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 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 $1.12B AUM 114.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

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 London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return

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

Next Century Growth Investors's SIBN Position: Q1 2026 in Review

Next Century Growth Investors increased its SI-BONE Inc (SIBN) stake by 170% in Q1 2026, buying an estimated $3.79M and bringing the position to 383,958 shares worth $4.85M. The position accounts for 0.35% of the portfolio, ranked #83.

Next Century Growth Investors first reported a position in SIBN in Q4 2018 and has held it in 29 quarters since. The position peaked at $34.9M in Q2 2023. 180 funds tracked by Wall St. Rank hold SIBN as of Q1 2026.

Next Century Growth Investors held 383,958 shares of SI-BONE Inc worth $4.85M as of Q1 2026.
Next Century Growth Investors bought 241,960 SI-BONE Inc shares in Q1 2026, an estimated $3.79M.
SI-BONE Inc made up 0.35% of Next Century Growth Investors's portfolio in Q1 2026, its #83 holding.
Next Century Growth Investors first reported a position in SI-BONE Inc in Q4 2018 and has held it in 29 quarters since.
Next Century Growth Investors's SI-BONE Inc position peaked at $34.9M in Q2 2023.
180 funds tracked by Wall St. Rank held SI-BONE Inc as of Q1 2026.

Based on Next Century Growth Investors's 13F filing for Q1 2026, filed 14 May 2026.