Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in HROW held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Opaleye Management Inc. | 2.8M | $99.9M | -27.5% | 7.598% | 13.15% |
| 2 | BlackRock, Inc. | 2.6M | $90.0M | -0.6% | 6.848% | 0.00% |
| 3 | Private Capital Management, LLC | 1.6M | $56.5M | -14.9% | 4.301% | 5.64% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.5M | $51.9M | +26.5% | 3.947% | 0.01% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.4M | $49.5M | — | 3.764% | 0.00% |
| 6 | Luxor Capital Group, LP | 1.1M | $39.5M | +22.0% | 3.003% | 7.51% |
| 7 | STATE STREET CORP | 855K | $30.1M | +9.1% | 2.294% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 852K | $30.0M | +8.5% | 2.286% | 0.00% |
| 9 | MARSHALL WACE, LLP | 645K | $22.7M | +222.0% | 1.730% | 0.02% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 580K | $20.4M | +56.4% | 1.555% | 0.00% |
| 11 | Ikarian Capital, LLC | 543K | $19.1M | -21.6% | 1.457% | 2.04% |
| 12 | Penn Capital Management Company, LLC | 408K | $14.4M | +4.0% | 1.094% | 1.12% |
| 13 | RICE HALL JAMES & ASSOCIATES, LLC | 368K | $13.0M | +1.7% | 0.988% | 0.72% |
| 14 | GOLDMAN SACHS GROUP INC | 342K | $12.0M | -6.8% | 0.917% | 0.00% |
| 15 | NORTHERN TRUST CORP | 297K | $10.5M | -1.3% | 0.796% | 0.00% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 289K | $10.2M | — | 0.775% | 0.00% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 271K | $9.5M | -0.8% | 0.726% | 0.00% |
| 18 | NEW YORK STATE COMMON RETIREMENT FUND | 269K | $9.5M | +6.6% | 0.720% | 0.01% |
| 19 | STIFEL FINANCIAL CORP | 235K | $8.3M | +10.4% | 0.630% | 0.01% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 228K | $8.0M | — | 0.611% | 0.00% |
| 21 | Crawford Fund Management, LLC | 198K | $7.0M | +78.0% | 0.532% | 2.27% |
| 22 | Westside Investment Management, Inc. | 186K | $6.6M | +2.5% | 0.499% | 1.00% |
| 23 | UBS Group AG | 175K | $6.2M | -21.1% | 0.470% | 0.00% |
| 24 | Blackhawk Capital Partners LLC. | 172K | $6.1M | +27.9% | 0.462% | 2.23% |
| 25 | 12th Street Asset Management Company, LLC | 169K | $5.9M | +85.2% | 0.453% | 0.97% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in HROW — a direct measure of their conviction.
Filings activity in HROW during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 214 | +1.4% | 55.68% | 27.51 pp | $781M | 33% |
| Q4 2025 | 211 | +8.2% | 83.19% | +6.71 pp | $1.17B | +8.8% |
| Q3 2025 | 195 | +22% | 76.48% | +29.24 pp | $1.07B | +62% |
| Q2 2025 | 160 | +2.6% | 47.24% | +8.15 pp | $663M | +21% |
| Q1 2025 | 156 | 6.0% | 39.09% | 12.66 pp | $548M | 24% |
| Q4 2024 | 166 | +5.1% | 51.75% | 14.85 pp | $726M | 22% |
| Q3 2024 | 158 | +45% | 66.60% | +37.34 pp | $934M | +128% |
| Q2 2024 | 109 | — | 29.26% | — | $410M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 18, 2026 | SILVERNAIL LAUREN P | Buy | 1K | $31.00 | $31K |
| May 18, 2026 | Graves Adrienne L | Buy | 1K | $31.07 | $31K |
| May 14, 2026 | BAUM MARK L | Buy | 10K | $30.20 | $302K |
| May 14, 2026 | BOLL ANDREW R. | Buy | 4K | $29.90 | $105K |
Quick answers to the most common questions about buying HROW stock.
Based on Q1 2026 13F filings, institutional ownership of Harrow Health, Inc. stands at 55.7%, held across 214 reporting institutions.
Opaleye Management Inc. is the largest reported institutional holder of HROW, with approximately 2,832,230 shares worth $0.10B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of HROW, including SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for HROW is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
46 institutions opened new positions in HROW during Q1 2026, while 43 fully exited. 27 added to existing positions and 140 trimmed.
HROW institutional ownership fell by 27.51 percentage points quarter-over-quarter, with a net change of +3 holders.
The top 10 institutions account for 62.8% of all reported 13F value in HROW, and the top 25 account for 81.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Harrow Health, Inc. (HROW) Institutional Ownership