XNCR

Xencor Inc

Pharmaceutical PreparationsNasdaqLarge accelerated filer

Total Trades

76

Buys

1

Sells

50

Largest Trade

N/A

Insiders

13

Institutional Funds

160

Inst. Value

$1M+

Activist Filings

38

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Desjarlais John RSR. VICE PRESIDENT…GRANTN/A25KMar 5, 2026
Desjarlais John RSR. VICE PRESIDENT…SELL$15K–$50K3K$11.90Mar 5, 2026
Eckert CeliaSVP, GENERAL COUNSELSELL$15K–$50K1K$11.90Mar 5, 2026
Eckert CeliaSVP, GENERAL COUNSELGRANTN/A19KMar 5, 2026
Dahiyat Bassil IPRESIDENT & CEOSELL$50K–$100K7K$11.90Mar 5, 2026
Dahiyat Bassil IPRESIDENT & CEOGRANTN/A97KMar 5, 2026
Desjarlais John RSR. VICE PRESIDENT…SELL$1M+73K$15.72Dec 23, 2025
Desjarlais John RSR. VICE PRESIDENT…EXERCISE$500K+80K$12.51Dec 23, 2025
Dahiyat Bassil IPRESIDENT & CEOEXERCISE$1M+125K$12.51Dec 23, 2025
Dahiyat Bassil IPRESIDENT & CEOSELL$1M+114K$15.71Dec 23, 2025
Montgomery Alan BruceDirectorSELL$15K–$50K2K$9.22Jun 16, 2025
Montgomery Alan BruceDirectorGRANTN/A14KJun 16, 2025
GUSTAFSON KURT ADirectorGRANTN/A14KJun 16, 2025
GUSTAFSON KURT ADirectorSELL$15K–$50K3K$9.22Jun 16, 2025
GORMAN KEVIN CHARLESDirectorSELL$15K–$50K3K$9.22Jun 16, 2025
GORMAN KEVIN CHARLESDirectorGRANTN/A14KJun 16, 2025
Feigal EllenDirectorSELL$15K–$50K3K$9.22Jun 16, 2025
Feigal EllenDirectorGRANTN/A14KJun 16, 2025
RANIERI RICHARD JDirectorGRANTN/A14KJun 16, 2025
RANIERI RICHARD JDirectorSELL$15K–$50K3K$9.22Jun 16, 2025
Valente NancyEVPSELL$50K–$100K5K$11.03May 6, 2025
Cornelissen Bart JanSR. VICE PRESIDENT…SELL$15K–$50K4K$8.06Apr 14, 2025
Montgomery Alan BruceDirectorEXERCISE$100K–$500K15K$17.07Dec 4, 2024
Montgomery Alan BruceDirectorSELL$100K–$500K15K$27.03Dec 4, 2024
Dahiyat Bassil IPRESIDENT & CEOSELL$1M+49K$24.07Nov 25, 2024
Dahiyat Bassil IPRESIDENT & CEOEXERCISE$500K+63K$15.69Nov 25, 2024
Dahiyat Bassil IPRESIDENT & CEOSELL$50K–$100K3K$24.02Nov 14, 2024
Dahiyat Bassil IPRESIDENT & CEOEXERCISE$50K–$100K3K$15.69Nov 14, 2024
Desjarlais John RSR. VICE PRESIDENT…EXERCISE$1M+81K$15.69Nov 13, 2024
Desjarlais John RSR. VICE PRESIDENT…SELL$1M+69K$23.48Nov 13, 2024
ROSA-BJORKESON DAGMARDirectorSELL$50K–$100K3K$20.68Oct 1, 2024
RANIERI RICHARD JDirectorSELL$50K–$100K3K$20.68Oct 1, 2024
GUSTAFSON KURT ADirectorSELL$50K–$100K3K$20.68Oct 1, 2024
GORMAN KEVIN CHARLESDirectorSELL$50K–$100K3K$20.68Oct 1, 2024
Montgomery Alan BruceDirectorSELL$15K–$50K2K$20.68Oct 1, 2024
Feigal EllenDirectorSELL$50K–$100K3K$20.68Oct 1, 2024
Valente NancyEVPSELL$100K–$500K5K$23.58May 3, 2024
GORMAN KEVIN CHARLESDirectorBUY$1K–$15K53$19.12Feb 15, 2024
Desjarlais John RSR. VICE PRESIDENT…SELL$1M+54K$19.38Feb 14, 2024
Desjarlais John RSR. VICE PRESIDENT…EXERCISE$500K+68K$11.05Feb 14, 2024
Dahiyat Bassil IPRESIDENT & CEOSELL$500K+45K$20.93Dec 29, 2023
Dahiyat Bassil IPRESIDENT & CEOEXERCISE$500K+65K$11.05Dec 29, 2023
Dahiyat Bassil IPRESIDENT & CEOSELL$500K+33K$26.19Jun 22, 2023
Dahiyat Bassil IPRESIDENT & CEOEXERCISE$100K–$500K76K$4.25Jun 22, 2023
Yang AllenSR. VICE PRESIDENT…SELL$15K–$50K1K$29.88Mar 13, 2023
Eckert CeliaVP, GENERAL COUNSELSELL$15K–$50K711$29.88Mar 13, 2023
Kuch John JSR. VICE PRESIDENT…SELL$15K–$50K711$29.88Mar 13, 2023
Desjarlais John RSR. VICE PRESIDENT…SELL$15K–$50K1K$29.88Mar 13, 2023
Dahiyat Bassil IPRESIDENT & CEOSELL$50K–$100K3K$29.88Mar 13, 2023
Yang AllenSR. VICE PRESIDENT…SELL$100K–$500K4K$31.42Mar 9, 2023
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

EcoR1 Capital, LLC

SC 13G/A · Feb 17, 2026

6.4%

4.6M shares

STATE STREET CORPORATION

SC 13G · Feb 9, 2026

6.3%

4.5M shares

The Vanguard Group

SC 13G/A · Dec 3, 2025

10.0%

7.2M shares

T. Rowe Price Associates, Inc.

SC 13G/A · Nov 14, 2025

2.4%

1.7M shares

RTW Investments, LP

SC 13G · Nov 14, 2025

8.7%

6.2M shares

The Vanguard Group

SC 13G/A · Oct 31, 2025

9.9%

7.1M shares

BIOTECHNOLOGY VALUE FUND L P

SC 13G · Oct 17, 2025

3.5%

2.5M shares

PRIMECAP MANAGEMENT CO/CA/

SC 13G/A · Aug 14, 2025

14.8%

10.5M shares

The Vanguard Group

SC 13G/A · Jul 29, 2025

12.1%

8.6M shares

STATE STREET CORPORATION

SC 13G · May 13, 2025

5.2%

3.7M shares

BlackRock, Inc.

SC 13G/A · Apr 29, 2025

15.8%

11.1M shares

BlackRock, Inc.

SC 13G/A · Feb 5, 2025

17.4%

12.2M shares

EcoR1 Capital, LLC

SC 13G/A · Nov 14, 2024

9.4%

6.7M shares

5.6%

3.9M shares

13.1%

9.1M shares

BlackRock, Inc.

SC 13G/A · Nov 8, 2024

15.8%

11.0M shares

BlackRock, Inc.

SC 13G/A · Oct 18, 2024

15.8%

11.0M shares

STATE STREET CORPORATION 04-2456637

SC 13G/A · Oct 18, 2024

4.5%

3.1M shares

2.2%

1.4M shares

EcoR1 Capital, LLC

SC 13G/A · Feb 14, 2024

8.7%

5.3M shares

2.2%

1.4M shares

5.7%

3.5M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

11.1%

6.8M shares

14.6%

8.9M shares

BlackRock, Inc.

SC 13G/A · Jan 19, 2024

18.6%

11.3M shares

6.2%

3.7M shares

5.4%

3.2M shares

EcoR1 Capital, LLC

SC 13G/A · Feb 13, 2023

8.8%

5.3M shares

10.4%

6.2M shares

FMR LLC

SC 13G/A · Feb 9, 2023

6.4%

3.8M shares

BlackRock, Inc.

SC 13G/A · Jan 24, 2023

17.8%

10.6M shares

10.1%

6.0M shares

FMR LLC

SC 13G/A · Nov 10, 2022

8.2%

4.9M shares

10.1%

5.9M shares

EcoR1 Capital, LLC

SC 13G/A · Feb 14, 2022

8.4%

4.9M shares

8.5%

5.0M shares

BlackRock, Inc.

SC 13G/A · Jan 28, 2022

16.0%

9.3M shares

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