Ken Griffin
SIBN icon

Ken Griffin’s SI-BONE Inc SIBN Stock Holding History

Ken Griffin’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 		$496K Buy
39,300
+11,200
+40% +$175K ﹤0.01% 9332
2025
Q4 		$554K Sell
28,100
-19,100
-40% -$332K ﹤0.01% 8779
2025
Q3 		$695K Sell
47,200
-15,700
-25% -$256K ﹤0.01% 8353
2025
Q2 		$1.18M Buy
62,900
+17,200
+38% +$285K ﹤0.01% 6720
2025
Q1 		$641K Buy
45,700
+19,600
+75% +$316K ﹤0.01% 7927
2024
Q4 		$366K Buy
26,100
+9,700
+59% +$130K ﹤0.01% 9257
2024
Q3 		$229K Buy
16,400
+13,900
+556% +$209K ﹤0.01% 9866
2024
Q2 		$32.3K Buy
2,500
+400
+19% +$5.71K ﹤0.01% 12180
2024
Q1 		$34.4K Sell
2,100
-5,300
-72% -$99.8K ﹤0.01% 12553
2023
Q4 		$155K Sell
7,400
-1,400
-16% -$25.9K ﹤0.01% 10329
2023
Q3 		$187K Sell
8,800
-39,200
-82% -$908K ﹤0.01% 10022
2023
Q2 		$1.3M Sell
48,000
-2,200
-4% -$53.7K ﹤0.01% 5937
2023
Q1 		$987K Buy
50,200
+41,800
+498% +$742K ﹤0.01% 6808
2022
Q4 		$114K Buy
+8,400
New +$122K ﹤0.01% 11037
2022
Q2 		– Sell
-28,000
Closed -$633K – 13993
2022
Q1 		$633K Buy
28,000
+13,300
+90% +$276K ﹤0.01% 8823
2021
Q4 		$326K Sell
14,700
-3,400
-19% -$73.2K ﹤0.01% 10742
2021
Q3 		$388K Buy
18,100
+8,800
+95% +$223K ﹤0.01% 10485
2021
Q2 		$293K Sell
9,300
-6,100
-40% -$197K ﹤0.01% 11324
2021
Q1 		$490K Buy
+15,400
New +$474K ﹤0.01% 9719
2020
Q4 		– Sell
-10,100
Closed -$240K – 11470
2020
Q3 		$240K Buy
+10,100
New +$201K ﹤0.01% 8520

Other funds holding SIBN

FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $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 $4.68T AUM
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $15.4B AUM 26.43% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

Ken Griffin's SIBN Position: Q1 2026 in Review

Ken Griffin reduced its SI-BONE Inc (SIBN) stake by 39% in Q1 2026, selling an estimated $1.91M and leaving 188,226 shares worth $2.38M. The position accounts for ﹤0.01% of the portfolio, ranked #5728.

Ken Griffin first reported a position in SIBN in Q2 2019 and has held it in 28 quarters since. The position peaked at $7.52M in Q2 2025. 180 funds tracked by Wall St. Rank hold SIBN as of Q1 2026.

  • Ken Griffin held 188,226 shares of SI-BONE Inc worth $2.38M as of Q1 2026.
  • Ken Griffin sold 122,122 SI-BONE Inc shares in Q1 2026, an estimated $1.91M.
  • SI-BONE Inc made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5728 holding.
  • Ken Griffin first reported a position in SI-BONE Inc in Q2 2019 and has held it in 28 quarters since.
  • Ken Griffin's SI-BONE Inc position peaked at $7.52M in Q2 2025.
  • 180 funds tracked by Wall St. Rank held SI-BONE Inc as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.