Two Sigma Investments
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Two Sigma Investments’s SI-BONE Inc SIBN Stock Holding History

Two Sigma Investments’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 		– Sell
-58,147
Closed -$734K – 5391
2026
Q1 		$734K Sell
58,147
-192,769
-77% -$3.02M ﹤0.01% 3467
2025
Q4 		$4.95M Buy
250,916
+35,445
+16% +$616K 0.01% 1732
2025
Q3 		$3.17M Buy
215,471
+29,304
+16% +$478K ﹤0.01% 1808
2025
Q2 		$3.5M Buy
186,167
+68,125
+58% +$1.13M 0.01% 1461
2025
Q1 		$1.66M Buy
118,042
+48,292
+69% +$779K ﹤0.01% 1865
2024
Q4 		$978K Sell
69,750
-66,105
-49% -$889K ﹤0.01% 2194
2024
Q3 		$1.9M Sell
135,855
-96,010
-41% -$1.44M ﹤0.01% 1715
2024
Q2 		$3M Sell
231,865
-83,413
-26% -$1.19M 0.01% 1284
2024
Q1 		$5.16M Buy
315,278
+24,489
+8% +$461K 0.01% 953
2023
Q4 		$6.1M Buy
290,789
+3,480
+1% +$64.4K 0.01% 883
2023
Q3 		$6.1M Sell
287,309
-96,575
-25% -$2.24M 0.02% 802
2023
Q2 		$10.4M Buy
383,884
+336,951
+718% +$8.22M 0.03% 633
2023
Q1 		$923K Buy
+46,933
New +$834K ﹤0.01% 1915
2022
Q3 		– Sell
-18,589
Closed -$245K – 2785
2022
Q2 		$245K Buy
+18,589
New +$310K ﹤0.01% 2092
2021
Q4 		– Sell
-61,189
Closed -$1.31M – 4829
2021
Q3 		$1.31M Sell
61,189
-177,954
-74% -$4.5M ﹤0.01% 2369
2021
Q2 		$7.53M Buy
239,143
+112,147
+88% +$3.63M 0.02% 972
2021
Q1 		$4.04M Sell
126,996
-82,182
-39% -$2.53M 0.01% 1192
2020
Q4 		$6.25M Buy
209,178
+186,919
+840% +$4.55M 0.02% 805
2020
Q3 		$528K Sell
22,259
-9,498
-30% -$189K ﹤0.01% 2207
2020
Q2 		$506K Sell
31,757
-56,536
-64% -$891K ﹤0.01% 1989
2020
Q1 		$1.05M Buy
88,293
+54,519
+161% +$1M 0.01% 1368
2019
Q4 		$726K Buy
+33,774
New +$606K ﹤0.01% 2490

Other funds holding SIBN

FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
BlackRock
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
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Brown Advisory
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Impax Asset Management Group
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

Two Sigma Investments's SIBN Position: Q2 2026 in Review

Two Sigma Investments sold out of SI-BONE Inc (SIBN) in Q2 2026, closing a stake of 58,147 shares — an estimated $734K sold.

Two Sigma Investments first reported a position in SIBN in Q4 2019 and held it in 22 quarters. The position peaked at $10.4M in Q2 2023. 168 funds tracked by Wall St. Rank hold SIBN as of Q2 2026.

  • Two Sigma Investments reported no remaining SI-BONE Inc position as of Q2 2026 after selling out during the quarter.
  • Two Sigma Investments sold 58,147 SI-BONE Inc shares in Q2 2026, an estimated $734K.
  • Two Sigma Investments first reported a position in SI-BONE Inc in Q4 2019 and held it in 22 quarters.
  • Two Sigma Investments's SI-BONE Inc position peaked at $10.4M in Q2 2023.
  • 168 funds tracked by Wall St. Rank held SI-BONE Inc as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.