Security key
98401F105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 81,824,616
- Total 13F value
- $1,252,503,323
- Share change
- -1,616,889
- SEC-reported price per share
- $15.31
- Number of holders
- 206
- Value change
- -$15,445,404
- Number of buys
- 87
- Number of sells
- 106
- Shares outstanding
- 74,285,049
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
206
Top holders
10
XNCR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q3 2025
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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13F
13D/G
3/4/5
Lead comparable stake: 16%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 16%.
15 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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
16%
PRIMECAP MANAGEMENT CO/CA/
15%
BIOTECHNOLOGY VALUE FUND L P
10%
RTW INVESTMENTS, LP
8.7%
STATE STREET CORP
6.3%
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
16%
from 13D/G
|
$138,498,772
11,807,227 shares
|
— | 30 Sep 2025 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
13D/G
Company
|
15%
from 13D/G
|
$125,218,008
10,675,022 shares
|
— | 30 Sep 2025 |
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
BVF PARTNERS L P/IL
|
10%
|
$109,217,253
7,133,720 shares
|
+$38,495,142 | 31 Dec 2025 |
| RTW INVESTMENTS, LP |
13D/G
13F
Company
|
8.7%
|
$72,972,963
6,221,054 shares
|
$0 | 30 Sep 2025 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
6.3%
|
$69,006,059
4,507,254 shares
|
+$12,608,382 | 31 Dec 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
13D/G
Company · T. Rowe Price Associates, Inc.
|
2.4%
from 13D/G
|
$19,863,000
1,693,292 shares
|
— | 30 Sep 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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
206
Shares
81,824,616
Rows available
206
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
204
Q4 2025 holders
206
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend