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WB — WEIBO CORP

Reported value held$313.81M
Funds holding (latest)46
SectorTechnology
Funds holding (Q2 2026)25
Institutional value$161.39M · 87.65M sh
New / Add / Cut / Exit1 / 12 / 8 / 0
Top-5 / Top-10 concentration81.0% / 94.6%
Institutional holdings change Accumulating +10.1% (+8.07M sh)
Institutional value change Up +1.1%

As of Q2 2026, 25 SEC-registered investment managers reported holding WB (WEIBO CORP) in their latest 13F filings, with a combined reported value of $161.39M across 87.65M shares. That is +10.1% by share count (+8.07M shares) versus the previous quarter, while reported value moved +1.1%. Ownership is concentrated: the five largest holders account for 81.0% of reported value and the top ten for 94.6%.

Compared with the prior quarter, 1 opened new positions, 12 added to existing stakes, 8 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

WB is classified in the Technology sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Davidson Kempner Capital Management history Q2 2026 75.33M $75.36M 1.00% Add
T. Rowe Price Associates history Q3 2022 3.22M $55.03M 0.01% Add
Vanguard Group history Q4 2024 2.81M $26.85M 0.00% Add
Ontario Teachers Pension Plan history Q3 2022 24.45M $24.20M 0.35% Hold
Amundi US history Q3 2022 18.32M $18.09M 0.01% Reduce
Wellington Management Group history Q2 2026 2.36M $17.16M 0.00% Add
Causeway Capital Management history Q2 2026 2.32M $16.83M 0.18% Reduce
Fidelity International (FIL) history Q2 2026 1.74M $12.61M 0.01% Reduce
Norges Bank Investment Management history Q4 2024 1.18M $11.27M 0.00% Add
Goldman Sachs Group history Q2 2026 1.20M $8.71M 0.00% Reduce
UBS Group AG history Q2 2026 975.55K $7.08M 0.00% Add
CPP Investments history Q2 2025 554.60K $5.29M 0.01% Hold
Prudential Financial history Q2 2026 657.70K $4.77M 0.01% Add
D. E. Shaw & Co history Q2 2026 644.96K $4.68M 0.00% Add
Arrowstreet Capital history Q3 2025 363.67K $4.51M 0.00% Reduce
Invesco Ltd history Q2 2026 380.41K $2.76M 0.00% Reduce
Legal & General Investment Management America history Q2 2026 368.35K $2.68M 0.00% Add
Millennium Management history Q2 2026 282.84K $2.05M 0.00% Add
Two Sigma Investments history Q2 2026 224.60K $1.63M 0.00% Reduce
BlackRock Inc history Q2 2026 169.63K $1.23M 0.00% Add

View all 46 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

No tracked fund fully exited this quarter.

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Davidson Kempner Capital Management — — — — — — — — — — — — — 36.00M 40.00M 40.00M 40.00M 43.50M 60.00M 75.33M
Wellington Management Group 290.00K 270.00K 270.00K 215.00K 215.00K 55.00K 36.69K — — — — 35.01K 60.20K 1.05M 1.07M 917.46K 1.16M 946.85K 1.67M 2.36M
Causeway Capital Management — — — — — — — — — — 1.81M 1.90M 1.97M 2.26M 2.26M 2.64M 2.95M 2.99M 2.67M 2.32M
Fidelity International (FIL) — — — — — — — — — — — — — — — — — 1.63M 1.80M 1.74M
Goldman Sachs Group 1.19M 493.33K 476.93K 197.06K 252.99K 863.02K 1.92M 1.00M 1.03M 3.08M 986.81K 2.36M 2.39M 10.60M 1.79M 690.00K 1.37M 2.00M 9.24M 1.20M
UBS Group AG 595.94K 2.82M 5.06M 2.00K 500.00K 2.45M 494.25K 155.35K 2.27M 315.56K 226.70K 236.10K 93.28K 302.54K 625.02K 679.18K 1.38M 1.60M 732.26K 975.55K
Prudential Financial 219.52K 219.11K 228.21K — — — — — — — — — — 102.70K 281.30K 484.80K 390.50K 475.70K 467.10K 657.70K
D. E. Shaw & Co 700.09K 590.04K 305.37K 760.81K 469.54K 638.01K 761.16K 449.58K 654.04K 562.28K 354.10K 400.63K 391.15K 300.50K 10.90K 22.59K 628.09K 660.24K 635.26K 644.96K
Invesco Ltd 5.98M 2.73M 1.45M 2.00M 500.00K 1.43M 1.55M 1.66M 1.23M 1.18M 1.27M 1.30M 1.28M 1.72M 511.08K 501.64K 496.88K 491.95K 502.93K 380.41K
Legal & General Investment Management America 384.12K 485.09K 522.48K 561.92K 567.50K 569.11K 561.27K 565.48K 463.07K 597.39K 144.84K 168.78K 165.06K 163.45K 153.39K 212.97K 213.14K 248.44K 244.94K 368.35K
Millennium Management — 259.99K 40.10K 66.73K 43.27K 123.31K 43.92K 49.67K 30.54K 115.21K 465.76K 726.94K 293.38K 67.60K 100.00K 107.79K 26.20M 102.25K 10.29K 282.84K
Two Sigma Investments 5.00K 7.00K 300.13K 629.69K — 54.20K 220.49K 192.20K 42.30K 1.48M 1.66M 1.97M 2.05M 1.91M 1.11M 537.74K — 42.20K 536.19K 224.60K
BlackRock Inc — — — — — — — — — — — — 4.14M 3.87M 3.50M 3.35M 2.70M 82.81K 82.41K 169.63K
Citadel Advisors 337.05K 328.15K 301.02K 242.17K 165.20K 320.30K 714.13K 271.96K 287.97K 401.34K 1.04M 569.40K 657.95K 869.25K 847.82K 578.46K 273.57K 266.80K 264.25K 136.97K
Bank of America Corp 7.95M 9.98M 8.95M 5.84M 5.78M 3.22M 1.53M 396.16K 273.81K 207.51K 913.01K 965.62K 1.01M 359.00K 4.21M 709.00K 709.00K 24.20K 35.31K 105.94K
Citigroup Inc 106.97K 123.01K 289.01K 67.00K 612.00K 253.81K 265.94K 273.88K 235.98K 60.19K 179.03K 134.78K 602.85K 634.24K 3.29M 250.64K 147.51K 69.50K 69.36K 70.72K
Morgan Stanley 226.00K 182.00K 182.00K 227.00K 1.46M 701.50K 2.90M 986.06K 489.03K 1.69M 2.26M 3.88M 2.81M 500.00K 500.00K 500.00K 500.00K 500.00K 500.00K 500.00K
Northern Trust Corp 211.85K 195.79K 198.13K 198.56K 209.98K 201.17K 259.36K 195.49K 189.16K 113.95K 67.26K 98.86K 110.18K 178.20K 161.67K 162.14K 168.06K 166.51K 61.33K 58.99K
Geode Capital Management 301.20K 302.96K 331.88K 356.63K 391.29K 376.74K 373.86K 398.15K 493.91K 504.88K 147.03K 125.43K 223.45K 214.29K 532.50K 150.17K 176.70K 57.92K 50.20K 50.20K
Balyasny Asset Management 123.93K 166.05K 20.40K 179.99K 18.36K — — — — — — 89.48K — 28.91K 73.37K 158.39K 60.32K 147.74K 19.77K 29.23K

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