William Blair & Company
GRAL

William Blair & Company’s GRAIL Inc GRAL Stock Holding History

William Blair & Company’s Portfolio GRAL Stock Details GRAL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$468K Buy
6,860
+484
+8% +$28.5K ﹤0.01% 1260
2026
Q1 		$330K Buy
6,376
+1,020
+19% +$79K ﹤0.01% 1297
2025
Q4 		$458K Hold
5,356
– – ﹤0.01% 1177
2025
Q3 		$317K Buy
5,356
+268
+5% +$10.2K ﹤0.01% 1285
2025
Q2 		$262K Buy
+5,088
New +$184K ﹤0.01% 1309

Other funds holding GRAL

FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
APCM
Arbiter Partners Capital Management New York $197M AUM 47.99% 1-Year Est. Return

William Blair & Company's GRAL Position: Q2 2026 in Review

William Blair & Company increased its GRAIL Inc (GRAL) stake by 7.6% in Q2 2026, buying an estimated $28.5K and bringing the position to 6,860 shares worth $468K. The position accounts for ﹤0.01% of the portfolio, ranked #1260.

William Blair & Company first reported a position in GRAL in Q2 2025 and has held it in 5 quarters since. 375 funds tracked by Wall St. Rank hold GRAL as of Q2 2026.

  • William Blair & Company held 6,860 shares of GRAIL Inc worth $468K as of Q2 2026.
  • William Blair & Company bought 484 GRAIL Inc shares in Q2 2026, an estimated $28.5K.
  • GRAIL Inc made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1260 holding.
  • William Blair & Company first reported a position in GRAIL Inc in Q2 2025 and has held it in 5 quarters since.
  • 375 funds tracked by Wall St. Rank held GRAIL Inc as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.