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WB Institutional Ownership & 13F Holders | SmartMoneyDB

WBWEIBO CORP

Smart Money Ownership

Of the 7 tracked institutions holding WB, 2 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.

Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →

WB (WEIBO CORP) Institutional Ownership Summary

Among the 7 tracked institutional investors we monitor, WB (WEIBO CORP) is held with a combined value of $32.35M across 4,161,340 shares. The largest holder is WELLINGTON MANAGEMENT GROUP LLP with a position worth $17.16M. 3 funds increased their holdings. 3 funds reduced their position.

Total Institutional Value

$32.35M

Total Shares Held

4,161,340

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

WELLINGTON MANAGEMENT GROUP LLP+42% shares~$5.1M MILLENNIUM MANAGEMENT LLC+2649% shares~$2.0M BlackRock, Inc.+106% shares~$633.1K

Biggest Sellers

STATE STREET CORP−32% shares~$2.1M

13F Institutional Holders

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WELLINGTON MANAGEMENT GROUP LLP

0.00% of book+41.9%

$17.16M

TWO SIGMA ADVISERS, LP

MILLENNIUM MANAGEMENT LLC

0.00% of book+2649.2%

#	Fund	Value↓	Shares	Portfolio %	Change
1	WELLINGTON MANAGEMENT GROUP LLP	$17.16M	2,363,373	0.00%	+41.9%
2	TWO SIGMA ADVISERS, LP	$7.40M	723,588	0.01%	-11.3%
3	STATE STREET CORP	$4.41M	607,923	0.00%	-32.4%
4	MILLENNIUM MANAGEMENT LLC	$2.05M	282,839	0.00%	+2649.2%
5	BlackRock, Inc.	$1.23M	169,633	0.00%	+105.8%
6	CITADEL ADVISORS LLC	$100.01K	13,775	0.00%	-33.9%
7	FMR LLC	$1.52K	209	0.00%	-

Frequently Asked Questions

Which institutional investors own the most WB stock?

As of the latest SEC 13F filings, WELLINGTON MANAGEMENT GROUP LLP is the largest institutional holder of WB with a position worth $17.16M, representing 0.00% of their portfolio. In total, 7 institutional investors hold WB with a combined value of $32.35M.

What percentage of WB is owned by institutional investors?

Institutional investors hold $32.35M worth of WB stock across 7 positions. The largest institutional holder is WELLINGTON MANAGEMENT GROUP LLP with $17.16M in holdings.

What is a 13F filing and why does it matter for WB?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For WB, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track WB institutional moves

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