Brown Advisory
SIBN icon

Brown Advisory’s SI-BONE Inc SIBN Stock Holding History

Brown Advisory’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 		$33.9M Sell
2,077,134
-45,198
-2% -$646K 0.05% 263
2026
Q1 		$26.8M Sell
2,122,332
-339,470
-14% -$5.31M 0.04% 278
2025
Q4 		$48.5M Sell
2,461,802
-311,365
-11% -$5.41M 0.07% 207
2025
Q3 		$40.8M Sell
2,773,167
-139,809
-5% -$2.28M 0.05% 235
2025
Q2 		$54.8M Sell
2,912,976
-274,422
-9% -$4.55M 0.07% 189
2025
Q1 		$44.7M Sell
3,187,398
-453,047
-12% -$7.31M 0.06% 198
2024
Q4 		$51M Sell
3,640,445
-363,303
-9% -$4.89M 0.06% 203
2024
Q3 		$56M Sell
4,003,748
-143,013
-3% -$2.15M 0.07% 203
2024
Q2 		$53.6M Sell
4,146,761
-76,581
-2% -$1.09M 0.07% 195
2024
Q1 		$69.1M Buy
4,223,342
+15,639
+0.4% +$295K 0.09% 164
2023
Q4 		$88.3M Buy
4,207,703
+214,089
+5% +$3.96M 0.12% 137
2023
Q3 		$84.8M Buy
3,993,614
+41,731
+1% +$967K 0.14% 131
2023
Q2 		$107M Sell
3,951,883
-2,318
-0.1% -$56.5K 0.17% 115
2023
Q1 		$77.8M Buy
3,954,201
+62,566
+2% +$1.11M 0.13% 147
2022
Q4 		$52.9M Buy
3,891,635
+159,529
+4% +$2.33M 0.1% 179
2022
Q3 		$65.2M Buy
3,732,106
+30,308
+0.8% +$485K 0.13% 146
2022
Q2 		$48.9M Buy
3,701,798
+411,198
+12% +$6.85M 0.09% 175
2022
Q1 		$74.4M Buy
3,290,600
+199,814
+6% +$4.15M 0.11% 147
2021
Q4 		$68.6M Buy
3,090,786
+825,476
+36% +$17.8M 0.09% 169
2021
Q3 		$48.5M Buy
2,265,310
+971,185
+75% +$24.6M 0.07% 193
2021
Q2 		$40.7M Buy
1,294,125
+482,192
+59% +$15.6M 0.06% 224
2021
Q1 		$25.8M Buy
+811,933
New +$25M 0.04% 254

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
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Brown Advisory's SIBN Position: Q2 2026 in Review

Brown Advisory reduced its SI-BONE Inc (SIBN) stake by 2.1% in Q2 2026, selling an estimated $646K and leaving 2,077,134 shares worth $33.9M. The position accounts for 0.05% of the portfolio, ranked #263.

Brown Advisory first reported a position in SIBN in Q1 2021 and has held it in 22 quarters since. The position peaked at $107M in Q2 2023. 168 funds tracked by Wall St. Rank hold SIBN as of Q2 2026.

  • Brown Advisory held 2,077,134 shares of SI-BONE Inc worth $33.9M as of Q2 2026.
  • Brown Advisory sold 45,198 SI-BONE Inc shares in Q2 2026, an estimated $646K.
  • SI-BONE Inc made up 0.05% of Brown Advisory's portfolio in Q2 2026, its #263 holding.
  • Brown Advisory first reported a position in SI-BONE Inc in Q1 2021 and has held it in 22 quarters since.
  • Brown Advisory's SI-BONE Inc position peaked at $107M in Q2 2023.
  • 168 funds tracked by Wall St. Rank held SI-BONE Inc as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.