Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in OI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 22.4M | $235.0M | -0.7% | 14.590% | 0.00% |
| 2 | ALLIANCEBERNSTEIN L.P. | 8.9M | $131.7M | +12.5% | 5.820% | 0.04% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10.7M | $112.2M | — | 6.966% | 0.01% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 9.2M | $97.1M | +8.6% | 6.027% | 0.02% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 6.9M | $72.8M | — | 4.521% | 0.00% |
| 6 | STATE STREET CORP | 6.0M | $62.9M | -1.5% | 3.905% | 0.00% |
| 7 | GOLDMAN SACHS GROUP INC | 5.7M | $59.8M | +159.7% | 3.711% | 0.01% |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.2M | $44.6M | +32.0% | 2.770% | 0.02% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 3.9M | $40.5M | +1.9% | 2.515% | 0.00% |
| 10 | BANK OF AMERICA CORP /DE/ | 3.6M | $37.5M | +15.6% | 2.325% | 0.00% |
| 11 | TWO SIGMA INVESTMENTS, LP | 3.4M | $35.7M | +47.8% | 2.217% | 0.03% |
| 12 | PRIVATE MANAGEMENT GROUP INC | 2.9M | $30.4M | +4.2% | 1.888% | 0.88% |
| 13 | LUMINUS MANAGEMENT LLC | 2.7M | $28.6M | +73.1% | 1.776% | 17.29% |
| 14 | FRANKLIN RESOURCES INC | 2.3M | $24.2M | +541.9% | 1.501% | 0.01% |
| 15 | MORGAN STANLEY | 2.2M | $23.1M | -31.9% | 1.435% | 0.00% |
| 16 | UBS Group AG | 2.1M | $22.5M | +152.7% | 1.398% | 0.00% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.0M | $21.5M | -3.4% | 1.336% | 0.00% |
| 18 | WELLINGTON MANAGEMENT GROUP LLP | 2.0M | $20.8M | -27.3% | 1.288% | 0.00% |
| 19 | NORTHERN TRUST CORP | 1.6M | $16.5M | +0.5% | 1.024% | 0.00% |
| 20 | EDMOND DE ROTHSCHILD HOLDING S.A. | 1.5M | $16.1M | +37.8% | 0.998% | 0.23% |
| 21 | Invesco Ltd. | 1.3M | $13.9M | +4.2% | 0.863% | 0.00% |
| 22 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.3M | $13.5M | +4.3% | 0.837% | 0.27% |
| 23 | LEVIN CAPITAL STRATEGIES, L.P. | 1.1M | $11.1M | -38.8% | 0.691% | 0.84% |
| 24 | Covalis Capital LLP | 1.0M | $10.9M | — | 0.678% | 0.67% |
| 25 | Bank of New York Mellon Corp | 1.0M | $10.7M | -4.5% | 0.665% | 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 OI — a direct measure of their conviction.
Filings activity in OI 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 | 290 | 9.9% | 106.42% | 41.50 pp | $1.50B | 28% |
| Q4 2025 | 322 | +13% | 147.92% | +22.23 pp | $2.08B | +18% |
| Q3 2025 | 284 | +0.7% | 125.69% | 15.32 pp | $1.77B | 11% |
| Q2 2025 | 282 | +7.6% | 141.01% | +35.01 pp | $1.98B | +33% |
| Q1 2025 | 262 | +6.1% | 106.00% | +4.42 pp | $1.49B | +4.4% |
| Q4 2024 | 247 | 5.7% | 101.58% | 18.04 pp | $1.43B | 15% |
| Q3 2024 | 262 | +0.8% | 119.62% | +16.68 pp | $1.68B | +16% |
| Q2 2024 | 260 | — | 102.94% | — | $1.45B | — |
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 15, 2026 | Chapin Samuel R. | Buy | 12K | $8.51 | $102K |
| May 14, 2026 | Restrepo Eduardo | Buy | 3K | $8.98 | $30K |
Quick answers to the most common questions about buying OI stock.
Based on Q1 2026 13F filings, institutional ownership of O-I Glass, Inc. stands at 106.4%, held across 290 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of OI, with approximately 22,364,095 shares worth $0.24B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of OI, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for OI is 27 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
40 institutions opened new positions in OI during Q1 2026, while 72 fully exited. 44 added to existing positions and 204 trimmed.
OI institutional ownership fell by 41.50 percentage points quarter-over-quarter, with a net change of -32 holders.
The top 10 institutions account for 59.8% of all reported 13F value in OI, and the top 25 account for 79.8%.
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.
O-I Glass, Inc. (OI) Institutional Ownership