We are live on ! Find out more
XOMA

Xoma
XOMA

Delisted

XOMA was delisted on the 13th of July, 2026.

Back to rankings

60 hedge funds and large institutions have $284M invested in Xoma in 2020 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 18 increasing their positions, 11 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

139% more capital invested

Capital invested by funds: $119M → $284M (+$165M)

83% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 6

64% more repeat investments, than reductions

Existing positions increased: 18 | Existing positions reduced: 11

9% more funds holding

Funds holding: 55 → 60 (+5)

1.08% more ownership

Funds ownership: 57.34% → 58.42% (+1.1%)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

Holders
60
Holders Change
+5
Holders Change %
+9.09%
% of All Funds
1.06%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
11
Increased
18
Reduced
11
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$2.29M
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$1.42M
3
State Street
State Street
Massachusetts
+$1.06M
4
Invesco
Invesco
Georgia
+$1.01M
5
EI
EAM Investors
California
+$959K

Top Sellers

Rank Fund Capital Flow
1
EC
EcoR1 Capital
California
-$957K
2
SCM
Stonepine Capital Management
Oregon
-$786K
3
Renaissance Technologies
Renaissance Technologies
New York
-$767K
4
Marshall Wace
Marshall Wace
United Kingdom
-$466K
5
WG
Winton Group
United Kingdom
-$394K
Name Holding Trade Value Shares
Change 		Change in
Stake
Osaic Holdings
51
Osaic Holdings
Arizona
$6K +$30 +1 +0.8%
Group One Trading
52
Group One Trading
Illinois
$5K – – –
PAM
53
Panagora Asset Management
Massachusetts
$5K – – –
SPIA
54
Steward Partners Investment Advisory
New York
$3K – – –
HNB
55
Huntington National Bank
Ohio
$1K – – –
OSAM
56
O'Shaughnessy Asset Management
Connecticut
$1K +$693 +23 +230%
AIG
57
American International Group
New York
$156 -$3.04K -101 -3%
EC
58
EcoR1 Capital
California
– -$957K -50,809 Closed
Two Sigma Investments
59
Two Sigma Investments
New York
– -$268K -14,201 Closed
AA
60
ALPS Advisors
Colorado
– -$265K -14,046 Closed
Millennium Management
61
Millennium Management
New York
– -$209 -11,096 Closed
ASN
62
Advisory Services Network
Georgia
– -$3.19K -106 Closed
PWMG
63
Prestige Wealth Management Group
New Jersey
– -$2K -104 Closed
WWM
64
Wolff Wiese Magana
California
– +$121 +4 New
BBHBI
65
B, B, H, & B Inc
Alabama
– +$603 +20 New
1 2
3

XOMA Hedge Fund Activity: Q4 2020 in Review

60 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q4 2020, worth a combined $284M — up 139% from $119M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new XOMA positions and 6 closed out — a net gain of 5 holders — while 18 added to existing stakes and 11 trimmed.

The largest buyer was Vanguard Group, adding an estimated $2.29M. The largest seller was EcoR1 Capital, exiting entirely with an estimated $957K sold.

  • 60 institutional investors held Xoma (XOMA) as of Q4 2020, up from 55 in Q3 2020.
  • Funds reported $284M of Xoma stock for Q4 2020, up 139% quarter-over-quarter.
  • 11 funds opened new Xoma positions in Q4 2020 and 6 closed out, a net change of +5 holders.
  • The largest Xoma buyer in Q4 2020 was Vanguard Group, an estimated $2.29M added.
  • The largest Xoma seller in Q4 2020 was EcoR1 Capital, an estimated $957K sold.

Based on aggregated 13F filings for Q4 2020.