Vault-13

WEIBO CORP WB

SPONSORED ADR · ADR · CUSIP 948596101 · ISIN US9485961018

Chinese social network company

135 institutional holders -9 vs Q1 2026
47,212,23547.2m shares reported held*
$344.3mreported value*
13 new 46 added 47 reduced 23 sold out net bought ≈ $18.3m (+2.5m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($4.1m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $7.29. Options: 5 managers hold calls ($1.6m notional), 8 hold puts ($3.1m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 152Q4 22: 164Q1 23: 182Q2 23: 179Q3 23: 163Q4 23: 169Q1 24: 147Q2 24: 137Q3 24: 126Q4 24: 150Q1 25: 151Q2 25: 145Q3 25: 141Q4 25: 142Q1 26: 144Q2 26: 135135Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022152
Q4 2022164
Q1 2023182
Q2 2023179
Q3 2023163
Q4 2023169
Q1 2024147
Q2 2024137
Q3 2024126
Q4 2024150
Q1 2025151
Q2 2025145
Q3 2025141
Q4 2025142
Q1 2026144
Q2 2026135

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 62 bought or addedQ3 24: 64 cut or sold outQ4 24: 80 bought or addedQ4 24: 54 cut or sold outQ4 24Q1 25: 70 bought or addedQ1 25: 71 cut or sold outQ2 25: 62 bought or addedQ2 25: 79 cut or sold outQ2 25Q3 25: 66 bought or addedQ3 25: 77 cut or sold outQ4 25: 66 bought or addedQ4 25: 70 cut or sold outQ4 25Q1 26: 61 bought or addedQ1 26: 76 cut or sold outQ2 26: 59 bought or addedQ2 26: 70 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20246264
Q4 20248054
Q1 20257071
Q2 20256279
Q3 20256677
Q4 20256670
Q1 20266176
Q2 20265970

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$10m$20m$30mQ3 25 calls: $26.9mQ3 25 puts: $22.8mQ3 25P/C 0.85Q4 25 calls: $20.5mQ4 25 puts: $17.4mQ4 25P/C 0.85Q1 26 calls: $3.2mQ1 26 puts: $4.6mQ1 26P/C 1.43Q2 26 calls: $1.6mQ2 26 puts: $3.1mQ2 26P/C 1.98
Numbers
QuarterCallsPutsP/C
Q3 2025$26.9m$22.8m0.85
Q4 2025$20.5m$17.4m0.85
Q1 2026$3.2m$4.6m1.43
Q2 2026$1.6m$3.1m1.98

Biggest buyers

Polunin Capital Partners Ltd New +2,926,338+2.9m
WELLINGTON MANAGEMENT GROUP LLP Added +697,778+697.8k
Saba Capital Management, L.P. Added +670,169+670.2k
Linden Advisors LP New +387,090+387.1k
MILLENNIUM MANAGEMENT LLC Added +272,551+272.6k
UBS Group AG Added +243,299+243.3k
BNP PARIBAS FINANCIAL MARKETS Added +229,622+229.6k
Trexquant Investment LP New +229,393+229.4k
NEW YORK STATE COMMON RETIREMENT FUND Added +217,100+217.1k
PRUDENTIAL FINANCIAL INC Added +190,600+190.6k

Biggest sellers

ACADIAN ASSET MANAGEMENT LLC Reduced -512,069-512.1k
GOLDMAN SACHS GROUP INC Reduced -498,772-498.8k
CAUSEWAY CAPITAL MANAGEMENT LLC Reduced -348,625-348.6k
Qube Research & Technologies Ltd Sold out -315,993-316.0k
TWO SIGMA INVESTMENTS, LP Reduced -311,583-311.6k
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS Sold out -300,807-300.8k
Krane Funds Advisors LLC Reduced -297,904-297.9k
STATE STREET CORP Reduced -291,514-291.5k
XY Capital Ltd Sold out -177,611-177.6k
VOLORIDGE INVESTMENT MANAGEMENT, LLC Reduced -176,728-176.7k

Biggest calls

GROUP ONE TRADING LLC Reduced $506.0k69.7k shares
SIMPLEX TRADING, LLC Reduced $468.3k64.5k shares
Walleye Trading LLC Added $237.4k32.7k shares
IMC-Chicago, LLC Added $214.2k29.5k shares
JANE STREET GROUP, LLC Reduced $153.2k21.1k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $1.0m138.4k shares
CITADEL ADVISORS LLC Reduced $894.4k123.2k shares
GROUP ONE TRADING LLC Reduced $315.1k43.4k shares
SIMPLEX TRADING, LLC Reduced $311.5k42.9k shares
JANE STREET GROUP, LLC New $286.8k39.5k shares
IMC-Chicago, LLC Added $271.5k37.4k shares
Walleye Trading LLC Reduced $45.7k6.3k shares
WOLVERINE ASSET MANAGEMENT LLC Unchanged $2.2k300 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Alibaba Group Holding Ltd 12.83% of their portfolio Causeway Bay, K3 9,000,0009.0m $65.3m $65.3m 12.83% Unchanged
2 ACADIAN ASSET MANAGEMENT LLC 0.04% of their portfolio Boston, MA 5,053,6065.1m $36.7m $36.7m 0.04% Reduced -512.1k -512,069
3 Krane Funds Advisors LLC 0.91% of their portfolio NEW YORK, NY 3,522,3913.5m $25.6m $25.6m 0.91% Reduced -297.9k -297,904
4 Saba Capital Management, L.P. 0.69% of their portfolio NEW YORK, NY 3,107,5263.1m $22.6m $22.6m 0.69% Added +670.2k +670,169
5 Polunin Capital Partners Ltd 5.54% of their portfolio LONDON, X0 2,926,3382.9m $22.6m $22.6m 5.54% New
6 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 2,363,3732.4m $17.2m $17.2m 0.00% Added +697.8k +697,778
7 CAUSEWAY CAPITAL MANAGEMENT LLC 0.18% of their portfolio LOS ANGELES, CA 2,317,5772.3m $16.8m $16.8m 0.18% Reduced -348.6k -348,625
8 FIL Ltd 0.01% of their portfolio HAMILTON, D0 1,736,7261.7m $12.6m $12.6m 0.01% Reduced -62.6k -62,645
9 NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.02% of their portfolio PHILADELPHIA, PA 1,512,9951.5m $11.0m $11.0m 0.02% Reduced -43.2k -43,218
10 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 1,199,5781.2m $8.7m $8.7m 0.00% Reduced -498.8k -498,772
11 UBS Group AG 0.00% of their portfolio ZURICH, V8 975,555975.6k $7.1m $7.1m 0.00% Added +243.3k +243,299
12 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 781,049781.0k $5.7m $5.7m 0.01% Added +217.1k +217,100
13 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.02% of their portfolio Stamford, CT 722,003722.0k $5.2m $5.2m 0.02% Reduced -69.3k -69,294
14 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 691,548691.5k $5.0m $5.0m 0.00% Reduced -32.7k -32,680
15 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 666,104666.1k $4.8m $4.8m 0.00% Added +81.5k +81,547
16 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 657,700657.7k $4.8m $4.8m 0.01% Added +190.6k +190,600
17 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 650,193650.2k $4.7m $4.7m 0.00% Reduced -19.9k -19,900
18 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 644,960645.0k $4.7m $4.7m 0.00% Added +9.7k +9,704
19 Quinn Opportunity Partners LLC 0.22% of their portfolio CHARLOTTESVILLE, VA 638,745638.7k $4.6m $4.6m 0.22% Unchanged
20 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 607,923607.9k $4.4m $4.4m 0.00% Reduced -291.5k -291,514
21 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 579,141579.1k $4.2m $4.2m 0.00% Reduced -126.9k -126,935
22 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 515,529515.5k $3.7m $3.7m 0.00% Added +56.6k +56,596
23 Long Corridor Asset Management Ltd 1.10% of their portfolio HONG KONG, K3 500,000500.0k $3.6m $3.6m 1.10% Reduced -30.0k -30,000
24 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 420,231420.2k $3.1m $3.1m 0.00% Added +71.0k +70,978
25 Linden Advisors LP 0.01% of their portfolio New York, NY 387,090387.1k $2.8m $2.8m 0.01% New
26 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 380,408380.4k $2.8m $2.8m 0.00% Reduced -122.5k -122,523
27 Legal & General Group Plc 0.00% of their portfolio London, X0 368,354368.4k $2.7m $2.7m 0.00% Added +123.4k +123,415
28 E Fund Management Co., Ltd. 0.06% of their portfolio GUANGZHOU, F4 360,379360.4k $2.6m $2.6m 0.06% Added +12.7k +12,661
29 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 282,839282.8k $2.1m $2.1m 0.00% Added +272.6k +272,551
30 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 275,409275.4k $2.0m $2.0m 0.01% Reduced -8.3k -8,340
31 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 235,690235.7k $1.7m $1.7m 0.00% Added +229.6k +229,622
32 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 229,393229.4k $1.7m $1.7m 0.01% New
33 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 224,605224.6k $1.6m $1.6m 0.00% Reduced -311.6k -311,583
34 AIA Group Ltd 0.02% of their portfolio HONG KONG, K3 207,300207.3k $1.5m $1.5m 0.02% Added +103.7k +103,721
35 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 207,045207.0k $1.5m $1.5m 0.00% Added +32.4k +32,410
36 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 179,106179.1k $1.3m $1.3m 0.00% Reduced -53.3k -53,284
37 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 169,763169.8k $1.2m $1.2m 0.00% Added +112.6k +112,601
38 BlackRock, Inc. 0.00% of their portfolio New York, NY 169,633169.6k $1.2m $1.2m 0.00% Added +87.2k +87,220
39 Allianz Asset Management GmbH 0.00% of their portfolio MUNICH, 2M 135,387135.4k $1.2m $1.2m 0.00% Unchanged
40 Mitsubishi UFJ Trust & Banking Corp 0.00% of their portfolio TOKYO, M0 133,919133.9k $972.3k $972.3k 0.00% Reduced -70.3k -70,304
41 Headlands Technologies LLC 0.09% of their portfolio CHICAGO, IL 119,350119.3k $866.5k $866.5k 0.09% Added +71.6k +71,607
42 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 105,939105.9k $769.1k $769.1k 0.00% Added +70.6k +70,632
43 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 101,006101.0k $733.3k $733.3k 0.00% Added +35.8k +35,831
44 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 85,31985.3k $619.4k $619.4k 0.00% Unchanged
45 Vident Advisory, LLC 0.00% of their portfolio Alpharetta, GA 79,22879.2k $575.2k $575.2k 0.00% Reduced -16.0k -16,024
46 Glenorchy Capital Ltd 0.35% of their portfolio BOOROLITE, C3 77,49877.5k $562.6k $562.6k 0.35% Added +9.0k +8,996
47 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 70,71970.7k $513.4k $513.4k 0.00% Added +1.4k +1,356
48 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 68,65468.7k $498.4k $498.4k 0.00% Reduced -19.2k -19,228
49 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 62,99463.0k $457.3k $457.3k 0.00% Reduced -135.1k -135,094
50 Caprock Group, LLC 0.01% of their portfolio BOISE, ID 62,57262.6k $454.3k $454.3k 0.01% Reduced -33.2k -33,189
51 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 58,99459.0k $428.3k $428.3k 0.00% Reduced -2.3k -2,335
52 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.00% of their portfolio JUPITER, FL 53,30253.3k $387.0k $387.0k 0.00% Reduced -176.7k -176,728
53 OMERS ADMINISTRATION Corp 0.00% of their portfolio TORONTO, A6 52,93052.9k $384.3k $384.3k 0.00% Unchanged
54 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 50,19550.2k $364.4k $364.4k 0.00% Unchanged
55 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 47,90147.9k $347.8k $347.8k 0.00% Added +20.3k +20,256
56 JMN Financial LLC 0.27% of their portfolio NEW ALBANY, OH 47,80347.8k $347.1k $347.1k 0.27% Added +22.1k +22,137
57 Vest Financial, LLC 0.00% of their portfolio MCLEAN, VA 47,16847.2k $342.4k $342.4k 0.00% Added +17.7k +17,710
58 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 45,17745.2k $328.0k $328.0k 0.00% Reduced -1.5k -1,518
59 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 42,99643.0k $312.2k $312.2k 0.00% Reduced -69.4k -69,394
60 Handelsbanken Fonder AB 0.00% of their portfolio STOCKHOLM, V7 42,14042.1k $306.0k $306.0k 0.00% Unchanged
61 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 39,19839.2k $284.6k $284.6k 0.00% Added +6.8k +6,784
62 Savant Capital, LLC 0.00% of their portfolio ROCKFORD, IL 36,42036.4k $313.6k $313.6k 0.00% Added +3.4k +3,423
63 IMC-Chicago, LLC 0.00% of their portfolio CHICAGO, IL 34,99735.0k $254.1k $254.1k 0.00% Added +18.7k +18,663
64 LVW Advisors, LLC 0.02% of their portfolio PITTSFORD, NY 34,83534.8k $252.9k $252.9k 0.02% Reduced -11.3k -11,288
65 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 34,66534.7k $251.7k $251.7k 0.00% Added +976 +976
66 CIBC WORLD MARKET INC. 0.00% of their portfolio TORONTO, A6 34,01334.0k $246.9k $246.9k 0.00% Unchanged
67 DV EQUITIES, LLC 0.03% of their portfolio CHICAGO, IL 32,59532.6k $236.6k $236.6k 0.03% First filing
68 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 29,23529.2k $212.2k $212.2k 0.00% Added +9.5k +9,465
69 Tidal Investments LLC 0.00% of their portfolio Milwaukee, WI 28,65528.7k $208.0k $208.0k 0.00% New
70 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 25,26625.3k $183.4k $183.4k 0.00% Unchanged
71 Vontobel Holding Ltd. 0.00% of their portfolio ZURICH, V8 25,00425.0k $181.5k $181.5k 0.00% Added +4.5k +4,547
72 DIVERSIFIED TRUST CO 0.00% of their portfolio MEMPHIS, TN 23,64423.6k $171.7k $171.7k 0.00% New
73 Aigen Investment Management, LP 0.05% of their portfolio NEW YORK, NY 23,61023.6k $171.4k $171.4k 0.05% New
74 QRG CAPITAL MANAGEMENT, INC. 0.00% of their portfolio BERWYN, PA 23,46523.5k $170.4k $170.4k 0.00% Added +3.1k +3,090
75 Kathmere Capital Management, LLC 0.01% of their portfolio WAYNE, PA 22,87322.9k $166.1k $166.1k 0.01% Reduced -22.5k -22,480
76 Resolute Advisors LLC 0.04% of their portfolio SAN FRANCISCO, CA 22,00022.0k $159.7k $159.7k 0.04% Unchanged
77 Pathstone Holdings, LLC 0.00% of their portfolio ENGLEWOOD, NJ 19,37019.4k $140.6k $140.6k 0.00% Reduced -916 -916
78 Mariner, LLC 0.00% of their portfolio Overland Park, KS 19,05119.1k $138.3k $138.3k 0.00% Reduced -16.1k -16,086
79 DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% of their portfolio FRANKFURT AM MAIN, 2M 18,80418.8k $136.5k $136.5k 0.00% Added +18.6k +18,600
80 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 18,67418.7k $135.0k $135.0k 0.00% Unchanged
81 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 18,18118.2k $132.0k $132.0k 0.00% Added +3.1k +3,053
82 D'Orazio & Associates, Inc. 0.01% of their portfolio VIENNA, VA 15,06915.1k $109.4k $109.4k 0.01% Reduced -11.7k -11,718
83 Bridgefront Capital, LLC 0.03% of their portfolio AUSTIN, TX 14,13714.1k $102.6k $102.6k 0.03% New
84 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 13,77513.8k $100.0k $100.0k 0.00% Reduced -7.1k -7,078
85 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 13,58213.6k $98.6k $98.6k 0.00% Reduced -5.9k -5,866
86 Nykredit A/S 0.00% of their portfolio NORDHAVN, G7 12,76912.8k $92.7k $92.7k 0.00% First filing
87 Ascent Group, LLC 0.00% of their portfolio VIRGINIA BEACH, VA 11,82911.8k $85.9k $85.9k 0.00% Reduced -1.6k -1,624
88 Virtu Financial LLC 0.00% of their portfolio New York, NY 11,71111.7k $85.0k $85.0k 0.00% Reduced -476 -476
89 Vise Technologies, Inc. 0.00% of their portfolio NEW YORK, NY 10,60210.6k $77.0k $77.0k 0.00% Reduced -9.8k -9,756
90 WealthCollab, LLC 0.03% of their portfolio BELLEVUE, WA 10,39610.4k $75.5k $75.5k 0.03% Added +5.6k +5,614
91 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 7,8697.9k $57.1k $57.1k 0.00% New
92 ATLAS CAPITAL ADVISORS INC. 0.00% of their portfolio JACKSON, WY 3,9914.0k $29.0k $29.0k 0.00% Reduced -11.2k -11,168
93 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 3,7753.8k $27.4k $27.4k 0.00% Added +634 +634
94 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 3,3643.4k $24.4k $24.4k 0.00% Reduced -512 -512
95 BNP PARIBAS 0.00% of their portfolio NEW YORK, NY 2,4312.4k $17.6k $17.6k 0.00% Unchanged
96 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,4012.4k $17.4k $17.4k 0.00% Reduced -6.1k -6,134
97 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 2,3462.3k $17.0k $17.0k 0.00% Reduced -1.1k -1,134
98 North Star Investment Management Corp. 0.00% of their portfolio CHICAGO, IL 2,0882.1k $15.2k $15.2k 0.00% Added +87 +87
99 ASSETMARK, INC 0.00% of their portfolio CONCORD, CA 1,1741.2k $8.5k $8.5k 0.00% Added +554 +554
100 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 1,1021.1k $8.0k $8.0k 0.00% Reduced -2.1k -2,150