Banco Santander’s On Holding ONON Stock Holding History

Banco Santander’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	$986K	Sell	27,830 -5,662	-17%	-$207K	0.01%	354
2026 Q1	$1.14M	Buy	33,492 +13,912	+71%	+$607K	0.01%	326
2025 Q4	$910K	Sell	19,580 -1,250	-6%	-$53.9K	0.01%	331
2025 Q3	$882K	Buy	20,830 +6,400	+44%	+$305K	0.01%	331
2025 Q2	$751K	Buy	+14,430	New	+$735K	0.01%	352

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

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 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

Banco Santander's ONON Position: Q2 2026 in Review

Banco Santander reduced its On Holding (ONON) stake by 17% in Q2 2026, selling an estimated $207K and leaving 27,830 shares worth $986K. The position accounts for 0.01% of the portfolio, ranked #354.

Banco Santander first reported a position in ONON in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.14M in Q1 2026. 491 funds tracked by Wall St. Rank hold ONON as of Q2 2026.

Banco Santander held 27,830 shares of On Holding worth $986K as of Q2 2026.
Banco Santander sold 5,662 On Holding shares in Q2 2026, an estimated $207K.
On Holding made up 0.01% of Banco Santander's portfolio in Q2 2026, its #354 holding.
Banco Santander first reported a position in On Holding in Q2 2025 and has held it in 5 quarters since.
Banco Santander's On Holding position peaked at $1.14M in Q1 2026.
491 funds tracked by Wall St. Rank held On Holding as of Q2 2026.

Based on Banco Santander's 13F filing for Q2 2026, filed 29 Jul 2026.