Who owns Xencor, Inc.?
Institutional ownership of XNCR from SEC Form 13F filings across 145 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
145
13F holders
$770.2M
value, 2026 filers
68.2%
of shares outstanding (50.6M sh)
25
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of XNCR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 13.7M | $219.8M | 0.0% | 18.4% | +4.7% |
| 2 | PRIMECAP MANAGEMENT CO/CA/ | 10.2M | $163.9M | 0.1% | 13.7% | -1.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.3M | $52.8M | 0.0% | 4.4% | -47.1% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.4M | $37,939 | 0.0% | 3.2% | +51.0% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $35.7M | 0.0% | 3% | -36.7% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.9M | $30.9M | 0.0% | 2.6% | +5.8% |
| 7 | MORGAN STANLEY | 1.8M | $28.2M | 0.0% | 2.4% | +12.5% |
| 8 | UBS Group AG | 1.3M | $21.0M | 0.0% | 1.8% | +20.7% |
| 9 | Legal & General Group Plc | 1.1M | $17.6M | 0.0% | 1.5% | +2.3% |
| 10 | GOLDMAN SACHS GROUP INC | 968,778 | $15.6M | 0.0% | 1.3% | +26.8% |
| 11 | MILLENNIUM MANAGEMENT LLC | 853,677 | $13.7M | 0.0% | 1.2% | +40.0% |
| 12 | TWO SIGMA INVESTMENTS, LP | 819,515 | $13.2M | 0.0% | 1.1% | +1.7% |
| 13 | NORTHERN TRUST CORP | 794,279 | $12.8M | 0.0% | 1.1% | +6.7% |
| 14 | Sixth Street Partners Management Company, L.P.NEW | 707,242 | $11.4M | 2.0% | 1% | new |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 707,242 | $11.4M | 0.0% | 1% | +1.5% |
| 16 | Public Sector Pension Investment Board | 509,482 | $8.2M | 0.0% | 0.7% | +99.4% |
| 17 | TORONTO DOMINION BANK | 491,000 | $7.9M | 0.0% | 0.7% | 0.0% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 487,084 | $7.8M | 0.0% | 0.7% | +3.4% |
| 19 | Bank of New York Mellon Corp | 410,769 | $6.6M | 0.0% | 0.6% | +3.7% |
| 20 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 382,094 | $6.2M | 0.0% | 0.5% | +214.9% |
| 21 | BANK OF AMERICA CORP /DE/ | 360,396 | $5.8M | 0.0% | 0.5% | -1.6% |
| 22 | PRINCIPAL FINANCIAL GROUP INC | 358,229 | $5.8M | 0.0% | 0.5% | +3.2% |
| 23 | Invesco Ltd. | 260,612 | $4.2M | 0.0% | 0.4% | -1.2% |
| 24 | Hudson Bay Capital Management LP | 210,000 | $3.4M | 0.0% | 0.3% | -56.9% |
| 25 | BARCLAYS PLC | 203,619 | $3.3M | 0.0% | 0.3% | -6.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.