Position in ATKR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,381,966
+$500,342 QoQ
Shares Held
40,434
+35.9% QoQ
Ownership
0.120%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATKR Over Time
Shares Held
Position Value (USD)
Derivatives in ATKR
reported options exposure · as of Mar 31, 2026CallValue
$2,863,026
CallShares
48,600
PutValue
$4,005,880
PutShares
68,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Electrical Equipment & Parts
Industrials · as of Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $313,849,971 across 32 Electrical Equipment & Parts names. ATKR ranks #11 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRT |
Vertiv Holdings Co
|
518,952 | $130,038,991 | |
| 2 | BE |
Bloom Energy Corp
|
483,248 | $65,475,271 | |
| 3 | EOSE |
Eos Energy Enterprises, Inc.
|
6,350,481 | $31,498,385 | |
| 4 | AEIS |
Advanced Energy Industries Inc
|
75,832 | $24,471,744 | |
| 5 | FCEL |
Fuelcell Energy Inc
|
1,720,168 | $11,232,697 | |
| 6 | ENVX |
Enovix Corp
|
1,813,580 | $9,394,344 | |
| 7 | PLUG |
Plug Power Inc
|
4,046,433 | $9,144,938 | |
| 8 | ENS |
EnerSys
|
40,932 | $7,110,707 |
All Filings in ATKR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,005,880 | 68,000 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $2,863,026 | 48,600 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $2,381,966 | 40,434 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $3,105,575 | 49,100 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $1,881,624 | 29,749 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $5,584,975 | 88,300 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $6,135,972 | 97,800 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $2,208,134 | 35,195 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $4,975,282 | 79,300 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $4,501,090 | 63,800 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $4,718,948 | 66,888 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $4,324,715 | 61,300 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $6,614,977 | 110,268 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $2,735,544 | 45,600 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $4,373,271 | 72,900 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $6,915,751 | 82,873 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $2,219,770 | 26,600 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $1,719,070 | 20,600 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $6,736,830 | 79,500 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $8,804,486 | 103,900 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $12,212,897 | 144,122 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $15,220,104 | 112,800 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $11,941,305 | 88,500 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $11,541,912 | 85,540 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $4,949,360 | 26,000 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $9,383,033 | 49,291 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $20,596,952 | 108,200 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $7,632,000 | 47,700 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $16,476,000 | 102,975 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $12,560,000 | 78,500 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $7,377,892 | 49,453 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $9,518,322 | 63,800 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $14,531,106 | 97,400 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $5,225,393 | 33,509 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $19,929,132 | 127,800 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $6,237,600 | 40,000 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $323,104 | 2,300 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $11,111,968 | 79,100 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $5,483,355 | 39,033 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $3,618,098 | 31,900 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $10,536,718 | 92,900 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $3,038,181 | 26,787 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $9,267,171 | 119,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $7,301,067 | 93,832 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $4,450,732 | 57,200 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $4,573,851 | 55,100 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $6,524,586 | 78,600 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $5,639,782 | 67,941 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $10,021,192 | 101,800 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $935,180 | 9,500 | Call | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||