Group One Trading’s GRAIL Inc GRAL Stock Holding History

Group One Trading’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	$7.76M	Sell	113,700 -27,200	-19%	-$1.6M	0.01%	1110
2026 Q1	$7.28M	Sell	140,900 -41,900	-23%	-$3.25M	0.01%	1039
2025 Q4	$15.6M	Buy	182,800 +66,800	+58%	+$5.77M	0.03%	675
2025 Q3	$6.86M	Buy	116,000 +3,400	+3%	+$130K	0.01%	1203
2025 Q2	$5.79M	Sell	112,600 -28,400	-20%	-$1.03M	0.01%	1219
2025 Q1	$3.6M	Buy	141,000 +89,800	+175%	+$2.77M	0.01%	1336
2024 Q4	$914K	Buy	51,200 +50,200	+5,020%	+$816K	﹤0.01%	2652
2024 Q3	$13.8K	Buy	+1,000	New	+$15.2K	﹤0.01%	5446

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 New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

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

Group One Trading's GRAL Position: Q2 2026 in Review

Group One Trading opened a new position in GRAIL Inc (GRAL) in Q2 2026: 2,326 shares worth $159K. The stake represents ﹤0.01% of the portfolio and ranks #4476 among its holdings. This is a return to the name: Group One Trading previously reported a position in GRAL as recently as Q3 2025.

Group One Trading first reported a position in GRAL in Q3 2024 and has held it in 5 quarters since. The position peaked at $491K in Q3 2025. 375 funds tracked by Wall St. Rank hold GRAL as of Q2 2026.

Group One Trading held 2,326 shares of GRAIL Inc worth $159K as of Q2 2026.
GRAIL Inc was a new Group One Trading position in Q2 2026.
GRAIL Inc made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4476 holding.
Group One Trading first reported a position in GRAIL Inc in Q3 2024 and has held it in 5 quarters since.
Group One Trading's GRAIL Inc position peaked at $491K in Q3 2025.
375 funds tracked by Wall St. Rank held GRAIL Inc as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.