XENE
Xenon Pharmaceuticals Inc.Company with tickers: XENE
CIK
1582313
CUSIP
98420N105
Shares Outstanding
96,665,550
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
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
Holder Concentration
Across 249 13F filers · Δ vs Sep 30, 2025Top 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 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Mega FMR LLC | $399,805,603 | 10.69% | 8,920,250 | Shares | Defined | 2026-02-17 | View | |
| Mid Avoro Capital Advisors LLC | $243,123,580 | 6.50% | 5,424,444 | Shares | Sole | 2026-02-17 | View | |
| Mega BlackRock, Inc. | $228,594,723 | 6.11% | 5,100,284 | Shares | Sole | 2026-02-12 | View | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | $213,557,390 | 5.71% | 4,764,779 | Shares | Defined | 2026-02-17 | View | |
| Large DRIEHAUS CAPITAL MANAGEMENT LLC | $203,424,130 | 5.44% | 4,538,691 | Shares | Sole | 2026-02-17 | View | |
| Mega JANUS HENDERSON GROUP PLC | $183,046,403 | 4.89% | 4,084,034 | Shares | Defined | 2026-02-17 | View | |
| Mega Capital International Investors | $153,058,462 | 4.09% | 3,414,959 | Shares | Defined | 2026-02-11 | View | |
| Large Polar Capital Holdings Plc | $110,512,405 | 2.96% | 2,465,694 | Shares | Defined | 2026-02-17 | View | |
| Mid BRAIDWELL LP | $81,799,906 | 2.19% | 1,825,076 | Shares | Sole | 2026-02-17 | View | |
| Mid COMMODORE CAPITAL LP | $80,676,000 | 2.16% | 1,800,000 | Shares | Sole | 2026-02-17 | View | |
| Mega ALLIANCEBERNSTEIN L.P. | $71,434,743 | 1.91% | 1,593,814 | Shares | Defined | 2026-02-17 | View | |
| Mega JPMORGAN CHASE & CO | $66,962,511 | 1.79% | 1,494,032 | Shares | Other | 2026-02-11 | View | |
| Mega STATE STREET CORP | $66,896,091 | 1.79% | 1,492,550 | Shares | Defined | 2026-02-13 | View | |
| Mega CITADEL ADVISORS LLC | $59,216,766 | 1.58% | 1,321,213 | Shares | Defined | 2026-02-17 | View | |
| Mega JENNISON ASSOCIATES LLC | $57,909,905 | 1.55% | 1,292,055 | Shares | Defined | 2026-01-30 | View | |
| Large Holocene Advisors, LP | $57,462,870 | 1.54% | 1,282,081 | Shares | Sole | 2026-02-17 | View | |
| Mid Affinity Asset Advisors, LLC | $56,025,000 | 1.50% | 1,250,000 | Shares | Sole | 2026-02-13 | View | |
| Large WESTFIELD CAPITAL MANAGEMENT CO LP | $54,983,876 | 1.47% | 1,226,771 | Shares | Sole | 2026-02-11 | View | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $42,699,072 | 1.14% | 952,679 | Shares | Defined | 2026-02-09 | View | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $38,648,285 | 1.03% | 862,300 | Shares | Sole | 2026-02-17 | View | |
| Mid Siren, L.L.C. | $36,427,948 | 0.97% | 812,761 | Shares | Defined | 2026-02-13 | View | |
| Small First Turn Management, LLC | $35,844,481 | 0.96% | 799,743 | Shares | Sole | 2026-02-13 | View | |
| Mid Rock Springs Capital Management LP | $35,308,658 | 0.94% | 787,788 | Shares | Sole | 2026-02-17 | View | |
| Mega FRANKLIN RESOURCES INC | $33,976,203 | 0.91% | 758,059 | Shares | Defined | 2026-02-11 | View | |
| Large Standard Life Aberdeen plc | $33,628,042 | 0.90% | 750,291 | Shares | Defined | 2026-01-16 | View | |
| Mega GOLDMAN SACHS GROUP INC | $31,196,825 | 0.83% | 696,047 | Shares | Defined | 2026-02-10 | View | |
| Large FIERA CAPITAL CORP | $30,749,029 | 0.82% | 686,056 | Shares | Other | 2026-02-11 | View | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $30,706,182 | 0.82% | 685,100 | Shares | Sole | 2026-02-17 | View | |
| Mega AMERICAN CENTURY COMPANIES INC | $30,498,799 | 0.82% | 680,473 | Shares | Defined | 2026-02-13 | View | |
| Large FEDERATED HERMES, INC. | $30,129,662 | 0.81% | 672,237 | Shares | Defined | 2026-02-12 | View | |
| Mega Capital World Investors | $29,390,132 | 0.79% | 655,737 | Shares | Defined | 2026-02-11 | View | |
| Mega MILLENNIUM MANAGEMENT LLC | $28,463,209 | 0.76% | 635,056 | Shares | Sole | 2026-02-17 | View | |
| Large Pictet Asset Management Holding SA | $28,056,647 | 0.75% | 625,985 | Shares | Sole | 2026-01-29 | View | |
| Large LOOMIS SAYLES & CO L P | $27,431,273 | 0.73% | 612,032 | Shares | Defined | 2026-02-12 | View | |
| Mega BARCLAYS PLC | $26,935,205 | 0.72% | 600,964 | Shares | Sole | 2026-02-13 | View | |
| Mid Vestal Point Capital, LP | $26,892,000 | 0.72% | 600,000 | Shares | Sole | 2026-02-17 | View | |
| Small Trails Edge Capital Partners, LP | $26,761,663 | 0.72% | 597,092 | Shares | Sole | 2026-02-17 | View | |
| Small Caligan Partners LP | $24,637,554 | 0.66% | 549,700 | Put | Sole | 2026-02-17 | View | |
| Small Caligan Partners LP | $24,635,985 | 0.66% | 549,665 | Shares | Sole | 2026-02-17 | View | |
| Mid DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | $24,293,336 | 0.65% | 542,020 | Shares | Defined | 2026-02-17 | View | |
| Mid TimesSquare Capital Management, LLC | $23,877,406 | 0.64% | 532,740 | Shares | Sole | 2026-02-06 | View | |
| Small MPM ONCOLOGY IMPACT MANAGEMENT LP | $21,765,488 | 0.58% | 485,620 | Shares | Sole | 2026-02-17 | View | |
| Mega DIMENSIONAL FUND ADVISORS LP | $20,265,226 | 0.54% | 452,147 | Shares | Sole | 2026-02-12 | View | |
| Mid ORBIMED ADVISORS LLC | $20,043,504 | 0.54% | 447,200 | Shares | Defined | 2026-02-17 | View | |
| Mega NORTHERN TRUST CORP | $19,663,158 | 0.53% | 438,714 | Shares | Other | 2026-02-17 | View | |
| Large TWO SIGMA INVESTMENTS, LP | $19,574,821 | 0.52% | 436,743 | Shares | Sole | 2026-02-17 | View | |
| Large Candriam Luxembourg S.C.A. | $18,707,957 | 0.50% | 417,402 | Shares | Sole | 2026-02-13 | View | |
| Mega Bank of New York Mellon Corp | $17,352,417 | 0.46% | 387,158 | Shares | Defined | 2026-02-10 | View | |
| Large BAKER BROS. ADVISORS LP | $16,592,722 | 0.44% | 370,208 | Shares | Sole | 2026-02-17 | View | |
| Mid Deep Track Capital, LP | $16,423,616 | 0.44% | 366,435 | Shares | Sole | 2026-02-13 | View | |
| Small StemPoint Capital LP | $15,624,476 | 0.42% | 348,605 | Shares | Sole | 2026-02-17 | View | |
| Large Caption Management, LLC | $12,997,800 | 0.35% | 290,000 | Put | Sole | 2026-02-17 | View | |
| Large Caption Management, LLC | $12,997,800 | 0.35% | 290,000 | Call | Sole | 2026-02-17 | View | |
| Small DAFNA Capital Management LLC | $12,905,425 | 0.35% | 287,939 | Shares | Sole | 2026-02-17 | View | |
| Large DNB Asset Management AS | $12,228,285 | 0.33% | 272,831 | Shares | Other | 2026-02-05 | View | |
| Large TWO SIGMA ADVISERS, LP | $11,622,722 | 0.31% | 259,320 | Shares | Sole | 2026-02-17 | View | |
| Large Tudor Investment Corp Et Al | $11,384,369 | 0.30% | 254,002 | Shares | Defined | 2026-02-17 | View | |
| Mid Nicholas Investment Partners, LP | $10,890,766 | 0.29% | 242,989 | Shares | Sole | 2026-02-13 | View | |
| Small Iron Triangle Partners LP | $10,473,896 | 0.28% | 233,688 | Shares | Sole | 2026-02-17 | View | |
| Mid Eversept Partners, LP | $10,370,451 | 0.28% | 231,380 | Shares | Sole | 2026-02-17 | View | |
| Small NAN FUNG TRINITY (HK) LTD | $10,172,571 | 0.27% | 226,965 | Shares | Sole | 2026-02-04 | View | |
| Mega BANK OF AMERICA CORP /DE/ | $9,921,711 | 0.27% | 221,368 | Shares | Defined | 2026-02-17 | View | |
| Mega Nuveen, LLC | $9,691,787 | 0.26% | 216,238 | Shares | Defined | 2026-02-12 | View | |
| Large STATE OF WISCONSIN INVESTMENT BOARD | $9,213,602 | 0.25% | 205,569 | Shares | Sole | 2026-02-17 | View | |
| Mid PERCEPTIVE ADVISORS LLC | $8,999,452 | 0.24% | 200,791 | Shares | Sole | 2026-02-17 | View | |
| Mega DEUTSCHE BANK AG\ | $8,526,241 | 0.23% | 190,233 | Shares | Defined | 2026-02-11 | View | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8,473,624 | 0.23% | 189,059 | Shares | Sole | 2026-02-13 | View | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $8,368,118 | 0.22% | 186,705 | Shares | Sole | 2026-02-12 | View | |
| Small NEXTBio Capital Management LP | $8,233,613 | 0.22% | 183,704 | Shares | Sole | 2026-02-13 | View | |
| Mega Neuberger Berman Group LLC | $8,011,439 | 0.21% | 178,747 | Shares | Defined | 2026-02-13 | View | |
| Mid PEREGRINE CAPITAL MANAGEMENT LLC | $7,836,821 | 0.21% | 174,851 | Shares | Sole | 2026-01-28 | View | |
| Large Jain Global LLC | $7,793,391 | 0.21% | 173,882 | Shares | Sole | 2026-02-17 | View | |
| Large MARSHALL WACE, LLP | $7,285,535 | 0.19% | 162,551 | Shares | Other | 2026-02-13 | View | |
| Small Foresite Capital Management IV, LLC | $7,171,200 | 0.19% | 160,000 | Shares | Sole | 2026-02-17 | View | |
| Large LMR Partners LLP | $6,982,956 | 0.19% | 155,800 | Put | Sole | 2026-02-17 | View | |
| Small Parkman Healthcare Partners LLC | $6,910,526 | 0.18% | 154,184 | Shares | Sole | 2026-02-17 | View | |
| Mega WELLS FARGO & COMPANY/MN | $6,825,950 | 0.18% | 152,297 | Shares | Defined | 2026-02-13 | View | |
| Large NOMURA HOLDINGS INC | $6,723,000 | 0.18% | 150,000 | Call | Defined | 2026-02-17 | View | |
| Mid MOORE CAPITAL MANAGEMENT, LP | $6,274,800 | 0.17% | 140,000 | Shares | Sole | 2026-02-17 | View | |
| Small Rhenman & Partners Asset Management AB | $6,229,980 | 0.17% | 139,000 | Shares | Sole | 2026-02-13 | View | |
| Small Patient Square Capital LP | $6,117,930 | 0.16% | 136,500 | Shares | Sole | 2026-02-12 | View | |
| Mid Redmile Group, LLC | $6,000,591 | 0.16% | 133,882 | Shares | Sole | 2026-02-17 | View | |
| Mid ALGERT GLOBAL LLC | $5,521,330 | 0.15% | 123,189 | Shares | Sole | 2026-02-17 | View | |
| Large Assenagon Asset Management S.A. | $5,341,916 | 0.14% | 119,186 | Shares | Sole | 2026-01-09 | View | |
| Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | $5,203,064 | 0.14% | 116,088 | Shares | Sole | 2026-02-10 | View | |
| Large Man Group plc | $5,146,501 | 0.14% | 114,826 | Shares | Defined | 2026-02-17 | View | |
| Mega Swiss National Bank | $5,109,480 | 0.14% | 114,000 | Shares | Sole | 2026-02-12 | View | |
| Mega AMERIPRISE FINANCIAL INC | $4,909,761 | 0.13% | 109,544 | Shares | Defined | 2026-02-17 | View | |
| Small Squadron Capital Management LLC | $4,730,795 | 0.13% | 105,551 | Shares | Sole | 2026-02-17 | View | |
| Small Palo Alto Investors LP | $4,325,981 | 0.12% | 96,519 | Shares | Sole | 2026-02-17 | View | |
| Large Verition Fund Management LLC | $4,202,143 | 0.11% | 93,756 | Shares | Sole | 2026-02-13 | View | |
| Mega BNP PARIBAS ARBITRAGE, SA | $4,188,966 | 0.11% | 93,462 | Shares | Defined | 2026-02-10 | View | |
| Mid GRANAHAN INVESTMENT MANAGEMENT INC/MA | $4,158,309 | 0.11% | 92,778 | Shares | Sole | 2026-02-17 | View | |
| Small Atika Capital Management LLC | $4,146,118 | 0.11% | 92,506 | Shares | Defined | 2026-02-13 | View | |
| Mega RHUMBLINE ADVISERS | $4,040,209 | 0.11% | 90,143 | Shares | Sole | 2026-02-13 | View | |
| Mega ROYAL BANK OF CANADA | $4,022,905 | 0.11% | 89,757 | Shares | Defined | 2026-02-17 | View | |
| Large Russell Investments Group, Ltd. | $3,864,377 | 0.10% | 86,220 | Shares | Defined | 2026-02-17 | View | |
| Large Balyasny Asset Management LLC | $3,781,015 | 0.10% | 84,360 | Shares | Sole | 2026-02-17 | View | |
| Mega RAYMOND JAMES FINANCIAL INC | $3,731,488 | 0.10% | 83,255 | Shares | Defined | 2026-02-18 | View | |
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP | $3,637,411 | 0.10% | 81,156 | Shares | Sole | 2026-02-13 | View | |
| No holders match your search. | ||||||||