Companies / Xencor Inc
Xencor Inc
Nasdaq: XNCRCIK 1326732PASADENA, CA
Insider flow · last 90 daysNet sells $379.1K
Financials · FY2025
Ownership
74.4M shares outstanding · as of Jul 31, 2026
Ownership
| Insiders | 1.39% | 1,030,646 |
| 10%+ / strategic | 6.06% | 4,507,254 |
| Institutions | 113.79% | 84,607,750 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Dahiyat Bassil ICEOPRESIDENT & CEO · Director | 0.73% | 546,316 |
Desjarlais John RSR. VICE PRESIDENT & CSO | 0.35% | 263,831 |
Eckert CeliaSVP, GENERAL COUNSEL | 0.10% | 76,918 |
Cornelissen Bart JanSR. VICE PRESIDENT & CFO | 0.10% | 75,898 |
Montgomery Alan BruceDirector | 0.02% | 15,547 |
Gustafson Kurt aDirector | 0.02% | 14,709 |
Ranieri Richard JDirector | 0.02% | 13,709 |
Feigal EllenDirector | 0.02% | 12,340 |
Gorman Kevin CharlesDirector | 0.02% | 11,378 |
Institutional holders 209
View all →| Holder | Value | % of shares |
|---|---|---|
| $219.79M | 18.36% | |
| $156.44M | 13.74% | |
| $109.70M | 9.64% | |
| $103.76M | 9.12% | |
| $86.03M | 9.59% | |
| $79.76M | 6.66% | |
| $59.06M | 6.59% | |
| $49.77M | 4.37% | |
| $37.54M | 3.30% | |
| $23.10M | 2.03% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | RA Capital Management, L.P. 13F manager | New | Common stock | $59.06M | +4.9M | 4,897,237 6.59% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $27.76M | +1.7M +14.45% | 13,651,261 18.36% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $7.19M | +447K +9.91% | 4,954,016 6.66% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $6.47M | +537K +199.71% | 805,421 1.08% of shares | medium |
| Q4 2024 as of | Barclays PLC 13F manager | Add | Common stock | $4.03M | +175K +112.60% | 330,745 0.44% of shares | low |
| Q1 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-3.77M | -170K -63.44% | 98,165 0.13% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $3.74M | +476K +267.10% | 654,397 0.88% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-3.69M | -241K -40.16% | 359,235 0.48% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Biotechnology Value Fund L P | Passive13G/A | — |
| EcoR1 Capital, LLC | Passive13G/A | — |
| State Street Corporation | Passive13G | — |
| RA Capital Management, L.P. | Passive13G | — |
| EcoR1 Capital, LLC | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| XNCR | — | 98401F105 |