Optiver Holding’s Nanobiotix NBTX Stock Holding History

Optiver Holding’s Portfolio NBTX Stock Details NBTX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$514K	Buy	13,631 +130	+1%	+$4.83K	﹤0.01%	756
2026 Q1	$417K	Sell	13,501 -2,724	-17%	-$71.8K	﹤0.01%	676
2025 Q4	$375K	Buy	16,225 +10,869	+203%	+$237K	﹤0.01%	621
2025 Q3	$101K	Buy	+5,356	New	+$45.6K	﹤0.01%	690

Other funds holding NBTX

Johnson & Johnson New Brunswick, New Jersey $799M AUM 253.51% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Optiver Holding's NBTX Position: Q2 2026 in Review

Optiver Holding increased its Nanobiotix (NBTX) stake by 0.96% in Q2 2026, buying an estimated $4.83K and bringing the position to 13,631 shares worth $514K. The position accounts for ﹤0.01% of the portfolio, ranked #756.

Optiver Holding first reported a position in NBTX in Q3 2025 and has held it in 4 quarters since. 19 funds tracked by Wall St. Rank hold NBTX as of Q2 2026.

Optiver Holding held 13,631 shares of Nanobiotix worth $514K as of Q2 2026.
Optiver Holding bought 130 Nanobiotix shares in Q2 2026, an estimated $4.83K.
Nanobiotix made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #756 holding.
Optiver Holding first reported a position in Nanobiotix in Q3 2025 and has held it in 4 quarters since.
19 funds tracked by Wall St. Rank held Nanobiotix as of Q2 2026.

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