Mariner’s Baron First Principles ETF RONB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$426K Buy
17,450
+6,080
+53% +$144K ﹤0.01% 2568
2026
Q1
$260K Buy
+11,370
New +$274K ﹤0.01% 3000

Other funds holding RONB

Mariner's RONB Position: Q2 2026 in Review

Mariner increased its Baron First Principles ETF (RONB) stake by 53% in Q2 2026, buying an estimated $144K and bringing the position to 17,450 shares worth $426K. The position accounts for ﹤0.01% of the portfolio, ranked #2568.

Mariner first reported a position in RONB in Q1 2026 and has held it in 2 quarters since. 90 funds tracked by Wall St. Rank hold RONB as of Q2 2026.

  • Mariner held 17,450 shares of Baron First Principles ETF worth $426K as of Q2 2026.
  • Mariner bought 6,080 Baron First Principles ETF shares in Q2 2026, an estimated $144K.
  • Baron First Principles ETF made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2568 holding.
  • Mariner first reported a position in Baron First Principles ETF in Q1 2026 and has held it in 2 quarters since.
  • 90 funds tracked by Wall St. Rank held Baron First Principles ETF as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.