Jane Street’s F/m Ultrashort Tax-Free Municipal ETF ZMUN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$378K Buy
7,538
+1,743
+30% +$87.4K ﹤0.01% 8698
2025
Q4
$290K Sell
5,795
-8,778
-60% -$440K ﹤0.01% 8909
2025
Q3
$730K Buy
+14,573
New +$730K ﹤0.01% 6998

Other funds holding ZMUN

Jane Street's ZMUN Position: Q1 2026 in Review

Jane Street increased its F/m Ultrashort Tax-Free Municipal ETF (ZMUN) stake by 30% in Q1 2026, buying an estimated $87.4K and bringing the position to 7,538 shares worth $378K. The position accounts for ﹤0.01% of the portfolio, ranked #8698.

Jane Street first reported a position in ZMUN in Q3 2025 and has held it in 3 quarters since. The position peaked at $730K in Q3 2025. 8 funds tracked by Wall St. Rank hold ZMUN as of Q1 2026.

  • Jane Street held 7,538 shares of F/m Ultrashort Tax-Free Municipal ETF worth $378K as of Q1 2026.
  • Jane Street bought 1,743 F/m Ultrashort Tax-Free Municipal ETF shares in Q1 2026, an estimated $87.4K.
  • F/m Ultrashort Tax-Free Municipal ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8698 holding.
  • Jane Street first reported a position in F/m Ultrashort Tax-Free Municipal ETF in Q3 2025 and has held it in 3 quarters since.
  • Jane Street's F/m Ultrashort Tax-Free Municipal ETF position peaked at $730K in Q3 2025.
  • 8 funds tracked by Wall St. Rank held F/m Ultrashort Tax-Free Municipal ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.