XTX Topco’s SI-BONE Inc SIBN Stock Holding History

XTX Topco’s Portfolio SIBN Stock Details SIBN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$655K	Sell	40,132 -43,021	-52%	-$615K	0.01%	2186
2026 Q1	$1.05M	Buy	+83,153	New	+$1.3M	0.02%	1369
2025 Q4	–	Sell	-33,870	Closed	-$499K	–	3750
2025 Q3	$499K	Buy	33,870 +14,053	+71%	+$229K	0.03%	1072
2025 Q2	$373K	Buy	+19,817	New	+$329K	0.02%	1297
2025 Q1	–	Sell	-12,200	Closed	-$171K	–	3026
2024 Q4	$171K	Buy	+12,200	New	+$164K	0.01%	1617
2024 Q2	–	Sell	-10,513	Closed	-$172K	–	2405
2024 Q1	$172K	Sell	10,513 -841	-7%	-$15.8K	0.02%	1224
2023 Q4	$238K	Buy	+11,354	New	+$210K	0.05%	819

Other funds holding SIBN

FLAM

First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

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

CCM

Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return

GIM

Granahan Investment Management Waltham, Massachusetts $2.81B AUM 83.9% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Impax Asset Management Group London, United Kingdom $15.4B AUM 26.43% 1-Year Est. Return

GGHC

Gilder Gagnon Howe & Co New York $9.69B AUM 55.7% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

XTX Topco's SIBN Position: Q2 2026 in Review

XTX Topco reduced its SI-BONE Inc (SIBN) stake by 52% in Q2 2026, selling an estimated $615K and leaving 40,132 shares worth $655K. The position accounts for 0.01% of the portfolio, ranked #2186.

XTX Topco first reported a position in SIBN in Q4 2023 and has held it in 7 quarters since. The position peaked at $1.05M in Q1 2026. 168 funds tracked by Wall St. Rank hold SIBN as of Q2 2026.

XTX Topco held 40,132 shares of SI-BONE Inc worth $655K as of Q2 2026.
XTX Topco sold 43,021 SI-BONE Inc shares in Q2 2026, an estimated $615K.
SI-BONE Inc made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2186 holding.
XTX Topco first reported a position in SI-BONE Inc in Q4 2023 and has held it in 7 quarters since.
XTX Topco's SI-BONE Inc position peaked at $1.05M in Q1 2026.
168 funds tracked by Wall St. Rank held SI-BONE Inc as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.