Weibo
141 hedge funds and large institutions have $489M invested in Weibo in 2025 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 44 increasing their positions, 45 reducing their positions, and 25 closing their positions.
8% more first-time investments, than exits
New positions opened: 27 | Existing positions closed: 25
1% more funds holding
Funds holding: 140 → 141 (+1)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
2% less repeat investments, than reductions
Existing positions increased: 44 | Existing positions reduced: 45
5% less call options, than puts
Call options by funds: $16.5M | Put options by funds: $17.4M
5.87% less ownership
Funds ownership: 36.37% → 30.49% (-5.9%)
26% less capital invested
Capital invested by funds: $663M → $489M (-$174M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity International
Hamilton,
Bermuda
|
+$17.5M |
| 2 |
AIM
Alpine Investment Management
Hong Kong
|
+$4.14M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$2.68M |
| 4 |
OSAM
O'Shaughnessy Asset Management
Stamford,
Connecticut
|
+$2.36M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$2.35M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$28.1M |
| 2 |
Nuveen
Charlotte,
North Carolina
|
-$21.2M |
| 3 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$19.5M |
| 4 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$14.2M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
-$8.12M |
WB Hedge Fund Activity: Q4 2025 in Review
141 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Weibo (WB) for Q4 2025, worth a combined $489M — down 26% from $663M a quarter earlier.
Buyers outnumbered sellers: 27 funds opened new WB positions and 25 closed out — a net gain of 2 holders — while 44 added to existing stakes and 45 trimmed.
The largest buyer was Fidelity International, opening a new position worth an estimated $17.5M. The largest seller was BlackRock, cutting an estimated $28.1M.
- 141 institutional investors held Weibo (WB) as of Q4 2025, up from 140 in Q3 2025.
- Funds reported $489M of Weibo stock for Q4 2025, down 26% quarter-over-quarter.
- 27 funds opened new Weibo positions in Q4 2025 and 25 closed out, a net change of +2 holders.
- The largest Weibo buyer in Q4 2025 was Fidelity International, an estimated $17.5M added.
- The largest Weibo seller in Q4 2025 was BlackRock, an estimated $28.1M sold.
Based on aggregated 13F filings for Q4 2025.