Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in PETS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | 1.1M | $2.2M | -4.7% | 5.293% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 827K | $1.6M | -0.5% | 3.871% | 0.00% |
| 3 | BlackRock, Inc. | 568K | $1.1M | +3.0% | 2.659% | 0.00% |
| 4 | FEDERATED HERMES, INC. | 212K | $407K | -68.2% | 0.993% | 0.00% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 204K | $392K | -7.9% | 0.955% | 0.00% |
| 6 | STEEL PARTNERS HOLDINGS L.P. | 194K | $372K | 0.0% | 0.906% | 0.48% |
| 7 | UBS Group AG | 138K | $266K | -40.8% | 0.647% | 0.00% |
| 8 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 121K | $232K | -8.8% | 0.566% | 0.00% |
| 9 | Rangeley Capital, LLC | 121K | $232K | +10.8% | 0.566% | 0.21% |
| 10 | VANGUARD FIDUCIARY TRUST CO | 110K | $212K | +0.7% | 0.517% | 0.00% |
| 11 | STATE STREET CORP | 105K | $202K | 0.0% | 0.492% | 0.00% |
| 12 | Formidable Asset Management, LLC | 86K | $195K | -18.7% | 0.400% | 0.03% |
| 13 | TUDOR INVESTMENT CORP ET AL | 97K | $186K | β | 0.453% | 0.00% |
| 14 | Empowered Funds, LLC | 82K | $158K | +9.8% | 0.385% | 0.00% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 80K | $153K | -37.3% | 0.372% | 0.00% |
| 16 | CITADEL ADVISORS LLC | 74K | $142K | -15.7% | 0.347% | 0.00% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 60K | $116K | -71.0% | 0.282% | 0.00% |
| 18 | UMB Bank, n.a. | 60K | $115K | 0.0% | 0.281% | 0.00% |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 48K | $92K | +71.7% | 0.223% | 0.00% |
| 20 | NORTHERN TRUST CORP | 43K | $82K | -9.4% | 0.200% | 0.00% |
| 21 | XTX Topco Ltd | 42K | $81K | β | 0.196% | 0.00% |
| 22 | SIMPLEX TRADING, LLC | 25K | $48K | β | 0.116% | 0.00% |
| 23 | IMC-Chicago, LLC | 23K | $44K | β | 0.107% | 0.00% |
| 24 | Jain Global LLC | 14K | $26K | β | 0.064% | 0.00% |
| 25 | AMERICAN CENTURY COMPANIES INC | 13K | $25K | -43.3% | 0.060% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in PETS β a direct measure of their conviction.
Filings activity in PETS during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 49 | 2.0% | 21.74% | 6.88 pp | $9M | 36% |
| Q1 2026 | 50 | 3.8% | 28.62% | 5.58 pp | $14M | 40% |
| Q4 2025 | 52 | 13% | 34.20% | 0.33 pp | $23M | +28% |
| Q3 2025 | 60 | 9.1% | 34.53% | 165.46 pp | $18M | 98% |
| Q2 2025 | 66 | 5.7% | 199.99% | +161.01 pp | $789M | +2331% |
| Q1 2025 | 70 | 17% | 38.98% | 10.12 pp | $32M | 32% |
| Q4 2024 | 84 | 7.7% | 49.10% | +2.29 pp | $48M | +38% |
| Q3 2024 | 91 | β | 46.81% | β | $35M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PETS stock.
Based on Q2 2026 13F filings, institutional ownership of PetMed Express, Inc. stands at 21.7%, held across 49 reporting institutions.
RENAISSANCE TECHNOLOGIES LLC is the largest reported institutional holder of PETS, with approximately 1,131,230 shares worth $0.00B as of Q2 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of PETS, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for PETS is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
8 institutions opened new positions in PETS during Q2 2026, while 9 fully exited. 2 added to existing positions and 36 trimmed.
PETS institutional ownership fell by 6.88 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 80.0% of all reported 13F value in PETS, and the top 25 account for 99.2%.
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.
PetMed Express, Inc. (PETS) Institutional Ownership