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Portolan Capital Management’s On Holding ONON Stock Holding History

Portolan Capital Management’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 		$15.6M Buy
441,137
+238,693
+118% +$8.72M 0.59% 58
2026
Q1 		$6.89M Buy
+202,444
New +$8.84M 0.37% 79

Other funds holding ONON

Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return
PPI
Platinum Paramount Investment Nassau $704M AUM
SIIL
Sinvest Investments II Ltd Nassau, New Providence $298M AUM
Sands Capital Management
Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Portolan Capital Management's ONON Position: Q2 2026 in Review

Portolan Capital Management increased its On Holding (ONON) stake by 118% in Q2 2026, buying an estimated $8.72M and bringing the position to 441,137 shares worth $15.6M. The position accounts for 0.59% of the portfolio, ranked #58.

Portolan Capital Management first reported a position in ONON in Q1 2026 and has held it in 2 quarters since. 491 funds tracked by Wall St. Rank hold ONON as of Q2 2026.

  • Portolan Capital Management held 441,137 shares of On Holding worth $15.6M as of Q2 2026.
  • Portolan Capital Management bought 238,693 On Holding shares in Q2 2026, an estimated $8.72M.
  • On Holding made up 0.59% of Portolan Capital Management's portfolio in Q2 2026, its #58 holding.
  • Portolan Capital Management first reported a position in On Holding in Q1 2026 and has held it in 2 quarters since.
  • 491 funds tracked by Wall St. Rank held On Holding as of Q2 2026.

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