What does CUSIP 98401F105 represent in this 13F holders report?

CUSIP 98401F105 is the security identifier for XNCR - Xencor Inc - Common Stock, par value $0.01 per share used to aggregate holder disclosures.

How many institutions held XNCR - Xencor Inc - Common Stock, par value $0.01 per share in Q1 2018?

122 institutional investors reported XNCR - Xencor Inc - Common Stock, par value $0.01 per share for Q1 2018. Use the holders table for investor-level position and value details.

Xencor Inc - Common Stock, par value $0.01 per share (XNCR)

CUSIP: 98401F105

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock, par value $0.01 per share
Shares outstanding: 72,872,908
Total 13F shares: 44,718,509
Share change: +7,397,027
Total reported value: $1,340,651,579
Price per share: $29.98
Number of holders: 122
Value change: +$224,063,089
Number of buys: 71
Number of sells: 46

Quarterly Holders Quick Answers

What is CUSIP 98401F105?
CUSIP 98401F105 identifies XNCR - Xencor Inc - Common Stock, par value $0.01 per share in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 98401F105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of XNCR - Xencor Inc - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	9.7%	7,044,127	$154,407,000	—	31 Dec 2017	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	8.5%	6,158,243	$134,989,000	—	31 Dec 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	7%	5,093,271	$111,645,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	4.3%	3,119,961	$68,391,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	2.5%	1,797,003	$39,390,000	—	31 Dec 2017	13F
Redmile Group, LLC	13F	Company	1.9%	1,350,894	$29,612,000	—	31 Dec 2017	13F
PERCEPTIVE ADVISORS LLC	13F	Company	1.8%	1,313,095	$28,783,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	1.4%	1,041,674	$22,832,000	—	31 Dec 2017	13F
ORBIMED ADVISORS LLC	13F	Company	1.4%	1,022,100	$22,404,000	—	31 Dec 2017	13F
BAKER BROS. ADVISORS LP	13F	Company	1.2%	872,072	$19,116,000	—	31 Dec 2017	13F
NORGES BANK	13F	Company	0.94%	687,280	$15,065,000	—	31 Dec 2017	13F
First Light Asset Management, LLC	13F	Company	0.88%	644,764	$14,133,000	—	31 Dec 2017	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.8%	583,491	$12,790,000	—	31 Dec 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.74%	538,632	$11,807,000	—	31 Dec 2017	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.72%	522,000	$11,442,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	0.65%	476,821	$10,453,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.48%	352,526	$7,727,000	—	31 Dec 2017	13F
Rhenman & Partners Asset Management AB	13F	Company	0.44%	317,500	$6,960,000	—	31 Dec 2017	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.43%	313,000	$6,861,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.39%	283,641	$6,218,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.35%	256,319	$5,619,000	—	31 Dec 2017	13F
LORD, ABBETT & CO. LLC	13F	Company	0.35%	252,611	$5,538,000	—	31 Dec 2017	13F
Cannell & Co.	13F	Company	0.31%	224,150	$4,913,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.28%	201,431	$4,416,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	0.24%	173,414	$3,802,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.21%	156,000	$3,420,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.21%	155,343	$3,402,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.21%	149,482	$3,277,000	—	31 Dec 2017	13F
EcoR1 Capital, LLC	13F	Company	0.16%	112,976	$2,476,000	—	31 Dec 2017	13F
Sio Capital Management, LLC	13F	Company	0.15%	109,981	$2,411,000	—	31 Dec 2017	13F
TD ASSET MANAGEMENT INC	13F	Company	0.14%	100,821	$2,210,000	—	31 Dec 2017	13F
Artal Group S.A.	13F	Company	0.14%	100,000	$2,192,000	—	31 Dec 2017	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.13%	97,900	$2,146,000	—	31 Dec 2017	13F
MACQUARIE GROUP LTD	13F	Company	0.13%	95,643	$2,096,000	—	31 Dec 2017	13F
VIRGINIA RETIREMENT SYSTEMS ET Al	13F	Company	0.11%	80,500	$1,765,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.11%	79,405	$1,741,000	—	31 Dec 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.1%	71,641	$1,617,000	—	31 Dec 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.1%	69,456	$1,522,000	—	31 Dec 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.09%	66,434	$1,456,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	0.09%	66,400	$1,455,000	—	31 Dec 2017	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.09%	65,418	$1,434,000	—	31 Dec 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.08%	60,032	$1,316,000	—	31 Dec 2017	13F
Vident Investment Advisory, LLC	13F	Company	0.08%	59,426	$1,303,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.08%	58,570	$1,284,000	—	31 Dec 2017	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.07%	47,500	$1,041,000	—	31 Dec 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.06%	46,470	$1,019,000	—	31 Dec 2017	13F
CREDIT SUISSE AG/	13F	Company	0.06%	46,121	$1,012,000	—	31 Dec 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.06%	40,904	$897,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.05%	38,626	$847,000	—	31 Dec 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.05%	37,876	$830,000	—	31 Dec 2017	13F

Institutional Holders of Xencor Inc - Common Stock, par value $0.01 per share (XNCR) as of Q1 2018

As of 31 Mar 2018, Xencor Inc - Common Stock, par value $0.01 per share (XNCR) was held by 122 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 44,718,509 shares. The largest 10 holders included FMR LLC, PRIMECAP MANAGEMENT CO/CA/, PRICE T ROWE ASSOCIATES INC /MD/, Redmile Group, LLC, BlackRock Inc., VANGUARD GROUP INC, PERCEPTIVE ADVISORS LLC, STATE STREET CORP, BVF INC/IL, and DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C). This page lists 122 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

104

Q1 2018 holders

122

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.