Optiver Holding’s MBIA MBI Stock Holding History

Optiver Holding’s Portfolio MBI Stock Details MBI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.02K	Hold	464	–	–	﹤0.01%	2167
2026 Q1	$2.74K	Buy	464 +88	+23%	+$561	﹤0.01%	1707
2025 Q4	$2.69K	Hold	376	–	–	﹤0.01%	1832
2025 Q3	$2.8K	Buy	+376	New	+$2.38K	﹤0.01%	2229

Other funds holding MBI

KBG

Kahn Brothers Group New York $633M AUM 39.01% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

WHCM

Wolf Hill Capital Management Greenwich, Connecticut $1.2B AUM 137.35% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

ValueWorks New York $479M AUM 117.71% 1-Year Est. Return

Hosking Partners London, United Kingdom $3.01B AUM 83.99% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Cerity Partners New York $82.7B AUM 28.53% 1-Year Est. Return

TCW Group Los Angeles, California $14.9B AUM 46.29% 1-Year Est. Return

Optiver Holding's MBI Position: Q2 2026 in Review

Optiver Holding held its MBIA (MBI) position steady in Q2 2026 at 464 shares worth $3.02K. The position accounts for ﹤0.01% of the portfolio, ranked #2167.

Optiver Holding first reported a position in MBI in Q3 2025 and has held it in 4 quarters since. 130 funds tracked by Wall St. Rank hold MBI as of Q2 2026.

Optiver Holding held 464 shares of MBIA worth $3.02K as of Q2 2026.
Optiver Holding left its MBIA share count unchanged in Q2 2026.
MBIA made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2167 holding.
Optiver Holding first reported a position in MBIA in Q3 2025 and has held it in 4 quarters since.
130 funds tracked by Wall St. Rank held MBIA as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.