ACADIAN ASSET MANAGEMENT LLC

Position in WB — WEIBO Corp

CIK 916542 Boston, MA

Position in WB

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$48,699,656

-$11,178,066 QoQ

Shares Held

5,565,675

-5.0% QoQ

Ownership

2.27%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

19 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Communication Services · as of Mar 31, 2026

ACADIAN ASSET MANAGEMENT LLC holds $3,844,163,825 across 38 Internet Content & Information names. WB ranks #8 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GOOGL	Alphabet Inc.	8,180,721	$2,352,448,130
2	META	Meta Platforms, Inc.	1,343,709	$768,776,230
3	BZ	Kanzhun Ltd	10,110,270	$135,376,515
4	SNAP	Snap Inc	25,033,425	$115,153,755
5	JOYY	JOYY Inc.	1,468,052	$85,719,556
6	ATHM	Autohome Inc.	4,170,658	$72,444,329
7	YELP	Yelp Inc	2,208,841	$54,646,726
8	WB	WEIBO Corp This page	5,565,675	$48,699,656

19 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$48,699,656	5,565,675	-5.0%	Shares	Defined	2026-05-13
2025-12-31	$59,877,722	5,858,877	-0.0%	Shares	Defined	2026-02-10
2025-09-30	$72,662,747	5,859,899	-1.5%	Shares	Defined	2025-11-13
2025-06-30	$56,684,621	5,948,019	-0.3%	Shares	Defined	2025-08-07
2025-03-31	$56,491,277	5,965,288	-0.1%	Shares	Defined	2025-05-21
2024-12-31	$57,013,815	5,970,033	-1.3%	Shares	Defined	2025-02-11
2024-09-30	$61,001,357	6,051,722	+148.7%	Shares	Defined	2024-11-12
2024-06-30	$18,689,349	2,433,509	+204.5%	Shares	Defined	2024-08-06
2024-03-31	$7,265,446	799,279	-70.6%	Shares	Defined	2024-05-10
2023-12-31	$29,774,823	2,719,162	+19.7%	Shares	Defined	2024-02-13
2023-09-30	$28,485,613	2,271,580	-9.3%	Shares	Defined	2023-11-13
2023-06-30	$32,822,471	2,503,621	+51.7%	Shares	Defined	2023-08-07
2023-03-31	$33,100,865	1,650,093	+1732.5%	Shares	Defined	2023-05-11
2021-12-31	$2,789,563	90,044	-45.0%	Shares	Defined	2022-02-10
2021-09-30	$7,773,970	163,697	-64.6%	Shares	Defined	2021-11-12
2021-06-30	$24,335,539	462,477	+19.6%	Shares	Defined	2021-08-11
2021-03-31	$19,507,028	386,584	+1420.8%	Shares	Defined	2021-05-11
2020-12-31	$1,041,924	25,419	+1448.1%	Shares	Defined	2021-02-11
2020-09-30	$59,818	1,642	—	Shares	Defined	2020-11-09
No filing history on record for this holder in this stock.