Mariner
ONON icon

Mariner’s On Holding ONON Stock Holding History

Mariner’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
Q1 		$1.81M Sell
53,272
-1,315
-2% -$57.4K ﹤0.01% 1574
2025
Q4 		$2.54M Buy
54,587
+6,025
+12% +$260K ﹤0.01% 1361
2025
Q3 		$2.06M Buy
48,562
+4,103
+9% +$195K ﹤0.01% 1414
2025
Q2 		$2.31M Buy
44,459
+1,621
+4% +$82.6K ﹤0.01% 1246
2025
Q1 		$1.88M Buy
42,838
+1,232
+3% +$64.8K ﹤0.01% 1278
2024
Q4 		$2.28M Sell
41,606
-623
-1% -$33K ﹤0.01% 1147
2024
Q3 		$2.12M Sell
42,229
-1,183
-3% -$50.8K ﹤0.01% 1157
2024
Q2 		$1.68M Sell
43,412
-4,611
-10% -$168K ﹤0.01% 1198
2024
Q1 		$1.7M Sell
48,023
-4,368
-8% -$133K ﹤0.01% 1200
2023
Q4 		$1.41M Sell
52,391
-10,923
-17% -$298K ﹤0.01% 1225
2023
Q3 		$1.76M Buy
63,314
+14,957
+31% +$473K ﹤0.01% 1027
2023
Q2 		$1.6M Buy
+48,357
New +$1.47M ﹤0.01% 1064

Other funds holding ONON

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PPI
Platinum Paramount Investment Nassau $689M AUM
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
SIIL
Sinvest Investments II Ltd Nassau, New Providence $286M AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
ICP
Ilex Capital Partners London, United Kingdom $4.06B AUM 6.11% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Mariner's ONON Position: Q1 2026 in Review

Mariner reduced its On Holding (ONON) stake by 2.4% in Q1 2026, selling an estimated $57.4K and leaving 53,272 shares worth $1.81M. The position accounts for ﹤0.01% of the portfolio, ranked #1574.

Mariner first reported a position in ONON in Q2 2023 and has held it in 12 quarters since. The position peaked at $2.54M in Q4 2025. 493 funds tracked by Wall St. Rank hold ONON as of Q1 2026.

  • Mariner held 53,272 shares of On Holding worth $1.81M as of Q1 2026.
  • Mariner sold 1,315 On Holding shares in Q1 2026, an estimated $57.4K.
  • On Holding made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1574 holding.
  • Mariner first reported a position in On Holding in Q2 2023 and has held it in 12 quarters since.
  • Mariner's On Holding position peaked at $2.54M in Q4 2025.
  • 493 funds tracked by Wall St. Rank held On Holding as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.