 84,360 View
Mega RAYMOND JAMES FINANCIAL INC $3,731,488 0.10% 83,255 View
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $3,637,411 0.10% 81,156 View
Page 1 of 3
Next »