Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in COFS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 963K | $27.1M | +0.1% | 6.440% | 0.00% |
| 2 | NORTHERN TRUST CORP | 692K | $19.5M | +467.2% | 4.625% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 633K | $17.8M | — | 4.233% | 0.00% |
| 4 | ALLIANCEBERNSTEIN L.P. | 358K | $10.6M | +2.9% | 2.397% | 0.00% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 351K | $9.9M | +5.9% | 2.344% | 0.00% |
| 6 | STATE STREET CORP | 321K | $9.0M | +2.2% | 2.147% | 0.00% |
| 7 | DIMENSIONAL FUND ADVISORS LP | 240K | $6.8M | +18.5% | 1.607% | 0.00% |
| 8 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 226K | $6.4M | — | 1.512% | 0.02% |
| 9 | ProShare Advisors LLC | 221K | $6.2M | +15.2% | 1.480% | 0.01% |
| 10 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 221K | $6.2M | -1.2% | 1.479% | 0.01% |
| 11 | JACOBS ASSET MANAGEMENT, LLC | 196K | $5.5M | +19.7% | 1.312% | 3.30% |
| 12 | GOLDMAN SACHS GROUP INC | 158K | $4.5M | +55.8% | 1.059% | 0.00% |
| 13 | GENDELL JEFFREY L | 149K | $4.2M | 0.0% | 0.993% | 0.06% |
| 14 | TWO SIGMA INVESTMENTS, LP | 147K | $4.1M | -19.7% | 0.981% | 0.00% |
| 15 | MORGAN STANLEY | 124K | $3.5M | -3.7% | 0.828% | 0.00% |
| 16 | AMERICAN CENTURY COMPANIES INC | 94K | $2.6M | +15.6% | 0.629% | 0.00% |
| 17 | VANGUARD FIDUCIARY TRUST CO | 89K | $2.5M | — | 0.592% | 0.00% |
| 18 | MARSHALL WACE, LLP | 85K | $2.4M | -36.7% | 0.569% | 0.00% |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 82K | $2.3M | — | 0.550% | 0.00% |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 71K | $2.0M | +16.0% | 0.478% | 0.04% |
| 21 | Qube Research & Technologies Ltd | 69K | $1.9M | +76.6% | 0.462% | 0.00% |
| 22 | Bank of New York Mellon Corp | 62K | $1.8M | +3.5% | 0.417% | 0.00% |
| 23 | Nuveen, LLC | 56K | $1.6M | +180.6% | 0.371% | 0.00% |
| 24 | LPL Financial LLC | 53K | $1.5M | -0.6% | 0.354% | 0.00% |
| 25 | FIRST TRUST ADVISORS LP | 49K | $1.4M | -0.9% | 0.330% | 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 COFS — a direct measure of their conviction.
Filings activity in COFS 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 | 116 | +8.4% | 39.01% | +2.41 pp | $190M | +6.6% |
| Q4 2025 | 107 | +10% | 36.60% | +4.67 pp | $178M | +15% |
| Q3 2025 | 97 | +3.2% | 31.93% | 4.50 pp | $156M | 12% |
| Q2 2025 | 94 | +3.3% | 36.43% | +4.83 pp | $177M | +15% |
| Q1 2025 | 91 | +18% | 31.60% | +8.08 pp | $154M | +34% |
| Q4 2024 | 77 | +8.5% | 23.52% | +4.62 pp | $115M | +24% |
| Q3 2024 | 71 | +31% | 18.90% | +9.99 pp | $92M | +112% |
| Q2 2024 | 54 | — | 8.91% | — | $43M | — |
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 COFS stock.
Based on Q1 2026 13F filings, institutional ownership of ChoiceOne Financial Services, Inc. stands at 39.0%, held across 116 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of COFS, with approximately 963,229 shares worth $0.03B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of COFS, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for COFS is 63 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
23 institutions opened new positions in COFS during Q1 2026, while 14 fully exited. 32 added to existing positions and 61 trimmed.
COFS institutional ownership rose by 2.41 percentage points quarter-over-quarter, with a net change of +9 holders.
The top 10 institutions account for 62.8% of all reported 13F value in COFS, and the top 25 account for 84.8%.
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.