Granahan Investment Management’s Compass COMP Stock Holding History

Granahan Investment Management’s Portfolio COMP Stock Details COMP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-1,885,312	Closed	-$13.8M	–	152
2026 Q1	$13.8M	Sell	1,885,312 -1,250,911	-40%	-$13.1M	0.67%	43
2025 Q4	$33.1M	Sell	3,136,223 -1,670,091	-35%	-$15.2M	1.42%	22
2025 Q3	$38.6M	Buy	4,806,314 +347,143	+8%	+$2.81M	1.58%	20
2025 Q2	$28M	Sell	4,459,171 -941,067	-17%	-$6.45M	1.14%	23
2025 Q1	$47.1M	Buy	5,400,238 +1,371,389	+34%	+$10.9M	2.35%	8
2024 Q4	$23.6M	Sell	4,028,849 -248,794	-6%	-$1.58M	0.98%	33
2024 Q3	$26.1M	Sell	4,277,643 -587,824	-12%	-$2.89M	1.03%	25
2024 Q2	$17.5M	Sell	4,865,467 -1,533,933	-24%	-$5.62M	0.7%	39
2024 Q1	$23M	Buy	6,399,400 +4,373,820	+216%	+$15.5M	0.81%	35
2023 Q4	$7.62M	Buy	+2,025,580	New	+$5M	0.25%	104

Other funds holding COMP

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SIAU

SB Investment Advisers (UK) London, United Kingdom $7.66B AUM 20.12% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

CHP

Castle Hook Partners New York $21.8B AUM 215.45% 1-Year Est. Return

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

DCP

D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return

Granahan Investment Management's COMP Position: Q2 2026 in Review

Granahan Investment Management sold out of Compass (COMP) in Q2 2026, closing a stake of 1,885,312 shares — an estimated $13.8M sold.

Granahan Investment Management first reported a position in COMP in Q4 2023 and held it in 10 quarters. The position peaked at $47.1M in Q1 2025. 435 funds tracked by Wall St. Rank hold COMP as of Q2 2026.

Granahan Investment Management reported no remaining Compass position as of Q2 2026 after selling out during the quarter.
Granahan Investment Management sold 1,885,312 Compass shares in Q2 2026, an estimated $13.8M.
Granahan Investment Management first reported a position in Compass in Q4 2023 and held it in 10 quarters.
Granahan Investment Management's Compass position peaked at $47.1M in Q1 2025.
435 funds tracked by Wall St. Rank held Compass as of Q2 2026.

Based on Granahan Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.