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 		$1.17M Sell
33,200
-50,500
-60% -$2.22M ﹤0.01% 2326
2025
Q4 		$4.1M Buy
83,700
+64,200
+329% +$2.7M ﹤0.01% 1440
2025
Q3 		$939K Sell
19,500
-1,100
-5% -$41.4K ﹤0.01% 3124
2025
Q2 		$629K Sell
20,600
-2,800
-12% -$75.2K ﹤0.01% 3265
2025
Q1 		$622K Sell
23,400
-6,000
-20% -$180K ﹤0.01% 3157
2024
Q4 		$986K Buy
29,400
+4,000
+16% +$177K ﹤0.01% 2852
2024
Q3 		$1.14M Buy
25,400
+15,300
+151% +$517K ﹤0.01% 2812
2024
Q2 		$210K Sell
10,100
-3,100
-23% -$46.3K ﹤0.01% 4599
2024
Q1 		$174K Sell
13,200
-84,400
-86% -$900K ﹤0.01% 5010
2023
Q4 		$1.09M Buy
97,600
+88,300
+949% +$1.05M ﹤0.01% 2928
2023
Q3 		$133K Sell
9,300
-2,800
-23% -$49K ﹤0.01% 4802
2023
Q2 		$230K Buy
12,100
+5,800
+92% +$128K ﹤0.01% 4144
2023
Q1 		$133K Sell
6,300
-13,100
-68% -$223K ﹤0.01% 4824
2022
Q4 		$286K Sell
19,400
-10,100
-34% -$121K ﹤0.01% 3798
2022
Q3 		$356K Buy
29,500
+28,900
+4,817% +$234K ﹤0.01% 3874
2022
Q2 		$4K Buy
600
+400
+200% +$2.7K ﹤0.01% 8973
2022
Q1 		$1K Sell
200
-1,700
-89% -$13.1K ﹤0.01% 10080
2021
Q4 		$16K Sell
1,900
-35,400
-95% -$350K ﹤0.01% 8611
2021
Q3 		$339K Hold
37,300
– – ﹤0.01% 4703
2021
Q2 		$346K Buy
37,300
+36,812
+7,543% +$314K ﹤0.01% 4741
2021
Q1 		$329K Buy
488
+216
+79% +$1.77K ﹤0.01% 4026
2020
Q4 		$186K Buy
272
+33
+14% +$186 ﹤0.01% 4708
2020
Q3 		$133K Buy
239
+237
+11,850% +$1.42K ﹤0.01% 4587
2020
Q2 		$1K Buy
+2
New +$10 ﹤0.01% 7369
2020
Q1 		– Sell
-152
Closed -$118K – 7859
2019
Q4 		$118K Buy
152
+138
+986% +$799 ﹤0.01% 4339
2019
Q3 		$7K Sell
14
-738
-98% -$4.83K ﹤0.01% 6444
2019
Q2 		$654K Buy
752
+742
+7,420% +$4.09K ﹤0.01% 2325
2019
Q1 		$4K Buy
+10
New +$60 ﹤0.01% 6562

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.