AI summary pending
View Full Filing (SEC EDGAR)Xenon Pharmaceuticals Inc
$33.49-2.4%
+$441.0M
Net Activity
+3.59% total shares
Institutions Holding
318
Popularity Rank
#2000
Avg Weight
0.26%
Total Value
$6.3B
Market Cap
$2.7B
318 institutions currently hold XENE, with 181 net buyers and 112 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
112
Net Buying Institutions
181
Top 5 by Value
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Across its top 20 institutional holders, XENE's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 43/100).
XENE ranks #2000 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
318 institutions disclose a position in XENE, but none treat it as a major bet — even Affinity Asset Advisors, LLC, its most concentrated holder, allocates just 4.3% of its own portfolio to it.
XENE is down 2.4% today, but institutions show net buying of $441.0M this quarter — a divergence between today's price move and the underlying institutional flow.
XENE reported a net loss of $409.2M over the trailing twelve months.
+$1.1B
Total Buy Value
$1.2B
Total Sell Value
181
Net Buyers
112
Net Sellers
XENE
Q2 2026
Top 5 Institutional Movers
+$252.7M
-$194.8M
+$126.1M
+$118.7M
-$88.3M
XENE does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
2
Filings (90d)
$1.08M
Total Est. Value
17K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| CHRISTOPHER KENNEY | 2026-08-28 | $438K |
| STEVEN GANNON | 2026-08-13 | $641K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
1
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| Wellington Management Group LLP | 13G/A | 2026-08-13 | 1.5% |
| FMR LLC | 13G/A | 2026-08-07 | 10.3% |
| FMR LLC | 13G/A | 2026-08-06 | 9.9% |
1
Filings (14d)
AI summary pending
View Full Filing (SEC EDGAR)98420N105
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,610
Total reported value
$529.1B
Held by 4610 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,442
Total reported value
$354.7B
Held by 4442 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,353
Total reported value
$864.4B
Held by 4353 institutions — one of the most-tracked stocks on AlphaSMO
Access XENE's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/XENECLI
npx alphasmo stocks get XENEFull API & MCP documentation →