Costello Asset Management’s Matinas BioPharma MTNB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$122 Hold
200
﹤0.01% 706
2026
Q1
$100 Hold
200
﹤0.01% 682
2025
Q4
$117 Hold
200
﹤0.01% 689
2025
Q3
$378 Hold
200
﹤0.01% 652
2025
Q2
$178 Hold
200
﹤0.01% 681
2025
Q1
$104 Buy
+200
New +$118 ﹤0.01% 679

Other funds holding MTNB

Costello Asset Management's MTNB Position: Q2 2026 in Review

Costello Asset Management held its Matinas BioPharma (MTNB) position steady in Q2 2026 at 200 shares worth $122. The position accounts for ﹤0.01% of the portfolio, ranked #706.

Costello Asset Management first reported a position in MTNB in Q1 2025 and has held it in 6 quarters since. The position peaked at $378 in Q3 2025. 25 funds tracked by Wall St. Rank hold MTNB as of Q2 2026.

  • Costello Asset Management held 200 shares of Matinas BioPharma worth $122 as of Q2 2026.
  • Costello Asset Management left its Matinas BioPharma share count unchanged in Q2 2026.
  • Matinas BioPharma made up ﹤0.01% of Costello Asset Management's portfolio in Q2 2026, its #706 holding.
  • Costello Asset Management first reported a position in Matinas BioPharma in Q1 2025 and has held it in 6 quarters since.
  • Costello Asset Management's Matinas BioPharma position peaked at $378 in Q3 2025.
  • 25 funds tracked by Wall St. Rank held Matinas BioPharma as of Q2 2026.

Based on Costello Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.