Mariner
HROW icon

Mariner’s Harrow HROW Stock Holding History

Mariner’s Portfolio HROW Stock Details HROW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$339K Buy
+7,979
New +$297K ﹤0.01% 2747
2026
Q1 		– Sell
-12,235
Closed -$600K – 3678
2025
Q4 		$600K Buy
+12,235
New +$514K ﹤0.01% 2327

Other funds holding HROW

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
PCMF
Private Capital Management (Florida) Naples, Florida $1.14B AUM 34.86% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM

Mariner's HROW Position: Q2 2026 in Review

Mariner opened a new position in Harrow (HROW) in Q2 2026: 7,979 shares worth $339K. The stake represents ﹤0.01% of the portfolio and ranks #2747 among its holdings. This is a return to the name: Mariner previously reported a position in HROW as recently as Q4 2025.

Mariner first reported a position in HROW in Q4 2025 and has held it in 2 quarters since. The position peaked at $600K in Q4 2025. 223 funds tracked by Wall St. Rank hold HROW as of Q2 2026.

  • Mariner held 7,979 shares of Harrow worth $339K as of Q2 2026.
  • Harrow was a new Mariner position in Q2 2026.
  • Harrow made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2747 holding.
  • Mariner first reported a position in Harrow in Q4 2025 and has held it in 2 quarters since.
  • Mariner's Harrow position peaked at $600K in Q4 2025.
  • 223 funds tracked by Wall St. Rank held Harrow as of Q2 2026.

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