Wellington Management Group
SIBN icon

Wellington Management Group’s SI-BONE Inc SIBN Stock Holding History

Wellington Management Group’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 		$12.1M Sell
742,857
-29,755
-4% -$425K ﹤0.01% 1240
2026
Q1 		$9.76M Sell
772,612
-49,873
-6% -$780K ﹤0.01% 1244
2025
Q4 		$16.2M Sell
822,485
-30,781
-4% -$535K ﹤0.01% 1116
2025
Q3 		$12.6M Buy
853,266
+364,897
+75% +$5.96M ﹤0.01% 1194
2025
Q2 		$9.19M Sell
488,369
-5,384
-1% -$89.3K ﹤0.01% 1231
2025
Q1 		$6.93M Sell
493,753
-10,934
-2% -$176K ﹤0.01% 1291
2024
Q4 		$7.08M Sell
504,687
-523,551
-51% -$7.04M ﹤0.01% 1275
2024
Q3 		$14.4M Buy
1,028,238
+35,220
+4% +$530K ﹤0.01% 1066
2024
Q2 		$12.8M Buy
993,018
+9,676
+1% +$138K ﹤0.01% 1090
2024
Q1 		$16.1M Buy
983,342
+166,294
+20% +$3.13M ﹤0.01% 997
2023
Q4 		$17.1M Buy
817,048
+211,209
+35% +$3.91M ﹤0.01% 976
2023
Q3 		$12.9M Buy
605,839
+31,051
+5% +$719K ﹤0.01% 1036
2023
Q2 		$15.5M Sell
574,788
-19,142
-3% -$467K ﹤0.01% 1004
2023
Q1 		$11.7M Sell
593,930
-6,573
-1% -$117K ﹤0.01% 1060
2022
Q4 		$8.17M Sell
600,503
-60,924
-9% -$888K ﹤0.01% 1138
2022
Q3 		$11.5M Buy
661,427
+1,326
+0.2% +$21.2K ﹤0.01% 1069
2022
Q2 		$8.71M Buy
660,101
+194,360
+42% +$3.24M ﹤0.01% 1157
2022
Q1 		$10.5M Buy
465,741
+132,731
+40% +$2.75M ﹤0.01% 1183
2021
Q4 		$7.4M Buy
333,010
+6,192
+2% +$133K ﹤0.01% 1353
2021
Q3 		$7M Sell
326,818
-1,827
-0.6% -$46.2K ﹤0.01% 1400
2021
Q2 		$10.3M Buy
328,645
+100,459
+44% +$3.25M ﹤0.01% 1262
2021
Q1 		$7.26M Buy
228,186
+180,330
+377% +$5.55M ﹤0.01% 1332
2020
Q4 		$1.43M Buy
+47,856
New +$1.17M ﹤0.01% 1553

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

Wellington Management Group's SIBN Position: Q2 2026 in Review

Wellington Management Group reduced its SI-BONE Inc (SIBN) stake by 3.9% in Q2 2026, selling an estimated $425K and leaving 742,857 shares worth $12.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1240.

Wellington Management Group first reported a position in SIBN in Q4 2020 and has held it in 23 quarters since. The position peaked at $17.1M in Q4 2023. 168 funds tracked by Wall St. Rank hold SIBN as of Q2 2026.

  • Wellington Management Group held 742,857 shares of SI-BONE Inc worth $12.1M as of Q2 2026.
  • Wellington Management Group sold 29,755 SI-BONE Inc shares in Q2 2026, an estimated $425K.
  • SI-BONE Inc made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1240 holding.
  • Wellington Management Group first reported a position in SI-BONE Inc in Q4 2020 and has held it in 23 quarters since.
  • Wellington Management Group's SI-BONE Inc position peaked at $17.1M in Q4 2023.
  • 168 funds tracked by Wall St. Rank held SI-BONE Inc as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.