Stephen Mandel’s On Holding ONON Stock Holding History

Stephen Mandel’s Portfolio ONON Stock Details ONON Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$470M	Buy	+13,280,030	New	+$485M	2.88%	21

Other funds holding ONON

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

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

PPI

Platinum Paramount Investment Nassau $704M AUM

SIIL

Sinvest Investments II Ltd Nassau, New Providence $298M AUM

Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

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

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Stephen Mandel's ONON Position: Q2 2026 in Review

Stephen Mandel opened a new position in On Holding (ONON) in Q2 2026: 13,280,030 shares worth $470M. The stake represents 2.88% of the portfolio and ranks #21 among its holdings.

489 funds tracked by Wall St. Rank hold ONON as of Q2 2026.

Stephen Mandel held 13,280,030 shares of On Holding worth $470M as of Q2 2026.
On Holding was a new Stephen Mandel position in Q2 2026.
On Holding made up 2.88% of Stephen Mandel's portfolio in Q2 2026, its #21 holding.
489 funds tracked by Wall St. Rank held On Holding as of Q2 2026.

Based on Lone Pine Capital's 13F filing for Q2 2026, filed 14 Aug 2026.