Sealed Air Corporation
US ˙ NYSE ˙ US81211K1007
DETTE SYMBOL ER IKKE LÆNGERE AKTIVT

SecuritySEE / Sealed Air Corporation
InstitutionCerity Partners LLC
Latest Disclosed Ownership17,183 shares
Latest Disclosed Value $ 722,558
Cerity Partners LLC reports 9.08% increase in ownership of SEE / Sealed Air Corporation

On May 15, 2026 - Cerity Partners LLC filed a 13F-HR form disclosing ownership of 17,183 shares of Sealed Air Corporation (US:SEE) valued at $722,545 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 15,752 shares of Sealed Air Corporation. This represents a change in shares of 9.08% during the quarter. The current value of the position is $0 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F SEALED AIR CORP COM 81211K100 17,183 1,431 9.08 723 10.74 0.0010
2026-02-11 2025-12-31 13F SEALED AIR CORP COM 81211K100 15,752 -82,447 -83.96 653 -81.22 0.0010
2025-10-22 2025-09-30 13F SEALED AIR CORP COM 81211K100 98,199 80,846 465.89 3,471 545.17 0.0056
2025-08-13 2025-06-30 13F SEALED AIR CORP Stock 81211K100 17,353 9,345 116.70 538 132.90 0.0010
2025-04-30 2025-03-31 13F SEALED AIR CORP Stock 81211K100 8,008 -11,491 -58.93 231 -66.03 0.0005
2025-02-13 2024-12-31 13F SEALED AIR CORP Stock 81211K100 19,499 -1,751 -8.24 681 -11.80 0.0015
2024-11-12 2024-09-30 13F SEALED AIR CORP Stock 81211K100 21,250 7,003 49.15 771 55.76 0.0017
2024-08-13 2024-06-30 13F SEALED AIR CORP COM 81211K100 14,247 -2,865 -16.74 496 -22.17 0.0013
2024-05-14 2024-03-31 13F SEALED AIR CORP Equities 81211K100 17,112 6,925 67.98 637 70.97 0.0017
2024-01-26 2023-12-31 13F SEALED AIR CORP Equity 81211K100 10,187 3,810 59.75 372 77.99 0.0012
2023-11-14 2023-09-30 13F SEALED AIR CORP Equities 81211K100 6,377 -1,251 -16.40 210 -31.25 0.0010
2023-08-14 2023-06-30 13F SEALED AIR CORP Stock 81211K100 7,628 131 1.75 305 -11.63 0.0012
2023-05-11 2023-03-31 13F SEALED AIR CORP COM 81211K100 7,497 -20 -0.27 344 -8.02 0.0008
2023-02-15 2022-12-31 13F SEALED AIR CORP COM 81211K100 7,517 7,517 375 0.0024
2022-11-10 2022-09-30 13F SEALED AIR CORP COM 81211K100 0 -3,658 -100.00 0 -100.00
2022-08-10 2022-06-30 13F SEALED AIR CORP COM 81211K100 3,658 453 14.13 211 -1.40 0.0023
2022-04-25 2022-03-31 13F SEALED AIR CORP COM 81211K100 3,205 3,205 214 0.0033
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.