XENE · Xenon Pharmaceuticals Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding XENE
All superinvestors →Holder Concentration
Across 318 13F filersWho Holds XENE
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 315 filers, like-for-like change +0.9%; actively managed books -2.6%; index-like books +24.0%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 46.9% | 158 | -2.1% |
| Exempt adviser | 0.8% | 5 | +150.0% |
| Adviser | 9.1% | 12 | +19.7% |
| Bank | 6.4% | 17 | +20.3% |
| Insurer | 0.1% | 3 | +186.1% |
| Broker-dealer | 0.0% | 1 | -81.7% |
| Benefit plan | 0.4% | 5 | +2.0% |
| Non-US | 2.0% | 10 | -15.1% |
| Holding company | 20.4% | 10 | -12.3% |
| Unknown | 13.8% | 94 | +17.3% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 16.2% | 34 | +24.0% |
| Systematic-like | 7.4% | 34 | +8.7% |
| Concentrated | 9.6% | 44 | -8.6% |
| Diversified active | 66.7% | 203 | -2.8% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 50.0% | 144 | +11.7% |
| Medium turnover | 34.2% | 89 | -10.0% |
| High turnover | 9.5% | 53 | -11.4% |
| Unknown | 6.3% | 29 | +11.9% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 7.0% | 50 | +8.0% |
| Medium horizon | 21.3% | 50 | +12.5% |
| Long horizon | 56.2% | 182 | -2.7% |
| Unknown | 15.5% | 33 | -2.7% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 3.4% | 56 | +0.7% |
| $1B to $10B | 14.6% | 89 | -13.1% |
| $10B to $100B | 27.4% | 96 | -2.5% |
| $100B or more | 54.6% | 74 | +7.4% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.4% | 50 | +28.4% |
| Pooled investment vehicles | 28.3% | 57 | -11.9% |
| Registered funds and BDCs | 6.3% | 17 | +30.2% |
| Pension and profit sharing plans | 0.0% | 2 | +678.3% |
| Insurance companies | 0.1% | 3 | +16.7% |
| Governments and sovereign funds | 2.2% | 8 | +56.6% |
| Other investment advisers | 0.0% | 3 | +1.4% |
| Other | 0.0% | 1 | -60.0% |
| Diversified | 9.5% | 16 | +4.9% |
| Corporations | 0.0% | 0 | — |
| Unknown | 53.1% | 158 | +3.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 29.2% | 63 | -7.2% |
| Private equity funds | 0.6% | 10 | +4.2% |
| Venture capital funds | 0.4% | 2 | 0.0% |
| Real estate funds | 0.0% | 2 | +1.5% |
| Securitized asset funds | 0.4% | 1 | -0.1% |
| Other private funds | 6.1% | 15 | +16.2% |
| Mixed private funds | 7.4% | 4 | +2.2% |
| Private funds, type not stated | 0.0% | 3 | -64.5% |
| No private funds | 3.6% | 62 | +25.1% |
| Unknown | 52.3% | 153 | +2.8% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 88.0% | 250 | 0.0% |
| Outside the US | 12.0% | 65 | +8.1% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 2 holders with no observed 2026-03-31 13F and 1 holder with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
315 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net sellers of $388,652 (0 buying, 1 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 52.9% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies XENE's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | ELVN Enliven Therapeutics, Inc. | 24 |
| 2 | GPCR Structure Therapeutics Inc. | 21 |
| 3 | DNTH Dianthus Therapeutics, Inc. /DE/ | 22 |
| 4 | RYTM Rhythm Pharmaceuticals, Inc. | 20 |
| 5 | CLDX Celldex Therapeutics, Inc. | 19 |
| 6 | PHVS Pharvaris N.V. | 17 |
| 7 | STOK Stoke Therapeutics, Inc. | 13 |
| 8 | EWTX Edgewise Therapeutics, Inc. | 16 |
| 9 | SYRE Spyre Therapeutics, Inc. | 19 |
| 10 | COGT Cogent Biosciences, Inc. | 21 |
Shareholder Targets
13F filers that own its peers but not XENE, quarter ended Jun 30, 2026Found through its holder-overlap peers: ELVN, GPCR, DNTH, RYTM, CLDX, PHVS, STOK, EWTX, SYRE, COGT, CYTK, MLYS, SNDX, PRAX, RVMD, MIRM, AVTX, MBX, TRVI, SION. 839 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | FARALLON CAPITAL MANAGEMENT LLC Registered adviser, Diversified active | $2,584,614,014 3 held | RVMD, AVTX, COGT |
| 2 | Paradigm Biocapital Advisors LP Registered adviser, Concentrated | $2,085,829,205 4 held | RVMD, EWTX, SYRE |
| 3 | Darwin Global Management, Ltd. Exempt adviser, Concentrated | $1,990,753,064 1 held | RVMD |
| 4 | RA CAPITAL MANAGEMENT, L.P. Registered adviser, Concentrated | $1,780,261,971 6 held | RYTM, SION, EWTX |
| 5 | PERCEPTIVE ADVISORS LLC Registered adviser, Diversified active | $1,690,860,221 9 held | PRAX, SYRE, RYTM |
| 6 | Frazier Life Sciences Management, L.P. Registered adviser, Concentrated | $1,550,432,500 4 held | MIRM, MBX, TRVI |
| 7 | Nextech Invest, Ltd. Exempt adviser, Concentrated | $1,423,531,573 1 held | RVMD |
| 8 | RTW INVESTMENTS, LP Registered adviser, Diversified active | $1,008,357,170 7 held | SYRE, CYTK, STOK |
| 9 | BVF INC/IL Unknown, Concentrated | $981,353,770 5 held | RVMD, GPCR, MIRM |
| 10 | TCG Crossover Management, LLC Unknown, Diversified active | $834,716,224 8 held | COGT, SYRE, DNTH |
Fund Ownership of XENE by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 7.51% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 2.10% | 2,036,529 |
| Index ETFs | 5.40% | 5,233,504 |
| Active ETFs | 0.37% | 361,047 |
| Active funds | 32.55% | 31,525,320 |
| Unclassified | 0.23% | 227,120 |
| All registered funds | 40.67% | 39,383,520 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega FMR LLC Holding company | $582,353,157 | 9.44% | 9,647,998 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $454,057,006 | 7.36% | 7,522,482 | Shares | 2026-08-07 | |
| Large Avoro Capital Advisors LLC Registered adviser | $348,746,619 | 5.65% | 5,777,777 | Shares | 2026-08-14 | |
| Large Polar Capital Holdings Plc Registered adviser | $275,878,760 | 4.47% | 4,570,556 | Shares | 2026-08-14 | |
| Large Driehaus Capital Management LLC Registered adviser | $266,704,100 | 4.32% | 4,418,557 | Shares | 2026-08-14 | |
| Mega Jupiter Topco LLC | $252,698,286 | 4.10% | 4,186,519 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $196,062,498 | 3.18% | 3,248,219 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $157,983,846 | 2.56% | 2,617,360 | Shares | 2026-08-12 | |
| Mega Capital International Investors Adviser | $142,548,530 | 2.31% | 2,361,639 | Shares | 2026-08-12 | |
| Mega T. Rowe Price Investment Management, Inc. Adviser | $130,895,549 | 2.12% | 2,168,581 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $118,886,806 | 1.93% | 1,969,629 | Shares | 2026-09-22 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $99,162,305 | 1.61% | 1,642,848 | Shares | 2026-08-14 | |
| Mid DEERFIELD MANAGEMENT COMPANY, L.P. Registered adviser | $97,523,410 | 1.58% | 1,615,696 | Shares | 2026-08-14 | |
| Mid Affinity Asset Advisors, LLC Registered adviser | $96,274,200 | 1.56% | 1,595,000 | Shares | 2026-08-13 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $94,298,979 | 1.53% | 1,562,276 | Shares | 2026-08-14 | |
| Large WESTFIELD CAPITAL MANAGEMENT CO LP Registered adviser | $90,980,265 | 1.47% | 1,507,294 | Shares | 2026-08-12 | |
| Mega FRANKLIN RESOURCES INC Adviser | $86,780,295 | 1.41% | 1,437,712 | Shares | 2026-08-13 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $86,042,693 | 1.39% | 1,425,492 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $84,578,966 | 1.37% | 1,401,242 | Shares | 2026-09-02 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $82,700,080 | 1.34% | 1,370,114 | Shares | 2026-08-12 | |
| Mid Siren, L.L.C. | $79,588,523 | 1.29% | 1,318,564 | Shares | 2026-08-13 | |
| Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. Non-US | $77,908,522 | 1.26% | 1,290,731 | Shares | 2026-08-13 | |
| Mega Pictet Asset Management Holding SA | $71,690,960 | 1.16% | 1,187,723 | Shares | 2026-07-30 | |
| Mid BRAIDWELL LP Registered adviser | $68,294,442 | 1.11% | 1,131,452 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $59,945,084 | 0.97% | 993,126 | Shares | 2026-08-11 | |
| Mega Invesco Ltd. Adviser | $54,532,721 | 0.88% | 903,458 | Shares | 2026-08-14 | |
| Mid ORBIMED ADVISORS LLC Registered adviser | $53,869,549 | 0.87% | 892,471 | Shares | 2026-08-14 | |
| Mid Caligan Partners LP Registered adviser | $53,717,019 | 0.87% | 889,944 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $53,377,494 | 0.87% | 884,319 | Shares | 2026-08-12 | |
| Large FEDERATED HERMES, INC. Adviser | $53,342,365 | 0.86% | 883,737 | Shares | 2026-08-12 | |
| Mega Capital World Investors Adviser | $52,077,099 | 0.84% | 862,775 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $46,696,002 | 0.76% | 773,625 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $45,248,934 | 0.73% | 749,651 | Shares | 2026-08-13 | |
| Large Caption Management, LLC Registered adviser | $43,942,080 | 0.71% | 728,000 | Call | 2026-08-14 | |
| Mid Vestal Point Capital, LP Registered adviser | $42,252,000 | 0.68% | 700,000 | Shares | 2026-08-14 | |
| Large Alyeska Investment Group, L.P. Registered adviser | $42,112,689 | 0.68% | 697,692 | Shares | 2026-08-14 | |
| Large MARSHALL WACE, LLP Exempt adviser | $41,608,682 | 0.67% | 689,342 | Shares | 2026-08-13 | |
| Mid Rock Springs Capital Management LP Registered adviser | $41,280,626 | 0.67% | 683,907 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $40,535,720 | 0.66% | 671,566 | Shares | 2026-08-13 | |
| Large PANAGORA ASSET MANAGEMENT INC Registered adviser | $40,080,911 | 0.65% | 664,031 | Shares | 2026-08-06 | |
| Small First Turn Management, LLC Registered adviser | $36,228,072 | 0.59% | 600,200 | Shares | 2026-08-14 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $32,919,559 | 0.53% | 545,387 | Shares | 2026-08-14 | |
| Large LOOMIS SAYLES & CO L P Registered adviser | $31,826,198 | 0.52% | 527,273 | Shares | 2026-08-14 | |
| Mid Octagon Capital Advisors LP Registered adviser | $29,576,400 | 0.48% | 490,000 | Shares | 2026-08-14 | |
| Mid NOVO HOLDINGS A/S | $29,301,037 | 0.47% | 485,438 | Shares | 2026-08-14 | |
| Large Candriam S.C.A. Registered adviser | $27,932,676 | 0.45% | 462,768 | Shares | 2026-08-13 | |
| Mid TimesSquare Capital Management, LLC Registered adviser | $27,258,153 | 0.44% | 451,593 | Shares | 2026-08-07 | |
| Mid Logos Global Management LP Registered adviser | $27,162,000 | 0.44% | 450,000 | Shares | 2026-08-14 | |
| Small Trails Edge Capital Partners, LP | $26,558,400 | 0.43% | 440,000 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $25,442,821 | 0.41% | 421,518 | Shares | 2026-08-06 | |
| Mid ALGERT GLOBAL LLC Registered adviser | $25,337,498 | 0.41% | 419,773 | Shares | 2026-08-13 | |
| Large Aberdeen Group plc Holding company | $24,671,304 | 0.40% | 408,736 | Shares | 2026-07-31 | |
| Mega MORGAN STANLEY Holding company | $24,521,669 | 0.40% | 406,257 | Shares | 2026-08-13 | |
| Large Fiera Capital Corp Non-US | $24,484,308 | 0.40% | 405,638 | Shares | 2026-08-07 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $24,389,482 | 0.40% | 404,067 | Shares | 2026-08-14 | |
| Small Parkman Healthcare Partners LLC Registered adviser | $23,985,796 | 0.39% | 397,379 | Shares | 2026-08-14 | |
| Mid Nicholas Investment Partners, LP Registered adviser | $23,893,143 | 0.39% | 395,844 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $22,742,259 | 0.37% | 376,777 | Shares | 2026-08-14 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser | $22,619,786 | 0.37% | 374,748 | Shares | 2026-08-13 | |
| Large BAKER BROS. ADVISORS LP Registered adviser | $22,345,754 | 0.36% | 370,208 | Shares | 2026-08-14 | |
| Small Jones Hill Capital LP Registered adviser | $22,206,444 | 0.36% | 367,900 | Shares | 2026-08-13 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $19,227,556 | 0.31% | 318,548 | Shares | 2026-08-14 | |
| Large Man Group plc | $18,748,841 | 0.30% | 310,617 | Shares | 2026-08-14 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser | $18,108,000 | 0.29% | 300,000 | Shares | 2026-08-14 | |
| Mid Soleus Capital Management, L.P. | $16,116,120 | 0.26% | 267,000 | Shares | 2026-08-11 | |
| Mid Jump Financial, LLC | $15,737,662 | 0.26% | 260,730 | Shares | 2026-08-13 | |
| Small DAFNA Capital Management LLC Registered adviser | $15,136,597 | 0.25% | 250,772 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $15,058,190 | 0.24% | 249,473 | Shares | 2026-08-14 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD Benefit plan | $15,018,835 | 0.24% | 248,821 | Shares | 2026-08-14 | |
| Mid NAN FUNG TRINITY (HK) LTD | $14,955,095 | 0.24% | 247,765 | Shares | 2026-07-24 | |
| Mid Duquesne Family Office LLC | $14,401,896 | 0.23% | 238,600 | Shares | 2026-08-14 | |
| Large Allspring Global Investments Holdings, LLC Holding company | $14,149,107 | 0.23% | 234,412 | Shares | 2026-08-13 | |
| Mid Redmile Group, LLC Registered adviser | $13,845,014 | 0.22% | 229,374 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $13,721,638 | 0.22% | 227,330 | Shares | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $13,515,931 | 0.22% | 223,922 | Shares | 2026-08-14 | |
| Small Patient Square Capital LP | $13,279,200 | 0.22% | 220,000 | Shares | 2026-08-12 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $12,704,029 | 0.21% | 210,471 | Shares | 2026-07-29 | |
| Mega JENNISON ASSOCIATES LLC Registered adviser | $12,558,501 | 0.20% | 208,060 | Shares | 2026-08-03 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $12,470,616 | 0.20% | 206,604 | Shares | 2026-08-13 | |
| Large Trexquant Investment LP Registered adviser | $12,220,183 | 0.20% | 202,455 | Shares | 2026-08-14 | |
| Large DNB Asset Management AS Adviser | $12,099,222 | 0.20% | 200,451 | Shares | 2026-08-11 | |
| Mid Integral Health Asset Management, LLC Registered adviser | $12,072,000 | 0.20% | 200,000 | Shares | 2026-08-14 | |
| Mid Eversept Partners, LP Registered adviser | $11,862,671 | 0.19% | 196,532 | Shares | 2026-08-14 | |
| Large Balyasny Asset Management L.P. Registered adviser | $11,674,045 | 0.19% | 193,407 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Non-US | $11,536,364 | 0.19% | 191,126 | Shares | 2026-08-07 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $11,438,220 | 0.19% | 189,500 | Call | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $11,293,959 | 0.18% | 187,110 | Shares | 2026-08-13 | |
| Small SILVERARC CAPITAL MANAGEMENT, LLC Registered adviser | $11,276,515 | 0.18% | 186,821 | Shares | 2026-08-13 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $11,066,583 | 0.18% | 183,343 | Shares | 2026-08-14 | |
| Small NEXTBio Capital Management LP | $11,059,461 | 0.18% | 183,225 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $10,499,317 | 0.17% | 173,945 | Shares | 2026-08-14 | |
| Mid ADAR1 Capital Management, LLC Registered adviser | $10,052,958 | 0.16% | 166,550 | Shares | 2026-08-14 | |
| Mid PEREGRINE CAPITAL MANAGEMENT LLC Registered adviser | $9,953,001 | 0.16% | 164,894 | Shares | 2026-07-17 | |
| Mega Swiss National Bank | $9,820,572 | 0.16% | 162,700 | Shares | 2026-08-11 | |
| Small Foresite Capital Management IV, LLC | $9,657,600 | 0.16% | 160,000 | Shares | 2026-08-14 | |
| Large Woodline Partners LP Registered adviser | $9,374,028 | 0.15% | 155,302 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $9,248,779 | 0.15% | 153,227 | Shares | 2026-08-06 | |
| Mega HSBC HOLDINGS PLC | $9,142,969 | 0.15% | 151,474 | Shares | 2026-08-14 | |
| Mid Susquehanna Portfolio Strategies, LLC | $8,031,441 | 0.13% | 133,059 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. Registered adviser | $7,869,616 | 0.13% | 130,378 | Shares | 2026-08-14 |
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