Next Century Growth Investors’s SI-BONE Inc SIBN Stock Holding History

Next Century Growth Investors’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	$9.55M	Buy	585,289 +201,331	+52%	+$2.88M	0.51%	64
2026 Q1	$4.85M	Buy	383,958 +241,960	+170%	+$3.79M	0.35%	83
2025 Q4	$2.8M	Buy	141,998 +118,657	+508%	+$2.06M	0.19%	105
2025 Q3	$344K	Sell	23,341 -233,004	-91%	-$3.8M	0.03%	123
2025 Q2	$4.82M	Buy	+256,345	New	+$4.25M	0.37%	89
2025 Q1	–	Sell	-1,295	Closed	-$18.2K	–	140
2024 Q4	$18.2K	Sell	1,295 -880,173	-100%	-$11.8M	﹤0.01%	130
2024 Q3	$12.3M	Buy	881,468 +36,047	+4%	+$542K	1%	38
2024 Q2	$10.9M	Sell	845,421 -224,745	-21%	-$3.21M	0.91%	39
2024 Q1	$17.5M	Sell	1,070,166 -328,247	-23%	-$6.18M	1.52%	22
2023 Q4	$29.4M	Buy	1,398,413 +26,339	+2%	+$487K	2.85%	8
2023 Q3	$29.1M	Buy	1,372,074 +77,727	+6%	+$1.8M	3.17%	5
2023 Q2	$34.9M	Buy	1,294,347 +157,628	+14%	+$3.84M	3.36%	6
2023 Q1	$22.4M	Buy	1,136,719 +220,268	+24%	+$3.91M	2.46%	12
2022 Q4	$12.5M	Buy	916,451 +66,083	+8%	+$963K	1.5%	22
2022 Q3	$14.8M	Buy	850,368 +131,506	+18%	+$2.1M	1.81%	18
2022 Q2	$9.49M	Buy	718,862 +21,405	+3%	+$357K	1.24%	31
2022 Q1	$15.8M	Buy	697,457 +83,536	+14%	+$1.73M	1.57%	22
2021 Q4	$13.6M	Buy	613,921 +381,371	+164%	+$8.21M	1.23%	27
2021 Q3	$4.98M	Sell	232,550 -662,842	-74%	-$16.8M	0.43%	75
2021 Q2	$28.2M	Sell	895,392 -116,780	-12%	-$3.78M	2.2%	11
2021 Q1	$32.2M	Sell	1,012,172 -24,471	-2%	-$753K	2.45%	9
2020 Q4	$31M	Sell	1,036,643 -40,742	-4%	-$992K	2.61%	4
2020 Q3	$25.6M	Sell	1,077,385 -43,767	-4%	-$869K	2.66%	5
2020 Q2	$17.9M	Buy	1,121,152 +33,497	+3%	+$528K	2.03%	9
2020 Q1	$13M	Buy	1,087,655 +10,291	+1%	+$189K	2.11%	12
2019 Q4	$23.2M	Buy	1,077,364 +374,202	+53%	+$6.71M	3.01%	3
2019 Q3	$12.4M	Sell	703,162 -97,073	-12%	-$1.86M	2%	15
2019 Q2	$16.3M	Buy	800,235 +432,852	+118%	+$7.43M	2.03%	10
2019 Q1	$6.92M	Buy	367,383 +152,460	+71%	+$2.95M	0.92%	37
2018 Q4	$4.49M	Buy	+214,923	New	+$4.07M	0.64%	64

Other funds holding SIBN

FLAM

First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

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 Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

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

Next Century Growth Investors's SIBN Position: Q2 2026 in Review

Next Century Growth Investors increased its SI-BONE Inc (SIBN) stake by 52% in Q2 2026, buying an estimated $2.88M and bringing the position to 585,289 shares worth $9.55M. The position accounts for 0.51% of the portfolio, ranked #64.

Next Century Growth Investors first reported a position in SIBN in Q4 2018 and has held it in 30 quarters since. The position peaked at $34.9M in Q2 2023. 167 funds tracked by Wall St. Rank hold SIBN as of Q2 2026.

Next Century Growth Investors held 585,289 shares of SI-BONE Inc worth $9.55M as of Q2 2026.
Next Century Growth Investors bought 201,331 SI-BONE Inc shares in Q2 2026, an estimated $2.88M.
SI-BONE Inc made up 0.51% of Next Century Growth Investors's portfolio in Q2 2026, its #64 holding.
Next Century Growth Investors first reported a position in SI-BONE Inc in Q4 2018 and has held it in 30 quarters since.
Next Century Growth Investors's SI-BONE Inc position peaked at $34.9M in Q2 2023.
167 funds tracked by Wall St. Rank held SI-BONE Inc as of Q2 2026.

Based on Next Century Growth Investors's 13F filing for Q2 2026, filed 14 Aug 2026.