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156 hedge funds and large institutions have $551M invested in Harrow in 2025 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 51 increasing their positions, 59 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.34% less ownership

Funds ownership: 58.49%58.15% (-0.34%)

5% less funds holding

Funds holding: 165156 (-9)

14% less repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 59

21% less capital invested

Capital invested by funds: $699M → $551M (-$148M)

27% less first-time investments, than exits

New positions opened: 22 | Existing positions closed: 30

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

48% less call options, than puts

Call options by funds: $11.9M | Put options by funds: $22.7M

Holders
156
Holders Change
-9
Holders Change %
-5.45%
% of All Funds
2.09%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
22
Increased
51
Reduced
59
Closed
30
Calls
$11.9M
Puts
$22.7M
Net Calls
-$10.8M
Net Calls Change
+$9.84M

HROW Hedge Fund Activity: Q1 2025 in Review

156 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Harrow (HROW) for Q1 2025, worth a combined $551M — down 21% from $699M a quarter earlier.

Sellers outnumbered buyers: 30 funds closed out of HROW and 22 opened new positions — a net loss of 8 holders — while 59 trimmed existing stakes and 51 added.

The largest buyer was Marshall Wace, opening a new position worth an estimated $12.9M. The largest seller was Gilder Gagnon Howe & Co, exiting entirely with an estimated $6.91M sold.

  • 156 institutional investors held Harrow (HROW) as of Q1 2025, down from 165 in Q4 2024.
  • Funds reported $551M of Harrow stock for Q1 2025, down 21% quarter-over-quarter.
  • 22 funds opened new Harrow positions in Q1 2025 and 30 closed out, a net change of -8 holders.
  • The largest Harrow buyer in Q1 2025 was Marshall Wace, an estimated $12.9M added.
  • The largest Harrow seller in Q1 2025 was Gilder Gagnon Howe & Co, an estimated $6.91M sold.

Based on aggregated 13F filings for Q1 2025.