Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TRUP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.4M | $139.4M | +1.1% | 12.533% | 0.00% |
| 2 | Capital World Investors | 3.8M | $96.8M | -8.3% | 8.707% | 0.01% |
| 3 | AFLAC INC | 3.6M | $93.1M | 0.0% | 8.373% | 98.28% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $45.1M | β | 4.058% | 0.00% |
| 5 | Polar Capital Holdings Plc | 1.6M | $41.6M | +10.2% | 3.742% | 0.15% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.5M | $37.2M | β | 3.346% | 0.00% |
| 7 | FMR LLC | 1.4M | $34.7M | -3.3% | 3.119% | 0.00% |
| 8 | STATE STREET CORP | 1.3M | $33.7M | +2.1% | 3.034% | 0.00% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 878K | $22.5M | +1.4% | 2.022% | 0.00% |
| 10 | GREENLEA LANE CAPITAL MANAGEMENT, LLC | 776K | $19.9M | 0.0% | 1.788% | 5.78% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 702K | $18.0M | +15.7% | 1.617% | 0.00% |
| 12 | MORGAN STANLEY | 698K | $17.9M | -11.4% | 1.607% | 0.00% |
| 13 | MARSHALL WACE, LLP | 694K | $17.8M | -45.2% | 1.598% | 0.02% |
| 14 | BANK OF AMERICA CORP /DE/ | 591K | $15.1M | -1.2% | 1.360% | 0.00% |
| 15 | Clearbridge Investments, LLC | 441K | $11.3M | -1.4% | 1.016% | 0.01% |
| 16 | Kopion Asset Management, LLC | 400K | $10.2M | +36.1% | 0.920% | 7.97% |
| 17 | GOLDMAN SACHS GROUP INC | 358K | $9.2M | -24.9% | 0.825% | 0.00% |
| 18 | NORTHERN TRUST CORP | 357K | $9.1M | -3.3% | 0.821% | 0.00% |
| 19 | Qube Research & Technologies Ltd | 346K | $8.9M | +98.8% | 0.797% | 0.01% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 318K | $8.1M | -3.7% | 0.733% | 0.00% |
| 21 | TUDOR INVESTMENT CORP ET AL | 315K | $8.1M | +127.3% | 0.726% | 0.03% |
| 22 | Hosking Partners LLP | 303K | $7.8M | -35.0% | 0.698% | 0.28% |
| 23 | RENAISSANCERE HOLDINGS LTD | 263K | $6.7M | 0.0% | 0.606% | 1.66% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 239K | $6.1M | β | 0.551% | 0.00% |
| 25 | Trexquant Investment LP | 223K | $5.7M | -29.5% | 0.514% | 0.05% |
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 TRUP β a direct measure of their conviction.
Filings activity in TRUP during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new TRUP position in Q1 2026
Institutions that fully closed their TRUP position in Q1 2026
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 |
|---|---|---|---|---|---|---|
| Q1 2026 | 199 | 5.7% | 82.12% | 46.79 pp | $843M | 36% |
| Q4 2025 | 211 | 1.9% | 128.91% | 23.53 pp | $1.32B | 15% |
| Q3 2025 | 215 | 6.1% | 152.44% | 47.55 pp | $1.57B | 27% |
| Q2 2025 | 229 | +7.0% | 199.99% | +58.82 pp | $2.14B | +47% |
| Q1 2025 | 214 | 8.5% | 141.17% | 38.48 pp | $1.45B | 21% |
| Q4 2024 | 234 | +13% | 179.65% | +18.11 pp | $1.85B | +11% |
| Q3 2024 | 207 | +11% | 161.54% | +46.43 pp | $1.66B | +40% |
| Q2 2024 | 186 | β | 115.11% | β | $1.18B | 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 TRUP stock.
Based on Q1 2026 13F filings, institutional ownership of Trupanion, Inc. stands at 82.1%, held across 199 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of TRUP, with approximately 5,443,120 shares worth $0.14B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of TRUP.
Our composite Smart Money Score for TRUP is 20 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
28 institutions opened new positions in TRUP during Q1 2026, while 40 fully exited. 29 added to existing positions and 141 trimmed.
TRUP institutional ownership fell by 46.79 percentage points quarter-over-quarter, with a net change of -12 holders.
The top 10 institutions account for 66.9% of all reported 13F value in TRUP, and the top 25 account for 85.9%.
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.