Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in WMK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DIMENSIONAL FUND ADVISORS LP | 2.0M | $156.5M | -0.3% | 8.077% | 0.03% |
| 2 | BlackRock, Inc. | 1.2M | $95.4M | +9.0% | 4.924% | 0.00% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 847K | $66.3M | +0.2% | 3.422% | 0.00% |
| 4 | AMERICAN CENTURY COMPANIES INC | 749K | $58.6M | +17.4% | 3.026% | 0.03% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 565K | $44.2M | +1.5% | 2.282% | 0.00% |
| 6 | STATE STREET CORP | 408K | $32.0M | +3.8% | 1.650% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 287K | $22.5M | +0.7% | 1.158% | 0.00% |
| 8 | TWO SIGMA INVESTMENTS, LP | 277K | $21.7M | +21.1% | 1.119% | 0.02% |
| 9 | Bank of New York Mellon Corp | 270K | $21.1M | -0.9% | 1.091% | 0.00% |
| 10 | Allianz Asset Management GmbH | 251K | $19.7M | +6.0% | 1.016% | 0.01% |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 238K | $18.7M | -17.3% | 0.964% | 0.00% |
| 12 | Qube Research & Technologies Ltd | 234K | $18.3M | +22.6% | 0.945% | 0.02% |
| 13 | UBS Group AG | 213K | $16.7M | +82.2% | 0.862% | 0.00% |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 180K | $14.1M | +4.6% | 0.727% | 0.01% |
| 15 | GOLDMAN SACHS GROUP INC | 180K | $14.1M | -25.5% | 0.726% | 0.00% |
| 16 | MILLENNIUM MANAGEMENT LLC | 170K | $13.3M | -11.8% | 0.687% | 0.00% |
| 17 | CITADEL ADVISORS LLC | 156K | $12.3M | +45.9% | 0.632% | 0.00% |
| 18 | Creative Planning | 156K | $12.2M | +152.3% | 0.629% | 0.01% |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 148K | $11.6M | -16.0% | 0.599% | 0.02% |
| 20 | MORGAN STANLEY | 145K | $11.4M | -28.3% | 0.586% | 0.00% |
| 21 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 143K | $11.2M | -9.2% | 0.576% | 0.20% |
| 22 | D. E. Shaw & Co., Inc. | 136K | $10.7M | +97.8% | 0.551% | 0.01% |
| 23 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | 127K | $10.0M | -13.7% | 0.514% | 0.01% |
| 24 | NORTHERN TRUST CORP | 115K | $9.0M | -5.8% | 0.463% | 0.00% |
| 25 | JANE STREET GROUP, LLC | 108K | $8.4M | +5.6% | 0.436% | 0.00% |
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 WMK — a direct measure of their conviction.
Filings activity in WMK during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new WMK position in Q2 2026
Institutions that fully closed their WMK position in Q2 2026
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 199 | +12% | 46.11% | +2.34 pp | $883M | +20% |
| Q1 2026 | 178 | +6.6% | 43.77% | 12.58 pp | $734M | +11% |
| Q4 2025 | 167 | 7.2% | 56.35% | +0.42 pp | $663M | 9.7% |
| Q3 2025 | 180 | +7.8% | 55.93% | 3.56 pp | $734M | 7.0% |
| Q2 2025 | 167 | 2.3% | 59.49% | +15.78 pp | $789M | 4.0% |
| Q1 2025 | 171 | +3.0% | 43.71% | +2.01 pp | $822M | +20% |
| Q4 2024 | 166 | +5.7% | 41.70% | +0.42 pp | $685M | 0.8% |
| Q3 2024 | 157 | — | 41.28% | — | $691M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying WMK stock.
Based on Q2 2026 13F filings, institutional ownership of Weis Markets, Inc. stands at 46.1%, held across 199 reporting institutions.
DIMENSIONAL FUND ADVISORS LP is the largest reported institutional holder of WMK, with approximately 1,998,715 shares worth $0.16B as of Q2 2026.
Yes — 5 widely-followed marquee investors appear among the top 25 institutional holders of WMK, including TWO SIGMA INVESTMENTS, LP, MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC, RENAISSANCE TECHNOLOGIES LLC, JANE STREET GROUP, LLC.
Our composite Smart Money Score for WMK is 84 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
33 institutions opened new positions in WMK during Q2 2026, while 13 fully exited. 129 added to existing positions and 30 trimmed.
WMK institutional ownership rose by 2.34 percentage points quarter-over-quarter, with a net change of +21 holders.
The top 10 institutions account for 60.9% of all reported 13F value in WMK, and the top 25 account for 82.6%.
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.
Weis Markets, Inc. (WMK) Institutional Ownership