Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SEE held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 16.7M | $702.3M | -41.5% | 11.333% | 0.01% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.5M | $357.1M | — | 5.762% | 0.02% |
| 3 | HBK INVESTMENTS L P | 7.3M | $307.2M | — | 4.957% | 3.99% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 6.6M | $278.0M | — | 4.486% | 0.01% |
| 5 | FIL Ltd | 5.9M | $247.9M | +29.6% | 4.000% | 0.19% |
| 6 | STATE STREET CORP | 5.3M | $222.2M | +1.8% | 3.585% | 0.01% |
| 7 | Invesco Ltd. | 4.9M | $205.3M | +3.3% | 3.312% | 0.03% |
| 8 | UBS Group AG | 4.8M | $200.2M | +395.6% | 3.230% | 0.03% |
| 9 | TUDOR INVESTMENT CORP ET AL | 4.3M | $179.5M | +2.0% | 2.896% | 0.63% |
| 10 | MORGAN STANLEY | 4.2M | $175.6M | +66.2% | 2.833% | 0.01% |
| 11 | GOLDMAN SACHS GROUP INC | 3.4M | $144.3M | +233.4% | 2.328% | 0.02% |
| 12 | SOROS FUND MANAGEMENT LLC | 2.8M | $115.7M | +428.2% | 1.867% | 1.36% |
| 13 | Verition Fund Management LLC | 2.7M | $114.7M | +183.1% | 1.851% | 0.80% |
| 14 | CITIGROUP INC | 2.6M | $111.3M | +490.8% | 1.795% | 0.05% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 2.6M | $109.2M | +1.8% | 1.761% | 0.01% |
| 16 | Vivaldi Asset Management, LLC | 2.3M | $98.2M | +269.1% | 1.585% | 5.16% |
| 17 | O'Connor Alternative Investments LLC | 2.2M | $93.1M | — | 1.503% | 7.99% |
| 18 | HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P. | 2.0M | $83.8M | +38.0% | 1.353% | 5.75% |
| 19 | Qube Research & Technologies Ltd | 2.0M | $82.9M | +81.7% | 1.337% | 0.10% |
| 20 | NATIONAL BANK OF CANADA /FI/ | 1.8M | $77.6M | +493.2% | 1.252% | 0.08% |
| 21 | CNH PARTNERS LLC | 1.8M | $73.7M | +66.2% | 1.189% | 1.21% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7M | $71.3M | +2.7% | 1.150% | 0.01% |
| 23 | MILLENNIUM MANAGEMENT LLC | 1.7M | $69.6M | +608.9% | 1.123% | 0.05% |
| 24 | TIG Advisors, LLC | 1.6M | $68.7M | -27.8% | 1.108% | 3.53% |
| 25 | DIMENSIONAL FUND ADVISORS LP | 1.5M | $65.0M | -47.7% | 1.050% | 0.01% |
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 SEE — a direct measure of their conviction.
Filings activity in SEE 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 | 405 | 8.8% | 95.36% | +4.91 pp | $5.92B | +5.4% |
| Q4 2025 | 444 | +16% | 90.45% | +18.32 pp | $5.62B | +25% |
| Q3 2025 | 382 | 4.5% | 72.13% | 41.80 pp | $4.48B | 37% |
| Q2 2025 | 400 | 3.8% | 113.93% | +55.14 pp | $7.08B | +94% |
| Q1 2025 | 416 | 0.5% | 58.79% | 8.24 pp | $3.65B | 12% |
| Q4 2024 | 418 | 3.2% | 67.03% | 132.96 pp | $4.16B | 78% |
| Q3 2024 | 432 | +1.2% | 199.99% | +112.24 pp | $19.28B | +254% |
| Q2 2024 | 427 | — | 87.75% | — | $5.45B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SEE stock.
Based on Q1 2026 13F filings, institutional ownership of Sealed Air Corporation stands at 95.4%, held across 405 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of SEE, with approximately 16,702,312 shares worth $0.70B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of SEE, including SOROS FUND MANAGEMENT LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for SEE is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
71 institutions opened new positions in SEE during Q1 2026, while 110 fully exited. 227 added to existing positions and 101 trimmed.
SEE institutional ownership rose by 4.91 percentage points quarter-over-quarter, with a net change of -39 holders.
The top 10 institutions account for 48.5% of all reported 13F value in SEE, and the top 25 account for 71.8%.
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.
Sealed Air Corporation (SEE) Institutional Ownership