XOMA Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 9.10%

Insider Buying (Last 12 Months): $750,844.26

Insider Selling (Last 12 Months): $25,018,162.51

XOMA Insider Trading History Chart

XOMA Share Price & Price History

^$25.50

▲ +0.35 (1.39%)

As of 05/29/2025 05:00 PM ET

Days: 30 | 90 | 365

XOMA Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
5/20/2025	Owen Hughes	CEO	Sell	25,637	$25.38	$650,667.06	62,701
5/16/2025	Bvf Partners L P/Il	Major Shareholder	Sell	392,723	$27.10	$10,642,793.30	1,267,545
4/7/2025	Bradley Sitko	CIO	Buy	2,000	$24.70	$49,400.00	5,045
4/7/2025	Joseph M Limber	Director	Buy	5,243	$25.60	$134,220.80	10,000
4/3/2025	Joseph M Limber	Director	Buy	17,935	$25.24	$452,679.40	16,524
3/21/2025	Bradley Sitko	CIO	Buy	4,134	$23.89	$98,761.26	10,484
1/24/2025	Bvf Partners L. P/Il	major shareholder	Sell	500,742	$26.10	$13,069,366.20
1/8/2025	Bradley Sitko	CIO	Buy	313	$25.60	$8,012.80	313
12/31/2024	Bradley Sitko	CIO	Buy	300	$25.90	$7,770.00	9,150
11/13/2024	Owen Hughes	CEO	Sell	21,881	$29.95	$655,335.95	34,979
10/2/2023	Bradley Sitko	CIO	Buy	1,500	$14.25	$21,375.00	5,350
10/2/2023	Owen Hughes	CEO	Buy	1,000	$13.83	$13,830.00	3,500
9/25/2023	Owen Hughes	CEO	Buy	1	$14.65	$14.65	1
5/31/2023	Bradley Sitko	CIO	Buy	1,500	$17.13	$25,695.00	3,500
5/23/2023	Bradley Sitko	CIO	Buy	850	$19.00	$16,150.00	3,850
5/23/2023	Owen Hughes	CEO	Buy	968	$23.46	$22,709.28	968
5/19/2023	Bradley Sitko	CIO	Buy	1,000	$19.50	$19,500.00	3,000
5/15/2023	Bradley Sitko	CIO	Buy	1,500	$23.40	$35,100.00	1,500
5/12/2023	Bradley Sitko	CIO	Buy	2,000	$18.99	$37,980.00	2,000
1/5/2023	Bvf Partners L P/Il	Director	Buy	19,000	$18.39	$349,410.00	1,788,168
9/26/2022	Bvf Partners L P/Il	Director	Buy	6,360	$16.83	$107,038.80	1,783,834
9/23/2022	Bvf Partners L P/Il	Director	Buy	16,600	$16.50	$273,900.00	1,780,495
9/16/2022	Bvf Partners L P/Il	Director	Buy	24,293	$17.89	$434,601.77	1,773,780
9/14/2022	Bvf Partners L P/Il	Director	Buy	26,441	$17.25	$456,107.25	1,571,338
7/15/2022	James R Neal	CEO	Sell	25,000	$29.84	$746,000.00	11,822
7/15/2022	Thomas M Burns	CFO	Sell	2,000	$31.66	$63,320.00	6,555

See Full Table

SEC Filings (Institutional Ownership Changes) for XOMA (NASDAQ:XOMA)

95.92% of XOMA stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

XOMA Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/16/2025	Woodline Partners LP	168,550	$3.36M	0.0%	+7.9%	1.410%
5/16/2025	Goldman Sachs Group Inc.	11,523	$0.23M	0.0%	-45.1%	0.096%
5/16/2025	BVF Inc. IL	2,983,026	$59.45M	2.4%	-17.9%	24.956%
5/14/2025	Stonepine Capital Management LLC	129,813	$2.59M	2.5%	+3.3%	1.086%
5/12/2025	Nuveen LLC	14,363	$0.29M	0.0%	N/A	0.120%
5/9/2025	Deutsche Bank AG	6,433	$0.13M	0.0%	+5,087.9%	0.054%
5/9/2025	CM Management LLC	64,000	$1.28M	1.3%	+16.4%	0.535%
4/28/2025	Acuitas Investments LLC	5,674	$0.11M	0.1%	-90.7%	0.047%
4/7/2025	GAMMA Investing LLC	1,734	$35K	0.0%	+1,063.8%	0.014%
2/17/2025	Woodline Partners LP	156,266	$4.11M	0.0%	+63.9%	1.326%
2/17/2025	Squarepoint Ops LLC	9,484	$0.25M	0.0%	-28.9%	0.080%
2/17/2025	Stonepine Capital Management LLC	125,700	$3.30M	2.7%	-35.6%	1.067%
2/17/2025	Nuveen Asset Management LLC	14,363	$0.38M	0.0%	+3.8%	0.122%
2/17/2025	Bridgeway Capital Management LLC	25,500	$0.67M	0.0%	-3.4%	0.216%
2/17/2025	Bank of America Corp DE	7,796	$0.21M	0.0%	+34.7%	0.066%
2/17/2025	BNP Paribas Financial Markets	1,109	$29K	0.0%	-32.0%	0.009%
2/14/2025	Northern Trust Corp	91,181	$2.40M	0.0%	+1.5%	0.774%
2/14/2025	Eversept Partners LP	95,417	$2.51M	0.2%	+1.2%	0.810%
2/13/2025	Barclays PLC	12,784	$0.34M	0.0%	+13.6%	0.109%
2/13/2025	Renaissance Technologies LLC	16,100	$0.42M	0.0%	+89.8%	0.137%
2/13/2025	Wells Fargo & Company MN	4,300	$0.11M	0.0%	+38.0%	0.037%
2/12/2025	Geode Capital Management LLC	182,190	$4.79M	0.0%	-0.3%	1.547%
2/12/2025	TLS Advisors LLC	118,844	$3.12M	7.1%	-0.8%	1.009%
2/12/2025	JPMorgan Chase & Co.	12,089	$0.32M	0.0%	+238.9%	0.103%
2/6/2025	Charles Schwab Investment Management Inc.	23,113	$0.61M	0.0%	+5.8%	0.196%
2/4/2025	Los Angeles Capital Management LLC	7,852	$0.21M	0.0%	N/A	0.067%
1/31/2025	New York State Common Retirement Fund	2,362	$62K	0.0%	+51.2%	0.020%
1/31/2025	Acuitas Investments LLC	60,704	$1.60M	1.3%	-31.1%	0.515%
1/30/2025	Rhumbline Advisers	11,065	$0.29M	0.0%	+18.1%	0.094%
11/19/2024	Barclays PLC	11,256	$0.30M	0.0%	+300.7%	0.096%
11/16/2024	Geode Capital Management LLC	182,741	$4.84M	0.0%	+0.6%	1.551%
11/15/2024	Barclays PLC	11,256	$0.30M	0.0%	+300.7%	0.096%
11/15/2024	State Street Corp	142,857	$3.78M	0.0%	+1.2%	1.213%
11/15/2024	HighVista Strategies LLC	114,548	$3.03M	1.0%	-3.7%	0.972%
11/14/2024	Stonepine Capital Management LLC	195,096	$5.17M	3.3%	-22.0%	1.656%
11/13/2024	BNP Paribas Financial Markets	1,632	$43K	0.0%	+95.0%	0.014%
11/13/2024	FMR LLC	1,102,401	$29.19M	0.0%	-4.4%	9.358%
10/17/2024	Ellsworth Advisors LLC	19,475	$0.52M	0.1%	N/A	0.166%
8/21/2024	Stonepine Capital Management LLC	250,129	$5.93M	5.4%	-1.4%	2.138%
8/9/2024	Dimensional Fund Advisors LP	22,414	$0.53M	0.0%	-12.2%	0.193%
8/1/2024	Rhumbline Advisers	9,695	$0.23M	0.0%	+16.0%	0.083%
7/26/2024	Bank of New York Mellon Corp	62,656	$1.48M	0.0%	+3.2%	0.538%
5/15/2024	Price T Rowe Associates Inc. MD	8,778	$0.21M	0.0%	N/A	0.075%
5/10/2024	Vanguard Group Inc.	405,533	$9.75M	0.0%	-3.8%	3.484%
5/1/2024	BNP Paribas Financial Markets	3,543	$85K	0.0%	+55.6%	0.030%
2/15/2024	Opaleye Management Inc.	250,000	$4.63M	1.2%	-8.9%	2.176%
2/13/2024	Stonepine Capital Management LLC	250,000	$4.63M	2.0%	-42.7%	2.176%
11/14/2023	Stonepine Capital Management LLC	436,602	$6.15M	2.0%	+25.0%	3.800%
9/21/2023	Barclays PLC	1,468	$28K	0.0%	N/A	0.013%
8/16/2023	Stonepine Capital Management LLC	349,399	$6.60M	2.4%	+9.8%	3.045%
8/15/2023	HighVista Strategies LLC	118,899	$2.25M	1.0%	+27.3%	1.037%
8/11/2023	Stonepine Capital Management LLC	349,399	$6.60M	2.5%	+9.8%	3.046%
8/4/2023	American International Group Inc.	3,519	$66K	0.0%	N/A	0.031%
5/16/2023	BVF Inc. IL	3,633,743	$76.71M	2.8%	+0.6%	31.705%
5/15/2023	Stonepine Capital Management LLC	318,096	$6.72M	2.3%	+393.5%	2.775%
5/11/2023	Knott David M Jr	13,527	$0.29M	0.1%	+18.4%	0.118%
5/2/2023	Acuitas Investments LLC	86,903	$1.84M	1.9%	-7.9%	0.758%
2/15/2023	Eversept Partners LP	86,873	$1.60M	0.1%	-1.7%	0.759%
2/13/2023	Knott David M Jr	11,425	$0.21M	0.1%	N/A	0.100%
2/10/2023	Opaleye Management Inc.	243,000	$4.47M	1.6%	-2.0%	2.122%
2/6/2023	Acuitas Investments LLC	94,392	$1.74M	1.8%	N/A	0.824%
11/15/2022	First Manhattan Co.	7,500	$0.13M	0.0%	-25.0%	0.066%
11/15/2022	BVF Inc. IL	3,611,494	$64.68M	2.7%	+2.3%	31.541%
11/14/2022	Rubric Capital Management LP	200,785	$3.60M	0.2%	+34.4%	1.753%
11/10/2022	Stonepine Capital Management LLC	64,459	$1.15M	0.5%	+40.4%	0.563%
8/15/2022	Opaleye Management Inc.	263,050	$5.86M	2.6%	-2.9%	2.297%
8/11/2022	Trexquant Investment LP	15,125	$0.34M	0.0%	+71.7%	0.132%
8/9/2022	Lazard Asset Management LLC	3,379	$75K	0.0%	+57.3%	0.030%
4/21/2022	Strs Ohio	24,900	$0.70M	0.0%	-15.9%	0.218%
2/15/2022	Stonepine Capital Management LLC	46,026	$0.96M	0.4%	-32.8%	0.407%
2/8/2022	Northern Trust Corp	89,447	$1.86M	0.0%	-16.8%	0.791%
1/28/2022	Allspring Global Investments Holdings LLC	32,639	$0.68M	0.0%	N/A	0.289%
11/16/2021	Opaleye Management Inc.	338,350	$8.37M	1.6%	-1.5%	2.991%
11/15/2021	Marshall Wace LLP	9,406	$0.23M	0.0%	-34.8%	0.083%
11/12/2021	Stonepine Capital Management LLC	68,542	$1.70M	0.8%	-58.5%	0.606%
11/12/2021	Geode Capital Management LLC	146,218	$3.62M	0.0%	+4.2%	1.293%
11/10/2021	Goldman Sachs Group Inc.	27,945	$0.69M	0.0%	-19.5%	0.247%
11/9/2021	Geneos Wealth Management Inc.	1,057	$25K	0.0%	N/A	0.009%
11/9/2021	Barclays PLC	2,463	$61K	0.0%	+222.0%	0.022%
11/9/2021	BlackRock Inc.	463,796	$11.48M	0.0%	+1.8%	4.101%
10/22/2021	Strs Ohio	29,600	$0.73M	0.0%	+22.8%	0.262%
8/17/2021	Price T Rowe Associates Inc. MD	11,320	$0.39M	0.0%	-10.1%	0.100%
8/16/2021	Opaleye Management Inc.	343,600	$11.68M	1.9%	-21.5%	3.038%
8/16/2021	California State Teachers Retirement System	8,344	$0.28M	0.0%	-9.0%	0.074%
8/16/2021	State Street Corp	120,424	$4.09M	0.0%	+13.7%	1.065%
8/16/2021	Nuveen Asset Management LLC	24,146	$0.82M	0.0%	+14.2%	0.213%
8/16/2021	Goldman Sachs Group Inc.	34,732	$1.18M	0.0%	+2.3%	0.307%
8/13/2021	Northern Trust Corp	111,088	$3.78M	0.0%	+12.4%	0.982%
8/13/2021	Geode Capital Management LLC	140,267	$4.77M	0.0%	+4.8%	1.240%
8/13/2021	Vanguard Group Inc.	390,935	$13.29M	0.0%	+0.5%	3.456%
8/13/2021	FMR LLC	729,000	$24.79M	0.0%	+11.9%	6.445%
8/12/2021	JPMorgan Chase & Co.	7,921	$0.27M	0.0%	-54.3%	0.070%
8/11/2021	Bank of New York Mellon Corp	63,387	$2.16M	0.0%	+2.5%	0.560%
8/11/2021	BlackRock Inc.	455,461	$15.49M	0.0%	-4.9%	4.041%
8/11/2021	Deutsche Bank AG	3,829	$0.13M	0.0%	-9.1%	0.034%
8/9/2021	O Shaughnessy Asset Management LLC	1,918	$65K	0.0%	+103.4%	0.017%
8/5/2021	Rhumbline Advisers	6,227	$0.21M	0.0%	+15.1%	0.055%
5/19/2021	Virtu Financial LLC	7,113	$0.29M	0.0%	N/A	0.063%
5/19/2021	Squarepoint Ops LLC	5,458	$0.22M	0.0%	N/A	0.048%
5/18/2021	BVF Inc. IL	3,530,543	$144.08M	5.4%	-15.6%	31.327%

Data available starting January 2016

See Full Table

XOMA Corporation operates as a biotech royalty aggregator in the United States and the Asia Pacific. It has a portfolio of economic rights to future potential milestone and royalty payments associated with partnered commercial and pre-commercial therapeutic candidates. The company also focuses on early to mid-stage clinical assets primarily in Phase 1 and 2 with commercial sales potential that are licensed to partners; and acquires milestone and royalty revenue streams on late-stage clinical or commercial assets. It has a portfolio with various assets. XOMA Corporation was incorporated in 1981 and is headquartered in Emeryville, California.

Today's Range

Now: $25.50

$25.25

$27.00

50 Day Range

MA: $22.85

$18.76

$27.49

52 Week Range

Now: $25.50

$18.35

$35.00

Volume

31,805 shs

Average Volume

30,854 shs

Market Capitalization

$305.16 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.89

Who are the company insiders with the largest holdings of XOMA?: XOMA's top insider shareholders include:
Bvf Partners L P/Il (Major Shareholder)
Owen Hughes (CEO)
Joseph M Limber (Director)
Bradley Sitko (CIO)
Bvf Partners L P/Il (Major Shareholder)
Learn More about top insider investors at XOMA.
Who are the major institutional investors of XOMA?: XOMA's top institutional investors include:
BVF Inc. IL — 24.96%
Woodline Partners LP — 1.41%
Stonepine Capital Management LLC — 1.09%
CM Management LLC — 0.54%
Nuveen LLC — 0.12%
Goldman Sachs Group Inc. — 0.10%
Learn More about top institutional investors of XOMA stock.
Which major investors are selling XOMA stock?: Within the previous quarter, XOMA stock was sold by these institutional investors:
BVF Inc. IL
Acuitas Investments LLC
Goldman Sachs Group Inc.
In the last year, company insiders that have sold XOMA company stock include:
Bvf Partners L P/Il (Major Shareholder)
Owen Hughes (CEO)
Joseph M Limber (Director)
Learn More investors selling XOMA stock.
Which major investors are buying XOMA stock?: Within the previous quarter, XOMA stock was purchased by institutional investors including:
Nuveen LLC
Woodline Partners LP
CM Management LLC
Deutsche Bank AG
Stonepine Capital Management LLC
GAMMA Investing LLC
During the last year, these company insiders have bought XOMA stock:
Bvf Partners L P/Il (Major Shareholder)
Owen Hughes (CEO)
Joseph M Limber (Director)
Learn More investors buying XOMA stock.