Simplex Trading
HROW icon

Simplex Trading’s Harrow HROW Stock Holding History

Simplex Trading’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 		$617K Sell
17,500
-1,900
-10% -$83.5K ﹤0.01% 3031
2025
Q4 		$951K Sell
19,400
-1,800
-8% -$75.6K ﹤0.01% 2666
2025
Q3 		$1.02M Buy
21,200
+1,100
+5% +$41.4K ﹤0.01% 3023
2025
Q2 		$613K Sell
20,100
-47,500
-70% -$1.28M ﹤0.01% 3290
2025
Q1 		$1.8M Buy
67,600
+18,600
+38% +$557K ﹤0.01% 2138
2024
Q4 		$1.64M Sell
49,000
-11,100
-18% -$491K ﹤0.01% 2369
2024
Q3 		$2.7M Sell
60,100
-38,800
-39% -$1.31M ﹤0.01% 2011
2024
Q2 		$2.07M Buy
98,900
+34,700
+54% +$519K ﹤0.01% 2168
2024
Q1 		$849K Buy
64,200
+11,100
+21% +$118K ﹤0.01% 3293
2023
Q4 		$594K Buy
53,100
+44,600
+525% +$528K ﹤0.01% 3511
2023
Q3 		$122K Sell
8,500
-7,400
-47% -$129K ﹤0.01% 4891
2023
Q2 		$302K Buy
+15,900
New +$350K ﹤0.01% 3838
2023
Q1 		– Sell
-24,500
Closed -$361K – 9467
2022
Q4 		$361K Sell
24,500
-3,700
-13% -$44.2K ﹤0.01% 3531
2022
Q3 		$340K Buy
28,200
+5,000
+22% +$40.6K ﹤0.01% 3924
2022
Q2 		$168K Sell
23,200
-4,000
-15% -$27K ﹤0.01% 4838
2022
Q1 		$185K Buy
+27,200
New +$210K ﹤0.01% 5270
2021
Q4 		– Sell
-17,400
Closed -$158K – 10857
2021
Q3 		$158K Hold
17,400
– – ﹤0.01% 5969
2021
Q2 		$161K Buy
17,400
+17,019
+4,467% +$145K ﹤0.01% 6034
2021
Q1 		$257K Buy
+381
New +$3.12K ﹤0.01% 4345
2020
Q3 		– Sell
-64
Closed -$33K – 8074
2020
Q2 		$33K Buy
64
+48
+300% +$236 ﹤0.01% 5846
2020
Q1 		$6K Sell
16
-292
-95% -$1.73K ﹤0.01% 6745
2019
Q4 		$239K Sell
308
-729
-70% -$4.22K ﹤0.01% 3557
2019
Q3 		$582K Sell
1,037
-149
-13% -$976 ﹤0.01% 2453
2019
Q2 		$1.03M Buy
+1,186
New +$6.54K ﹤0.01% 1865

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

Simplex Trading's HROW Position: Q1 2026 in Review

Simplex Trading opened a new position in Harrow (HROW) in Q1 2026: 19,608 shares worth $691K. The stake represents ﹤0.01% of the portfolio and ranks #2902 among its holdings. This is a return to the name: Simplex Trading previously reported a position in HROW as recently as Q3 2025.

Simplex Trading first reported a position in HROW in Q3 2019 and has held it in 15 quarters since. The position peaked at $1.94M in Q3 2025. 218 funds tracked by Wall St. Rank hold HROW as of Q1 2026.

  • Simplex Trading held 19,608 shares of Harrow worth $691K as of Q1 2026.
  • Harrow was a new Simplex Trading position in Q1 2026.
  • Harrow made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2902 holding.
  • Simplex Trading first reported a position in Harrow in Q3 2019 and has held it in 15 quarters since.
  • Simplex Trading's Harrow position peaked at $1.94M in Q3 2025.
  • 218 funds tracked by Wall St. Rank held Harrow as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.