Jane Street
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Jane Street’s Harrow HROW Stock Holding History

Jane Street’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
Q1 		$4.64M Buy
131,700
+80,600
+158% +$3.54M ﹤0.01% 3635
2025
Q4 		$2.5M Sell
51,100
-100
-0.2% -$4.2K ﹤0.01% 4389
2025
Q3 		$2.47M Buy
51,200
+21,900
+75% +$825K ﹤0.01% 4552
2025
Q2 		$895K Buy
29,300
+8,900
+44% +$239K ﹤0.01% 5822
2025
Q1 		$543K Sell
20,400
-43,300
-68% -$1.3M ﹤0.01% 6710
2024
Q4 		$2.14M Buy
63,700
+11,100
+21% +$491K ﹤0.01% 3997
2024
Q3 		$2.36M Buy
+52,600
New +$1.78M ﹤0.01% 4127
2024
Q2 		– Sell
-14,800
Closed -$196K – 9723
2024
Q1 		$196K Sell
14,800
-111,100
-88% -$1.18M ﹤0.01% 8197
2023
Q4 		$1.41M Sell
125,900
-8,800
-7% -$104K ﹤0.01% 4931
2023
Q3 		$1.94M Sell
134,700
-74,600
-36% -$1.3M ﹤0.01% 4106
2023
Q2 		$3.99M Buy
209,300
+101,100
+93% +$2.22M ﹤0.01% 3061
2023
Q1 		$2.29M Buy
+108,200
New +$1.85M ﹤0.01% 3585

Other funds holding HROW

OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCMF
Private Capital Management (Florida) Naples, Florida $1B AUM 15.98% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LCG
Luxor Capital Group New York $1.43B AUM 30.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $1.23B AUM 600.17% 1-Year Est. Return

Jane Street's HROW Position: Q1 2026 in Review

Jane Street sold out of Harrow (HROW) in Q1 2026, closing a stake of 239,265 shares — an estimated $10.5M sold.

Jane Street first reported a position in HROW in Q1 2014 and held it in 19 quarters. The position peaked at $11.7M in Q4 2025. 218 funds tracked by Wall St. Rank hold HROW as of Q1 2026.

  • Jane Street reported no remaining Harrow position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 239,265 Harrow shares in Q1 2026, an estimated $10.5M.
  • Jane Street first reported a position in Harrow in Q1 2014 and held it in 19 quarters.
  • Jane Street's Harrow position peaked at $11.7M in Q4 2025.
  • 218 funds tracked by Wall St. Rank held Harrow as of Q1 2026.

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