XNCR Institutional Ownership & Shareholders
XENCOR INC (XNCR) is currently held by 211 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.38B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of XNCR tracked by InsiderSet, reporting ownership valued at approximately $219.79M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $418.27M, representing an estimated gain of +90.31% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 69% of the total disclosed XNCR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Primecap Management Co/Ca/, Bvf Inc/Il, and several other long-term asset managers with concentrated positions in XENCOR INC (XNCR).
This page ranks the largest institutional XNCR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
211
Total Reported Value
$1.38B
Largest Holder
Blackrock, Inc.
Largest Position
$219.79M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 13,651,261 | $219,785,304 | $418,274,637 | +$198,489,333 | +90.31% | |
| Primecap Management Co/Ca/ | 0.10% | 10,181,322 | $163,919,285 | $311,955,706 | +$148,036,421 | +90.31% | |
| Bvf Inc/Il | 2.94% | 7,133,720 | $114,852,892 | $218,577,181 | +$103,724,289 | +90.31% | |
| Rtw Investments, Lp | 0.93% | 6,777,461 | $109,117,122 | $207,661,405 | +$98,544,283 | +90.31% | |
| Ra Capital Management, L.P. | 0.74% | 5,274,274 | $84,915,811 | $161,603,755 | +$76,687,944 | +90.31% | |
| State Street Corp | 0.00% | 4,954,016 | $79,759,658 | $151,791,050 | +$72,031,392 | +90.31% | |
| Vanguard Capital Management Llc | 0.00% | 3,278,802 | $52,788,712 | $100,462,493 | +$47,673,781 | +90.31% | |
| Jefferies Financial Group Inc. | 0.69% | 2,082,243 | $51,951,963 | $63,799,926 | +$11,847,963 | +22.81% | |
| Tcg Crossover Management, Llc | 0.95% | 2,452,138 | $39,479,422 | $75,133,508 | +$35,654,086 | +90.31% | |
| Price T Rowe Associates Inc | 0.00% | 2,356,409 | $37,939,000 | $72,200,372 | +$34,261,372 | +90.31% | |
| Vanguard Portfolio Management Llc | 0.00% | 2,215,690 | $35,672,609 | $67,888,742 | +$32,216,133 | +90.31% | |
| Geode Capital Management, Llc | 0.00% | 1,920,859 | $30,933,108 | $58,855,120 | +$27,922,012 | +90.27% | |
| Morgan Stanley | 0.00% | 1,752,556 | $28,216,158 | $53,698,316 | +$25,482,158 | +90.31% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,083,220 | $27,028,340 | $33,189,861 | +$6,161,521 | +22.80% | |
| Ubs Group Ag | 0.00% | 1,306,174 | $21,029,402 | $40,021,171 | +$18,991,769 | +90.31% | |
| Johnson & Johnson | 2.45% | 748,062 | $18,664,147 | $22,920,620 | +$4,256,473 | +22.81% | |
| Baker Bros. Advisors Lp | 0.09% | 1,102,106 | $17,743,907 | $33,768,528 | +$16,024,621 | +90.31% | |
| Legal & General Group Plc | 0.00% | 1,091,177 | $17,567,950 | $33,433,663 | +$15,865,713 | +90.31% | |
| Goldman Sachs Group Inc | 0.00% | 968,778 | $15,597,326 | $29,683,358 | +$14,086,032 | +90.31% | |
| Millennium Management Llc | 0.01% | 853,677 | $13,744,200 | $26,156,663 | +$12,412,463 | +90.31% | |
| Two Sigma Investments, Lp | 0.01% | 819,515 | $13,194,192 | $25,109,940 | +$11,915,748 | +90.31% | |
| Northern Trust Corp | 0.00% | 794,279 | $12,787,893 | $24,336,709 | +$11,548,816 | +90.31% | |
| Charles Schwab Investment Management Inc | 0.00% | 707,242 | $11,386,596 | $21,669,895 | +$10,283,299 | +90.31% | |
| Panagora Asset Management Inc | 0.03% | 680,182 | $10,950,930 | $20,840,776 | +$9,889,846 | +90.31% | |
| Bank Of New York Mellon Corp | 0.00% | 389,684 | $9,722,615 | $11,939,918 | +$2,217,303 | +22.81% | |
| Deep Track Capital, Lp | 0.14% | 593,551 | $9,556,171 | $18,186,403 | +$8,630,232 | +90.31% | |
| Principal Financial Group Inc | 0.00% | 328,665 | $8,200,192 | $10,070,296 | +$1,870,104 | +22.81% | |
| Toronto Dominion Bank | 0.01% | 491,000 | $7,905,100 | $15,044,240 | +$7,139,140 | +90.31% | |
| Vanguard Fiduciary Trust Co | 0.00% | 487,084 | $7,842,052 | $14,924,254 | +$7,082,202 | +90.31% | |
| Seven Fleet Capital Management Lp | 1.29% | 368,305 | $7,828,524 | $11,284,865 | +$3,456,341 | +44.15% | |
| Aqr Capital Management Llc | 0.00% | 483,834 | $7,789,727 | $14,824,674 | +$7,034,947 | +90.31% | |
| Bank Of America Corp | 0.00% | 360,396 | $5,802,376 | $11,042,533 | +$5,240,157 | +90.31% | |
| Invesco Ltd. | 0.00% | 260,612 | $4,195,854 | $7,985,152 | +$3,789,298 | +90.31% | |
| Velan Capital Investment Management Lp | 2.52% | 255,000 | $4,105,500 | $7,813,200 | +$3,707,700 | +90.31% | |
| Public Sector Pension Investment Board | 0.01% | 254,741 | $4,101,330 | $7,805,264 | +$3,703,934 | +90.31% | |
| Kornitzer Capital Management Inc | 0.08% | 151,410 | $3,777,679 | $4,639,202 | +$861,523 | +22.81% | |
| Adar1 Capital Management, Llc | 0.18% | 232,560 | $3,744,216 | $7,125,638 | +$3,381,422 | +90.31% | |
| Hudson Bay Capital Management Lp | 0.02% | 210,000 | $3,381,000 | $6,434,400 | +$3,053,400 | +90.31% | |
| Barclays Plc | 0.00% | 203,619 | $3,278,265 | $6,238,886 | +$2,960,621 | +90.31% | |
| Nomura Asset Management International Inc. | 0.00% | 200,000 | $3,220,000 | $6,128,000 | +$2,908,000 | +90.31% | |
| Citadel Advisors Llc | 0.00% | 190,826 | $3,072,299 | $5,846,909 | +$2,774,610 | +90.31% | |
| Rhumbline Advisers | 0.00% | 181,617 | $2,924,017 | $5,564,745 | +$2,640,728 | +90.31% | |
| American Century Companies Inc | 0.00% | 180,205 | $2,901,300 | $5,521,481 | +$2,620,181 | +90.31% | |
| Jpmorgan Chase & Co | 0.00% | 167,089 | $2,606,588 | $5,119,607 | +$2,513,019 | +96.41% | |
| Susquehanna Portfolio Strategies, Llc | 0.04% | 159,584 | $2,569,302 | $4,889,654 | +$2,320,352 | +90.31% | |
| Vestgen Advisors, Llc | 0.08% | 102,083 | $2,546,971 | $3,127,823 | +$580,852 | +22.81% | |
| Alps Advisors Inc | 0.01% | 98,512 | $2,457,874 | $3,018,408 | +$560,534 | +22.81% | |
| Dcf Advisers, Llc | 0.72% | 97,736 | $2,438,513 | $2,994,631 | +$556,118 | +22.81% | |
| Trexquant Investment Lp | 0.01% | 144,555 | $2,327,336 | $4,429,165 | +$2,101,829 | +90.31% | |
| Nuveen, Llc | 0.00% | 139,370 | $2,243,857 | $4,270,297 | +$2,026,440 | +90.31% |
Frequently asked questions about XNCR
Who are the largest institutional holders of XNCR?
The largest institutional holders of XNCR reported in the latest SEC Form 13F filings include Blackrock, Inc., Primecap Management Co/Ca/, Bvf Inc/Il, Rtw Investments, Lp, and Ra Capital Management, L.P.. InsiderSet ranks institutional holders by their latest reported XNCR position.
What is XNCR institutional ownership?
This page tracks XNCR positions reported by institutional investment managers through SEC Form 13F. XENCOR INC (XNCR) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own XNCR?
InsiderSet currently tracks 211 institutional managers reporting XNCR holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of XNCR shareholders.
How much XNCR stock do institutions own?
Institutional investment managers disclosed approximately $1.38B in XNCR holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was XNCR institutional ownership last updated?
The latest XNCR institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional XNCR holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its XNCR position after the reporting date.
Are institutions buying or selling XNCR?
Institutional buying and selling can be analyzed by comparing XNCR positions across consecutive 13F reporting periods. InsiderSet's XNCR Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View XNCR ownership changes.
How has XNCR institutional ownership changed over time?
InsiderSet tracks XNCR institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.