Security key
98401F105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 81,931,427
- Total 13F value
- $960,178,354
- Share change
- -320,175
- SEC-reported price per share
- $11.73
- Number of holders
- 204
- Value change
- +$6,100,028
- Number of buys
- 87
- Number of sells
- 100
- Shares outstanding
- 74,595,979
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
204
Top holders
10
XNCR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Xencor Inc SEC filings
Xencor Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 98401F105
Recent filing periods:
Ownership snapshot
Top reported holders of XNCR - Xencor Inc - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
PRIMECAP MANAGEMENT CO/CA/
Disclosed value leader
PRIMECAP MANAGEMENT CO/CA/
Comparable rows
3/15
Latest evidence
30 Sep 2025
13D/G
13F
Lead comparable stake: 15%
12 rows are not safely comparable across share classes.
13D/G row: PRIMECAP MANAGEMENT CO/CA/
Showing 1-6 of 15 holder rows.
Quick read
PRIMECAP MANAGEMENT CO/CA/ leads the comparable SEC ownership view at 15%.
3 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens PRIMECAP MANAGEMENT CO/CA/'s linked filing trail.
Comparable ownership
Top 3
PRIMECAP MANAGEMENT CO/CA/
15%
RTW INVESTMENTS, LP
8.7%
PRICE T ROWE ASSOCIATES INC /MD/
2.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRIMECAP MANAGEMENT CO/CA/ |
13D/G
13F
Company
|
15%
Reported 13D/G
· 30 Jun 2025
|
$98,219,914
10,527,322 shares
|
$0 | 30 Jun 2025 |
| RTW INVESTMENTS, LP |
13D/G
13F
Company
|
8.7%
Reported 13D/G
· 30 Sep 2025
|
$72,972,963
6,221,054 shares
|
$0 | 30 Sep 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
13D/G
Company · T. Rowe Price Associates, Inc.
|
2.4%
Reported 13D/G
· 30 Sep 2025
|
$29,556,000
3,760,184 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$93,182,297
11,855,254 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$67,787,579
8,624,374 shares
|
— | 30 Jun 2025 |
| EcoR1 Capital, LLC |
13F
Company
|
—
denominator unverified
|
$48,297,869
6,144,767 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
204
Shares
81,931,427
Rows available
204
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2026 Across Filers
Q2 2026 holders
207
Q3 2025 holders
204
Holder diff
-3
| Investor | Q2 2026 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend