K2 Principal Fund’s Opendoor OPEN Stock Holding History

K2 Principal Fund’s Portfolio OPEN Stock Details OPEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-559,157	Closed	-$3.26M	–	525
2025 Q4	$3.26M	Sell	559,157 -483,181	-46%	-$3.46M	0.26%	114
2025 Q3	$8.04M	Buy	+1,042,338	New	+$4.23M	0.65%	52
2020 Q3	–	Sell	-541,908	Closed	-$6.16M	–	278
2020 Q2	$6.16M	Buy	+541,908	New	+$5.95M	0.98%	25

Other funds holding OPEN

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Lennar Corp Miami, Florida $64M AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

K2 Principal Fund's OPEN Position: Q1 2026 in Review

K2 Principal Fund sold out of Opendoor (OPEN) in Q1 2026, closing a stake of 559,157 shares — an estimated $3.26M sold.

K2 Principal Fund first reported a position in OPEN in Q2 2020 and held it in 3 quarters. The position peaked at $8.04M in Q3 2025. 359 funds tracked by Wall St. Rank hold OPEN as of Q1 2026.

K2 Principal Fund reported no remaining Opendoor position as of Q1 2026 after selling out during the quarter.
K2 Principal Fund sold 559,157 Opendoor shares in Q1 2026, an estimated $3.26M.
K2 Principal Fund first reported a position in Opendoor in Q2 2020 and held it in 3 quarters.
K2 Principal Fund's Opendoor position peaked at $8.04M in Q3 2025.
359 funds tracked by Wall St. Rank held Opendoor as of Q1 2026.

Based on K2 Principal Fund's 13F filing for Q1 2026, filed 14 May 2026.