Millennium Management’s SI-BONE Inc SIBN Stock Holding History

Millennium Management’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
2024 Q1	–	Sell	-20,000	Closed	-$420K	–	6603
2023 Q4	$420K	Buy	+20,000	New	+$370K	﹤0.01%	4748
2023 Q2	–	Sell	-10,000	Closed	-$197K	–	6634
2023 Q1	$197K	Buy	+10,000	New	+$178K	﹤0.01%	5175
2022 Q1	–	Sell	-30,000	Closed	-$666K	–	7431
2021 Q4	$666K	Hold	30,000	–	–	﹤0.01%	4787
2021 Q3	$643K	Buy	+30,000	New	+$759K	﹤0.01%	5112
2021 Q2	–	Sell	-10,000	Closed	-$318K	–	7049
2021 Q1	$318K	Buy	+10,000	New	+$308K	﹤0.01%	5170

Other funds holding SIBN

FLAM

First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

CCM

Cadian Capital Management New York $821M AUM 14.36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

GIM

Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

SAM

Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

Millennium Management's SIBN Position: Q1 2026 in Review

Millennium Management increased its SI-BONE Inc (SIBN) stake by 244% in Q1 2026, buying an estimated $4.1M and bringing the position to 369,303 shares worth $4.66M. The position accounts for ﹤0.01% of the portfolio, ranked #3024.

Millennium Management first reported a position in SIBN in Q4 2018 and has held it in 26 quarters since. The position peaked at $55.5M in Q2 2023. 180 funds tracked by Wall St. Rank hold SIBN as of Q1 2026.

Millennium Management held 369,303 shares of SI-BONE Inc worth $4.66M as of Q1 2026.
Millennium Management bought 261,876 SI-BONE Inc shares in Q1 2026, an estimated $4.1M.
SI-BONE Inc made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #3024 holding.
Millennium Management first reported a position in SI-BONE Inc in Q4 2018 and has held it in 26 quarters since.
Millennium Management's SI-BONE Inc position peaked at $55.5M in Q2 2023.
180 funds tracked by Wall St. Rank held SI-BONE Inc as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.