13F Insight
DOSSIER · 13F Holders · Q2 2026
WB 1.375 12/01/30

WEIBO CORP

18 institutions still hold WEIBO CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 948596AJ0·18 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$287M
visible holders
Holders
18
filers reporting
Concentration
26.22%
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP #1
top holder share
AI Holders Summary · Q2 2026

18 institutions reported WB 1.375 12/01/30 in Q2 2026. DAVIDSON KEMPNER CAPITAL MANAGEMENT LP leads at 26.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
CIK 0001595082
$75M75.3M0.90%Q2 202602
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$35M35.0M0.01%Q2 202603
Jump Financial, LLC
CIK 0001831577
$32M32.0M0.26%Q2 202604
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$30M30.0M0.02%Q2 202605
AQR Arbitrage LLC
CIK 0001167456
$26M22.3M0.55%Q4 202506
Nuveen, LLC
CIK 0001871926
$23M23.0M0.01%Q2 202607
Isabella Capital Management LLP
CIK 0002134988
$15M15.0M7.98%Q2 202608
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$12M12.3M0.00%Q2 202609
GOLDMAN SACHS GROUP INC
CIK 0000886982
$12M12.2M0.00%Q2 202610
Pinpoint Asset Management Ltd
CIK 0001803237
$9M8.4M1.60%Q1 202511
CITIGROUP INC
CIK 0000831001
$9M9.1M0.00%Q2 202612
Calamos Advisors LLC
CIK 0001316507
$4M4.0M0.01%Q2 202613
WELLS FARGO & COMPANY/MN
CIK 0000072971
$2M2.0M0.00%Q2 202614
Quarry LP
CIK 0001965207
$1M1.3M0.11%Q2 202615
MORGAN STANLEY
CIK 0000895421
$500K500K0.00%Q2 202616
SG Americas Securities, LLC
CIK 0001313360
$315K3K0.00%Q1 202617
JPMORGAN CHASE & CO
CIK 0000019617
$47K47K0.00%Q2 202618
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025