Millennium Management
SIBN icon

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
2023
Q1 		– Sell
-80,000
Closed -$1.09M – 6809
2022
Q4 		$1.09M Buy
+80,000
New +$1.17M ﹤0.01% 4080
2022
Q3 		– Sell
-125,000
Closed -$1.65M – 7448
2022
Q2 		$1.65M Sell
125,000
-22,000
-15% -$366K ﹤0.01% 3902
2022
Q1 		$3.32M Buy
+147,000
New +$3.05M ﹤0.01% 3402

Other funds holding SIBN

FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Brown Advisory
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
Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return
N
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.