National Grid plc - Depositary Receipt (Common Stock)
US ˙ NYSE ˙ US6362744095

SecurityNGG / National Grid plc - Depositary Receipt (Common Stock)
InstitutionAdvisor Group Holdings, Inc.
Latest Disclosed Ownership58,969 shares
Latest Disclosed Value $ 4,989,779
Advisor Group Holdings, Inc. reports 41.19% increase in ownership of NGG / National Grid plc - Depositary Receipt (Common Stock)

On May 15, 2026 - Advisor Group Holdings, Inc. filed a 13F-HR form disclosing ownership of 58,969 shares of National Grid plc - Depositary Receipt (Common Stock) (US:NGG) valued at $4,988,777 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 41,767 shares of National Grid plc - Depositary Receipt (Common Stock). This represents a change in shares of 41.19% during the quarter. The current value of the position is $4,827,202 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 NATIONAL GRID SPONSORED ADR NE 636274409 58,969 17,202 41.19 4,990 54.41 0.0042
2026-02-17 2025-12-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 41,767 -76,116 -64.57 3,232 -62.01 0.0047
2025-11-14 2025-09-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 117,883 6,800 6.12 8,504 11.85 0.0119
2025-09-04 2025-06-30 13F/A-1 ATIONAL GRID SPONSORED ADR NE 636274409 111,083 72,673 189.20 7,604 201.71 0.0135
2025-08-13 2025-06-30 13F ATIONAL GRID SPONSORED ADR NE 636274409 105,462 67,052 6,824 0.0079
2025-05-12 2025-03-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 38,410 -21,789 -36.19 2,521 -29.59 0.0056
2025-06-06 2024-12-31 13F/A-1 NATIONAL GRID SPONSORED ADR NE 636274409 60,199 3,130 5.48 3,580 -9.98 0.0080
2025-02-07 2024-12-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 56,563 -506 3,573 0.0091
2024-11-13 2024-09-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 57,069 -6,820 -10.67 3,977 9.20 0.0090
2024-08-13 2024-06-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 63,889 1,664 2.67 3,642 -14.23 0.0086
2024-05-10 2024-03-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 62,225 -15,908 -20.36 4,245 -20.13 0.0095
2024-02-12 2023-12-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 78,133 -27,746 -26.21 5,315 -17.22 0.0093
2023-11-13 2023-09-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 105,879 27,277 34.70 6,421 21.40 0.0095
2023-08-21 2023-06-30 13F/A-1 NATIONAL GRID SPONSORED ADR NE 636274409 78,602 1,132 1.46 5,290 0.23 0.0095
2023-08-10 2023-06-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 117,339 39,869 5,251 0.0014
2023-05-12 2023-03-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 77,470 -10,944 -12.38 5,278 -1.07 0.0099
2023-02-10 2022-12-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 88,414 10,224 13.08 5,334 32.32 0.0108
2022-11-14 2022-09-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 78,190 4,356 5.90 4,031 -15.67 0.0092
2022-08-10 2022-06-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 73,834 8,213 12.52 4,780 -2.59 0.0105
2022-05-04 2022-03-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 65,621 6,923 11.79 4,907 15.57 0.0095
2022-02-03 2021-12-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 58,698 815 1.41 4,246 22.86 0.0080
2021-11-05 2021-09-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 57,883 3,301 6.05 3,456 -1.00 0.0072
2021-08-02 2021-06-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 54,582 507 0.94 3,491 8.96 0.0076
2021-05-13 2021-03-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 54,075 -1,373 -2.48 3,204 -2.11 0.0077
2021-02-10 2020-12-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 55,448 -3,539 -6.00 3,273 -4.19 0.0087
2020-11-12 2020-09-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 58,987 -2,839 -4.59 3,416 -8.93 0.0102
2020-08-14 2020-06-30 13F NATIONAL GRID SPONSORED ADR NE 636274409 61,826 -15,849 -20.40 3,751 4.60 0.0126
2020-05-18 2020-03-31 13F NATIONAL GRID SPONSORED ADR NE 636274409 77,675 77,675 3,586 0.0147
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.