William Blair Investment Management
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William Blair Investment Management’s SiTime SITM Stock Holding History

William Blair Investment Management’s Portfolio SITM Stock Details SITM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-83,323
Closed -$25.1M – 450
2025
Q3 		$25.1M Sell
83,323
-29,466
-26% -$6.83M 0.06% 260
2025
Q2 		$24M Buy
112,789
+4,469
+4% +$808K 0.06% 266
2025
Q1 		$16.6M Sell
108,320
-40,285
-27% -$7.73M 0.05% 308
2024
Q4 		$31.9M Sell
148,605
-23,710
-14% -$4.83M 0.08% 241
2024
Q3 		$29.6M Sell
172,315
-35,783
-17% -$5.12M 0.07% 243
2024
Q2 		$25.9M Buy
208,098
+79,648
+62% +$8.49M 0.07% 260
2024
Q1 		$12M Buy
128,450
+19,461
+18% +$2.05M 0.03% 322
2023
Q4 		$13.3M Buy
108,989
+39,504
+57% +$4.47M 0.04% 313
2023
Q3 		$7.94M Sell
69,485
-67,671
-49% -$8.34M 0.03% 321
2023
Q2 		$16.2M Buy
137,156
+1,625
+1% +$177K 0.05% 296
2023
Q1 		$19.3M Buy
135,531
+37,770
+39% +$4.64M 0.07% 283
2022
Q4 		$9.93M Buy
97,761
+29,493
+43% +$2.79M 0.04% 313
2022
Q3 		$5.38M Sell
68,268
-35,932
-34% -$4.63M 0.02% 325
2022
Q2 		$17M Buy
104,200
+20,408
+24% +$3.86M 0.06% 275
2022
Q1 		$20.8M Buy
83,792
+1,814
+2% +$393K 0.06% 281
2021
Q4 		$24M Sell
81,978
-57,394
-41% -$15M 0.06% 274
2021
Q3 		$28.5M Buy
139,372
+2,215
+2% +$395K 0.08% 273
2021
Q2 		$17.4M Sell
137,157
-5,536
-4% -$566K 0.05% 233
2021
Q1 		$14.1M Buy
142,693
+10,944
+8% +$1.28M 0.05% 252
2020
Q4 		$14.7M Sell
131,749
-192,859
-59% -$18.3M 0.05% 241
2020
Q3 		$27.3M Sell
324,608
-74,293
-19% -$4.63M 0.11% 162
2020
Q2 		$18.9M Buy
398,901
+95,905
+32% +$2.85M 0.08% 194
2020
Q1 		$6.6M Buy
+302,996
New +$7.42M 0.03% 272

Other funds holding SITM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
WRCM
Whale Rock Capital Management Boston, Massachusetts $7.74B AUM 180.85% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

William Blair Investment Management's SITM Position: Q4 2025 in Review

William Blair Investment Management sold out of SiTime (SITM) in Q4 2025, closing a stake of 83,323 shares — an estimated $25.1M sold.

William Blair Investment Management first reported a position in SITM in Q1 2020 and held it in 23 quarters. The position peaked at $31.9M in Q4 2024. 394 funds tracked by Wall St. Rank hold SITM as of Q4 2025.

  • William Blair Investment Management reported no remaining SiTime position as of Q4 2025 after selling out during the quarter.
  • William Blair Investment Management sold 83,323 SiTime shares in Q4 2025, an estimated $25.1M.
  • William Blair Investment Management first reported a position in SiTime in Q1 2020 and held it in 23 quarters.
  • William Blair Investment Management's SiTime position peaked at $31.9M in Q4 2024.
  • 394 funds tracked by Wall St. Rank held SiTime as of Q4 2025.

Based on William Blair Investment Management's 13F filing for Q4 2025, filed 9 Feb 2026.