SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in MEC — Mayville Engineering Company, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in MEC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,201,406
+$2,751,558 QoQ
Shares Held
85,462
+203.2% QoQ
Ownership
0.335%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#53
of 153 holders
Holding Since
Dec 2022
11 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MEC Over Time
Shares Held
Position Value (USD)
Derivatives in MEC
reported options exposure · as of Jun 30, 2026CallValue
$5,611,508
CallShares
149,800
PutValue
$4,727,452
PutShares
126,200
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 Metal Fabrication
Industrials · as of Jun 30, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $95,637,554 across 14 Metal Fabrication names. MEC ranks #5 (3.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CRS |
Carpenter Technology Corp
|
64,917 | $40,043,402 | |
| 2 | ATI |
Ati Inc
|
178,268 | $35,136,622 | |
| 3 | CMC |
COMMERCIAL METALS Co
|
102,796 | $6,450,449 | |
| 4 | IIIN |
Insteel Industries Inc
|
106,302 | $3,210,320 | |
| 5 | MEC |
Mayville Engineering Company, Inc.
This page
|
85,462 | $3,201,406 | |
| 6 | GPGI |
GPGI, Inc.
|
111,038 | $1,759,952 | |
| 7 | AP |
Ampco Pittsburgh Corp
|
195,321 | $1,689,526 | |
| 8 | WOR |
Worthington Enterprises, Inc.
|
31,055 | $1,669,515 |
All Filings in MEC
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,201,406 | 85,462 | Shares | Other | 2026-08-14 | |
| 2026-06-30 | $5,611,508 | 149,800 | Call | Other | 2026-08-14 | |
| 2026-06-30 | $4,727,452 | 126,200 | Put | Other | 2026-08-14 | |
| 2025-06-30 | $449,848 | 28,186 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $318,787 | 23,737 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $276,656 | 17,599 | Shares | Other | 2025-02-14 | |
| 2024-06-30 | $233,773 | 14,032 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $366,520 | 22,000 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $391,510 | 23,500 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $442,797 | 30,900 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $200,620 | 14,000 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $457,114 | 31,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $364,826 | 25,300 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $251,213 | 22,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $133,055 | 12,129 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $310,254 | 24,900 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $398,364 | 26,700 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $922,220 | 61,811 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $606,287 | 47,890 | Shares | Defined | 2023-02-14 | |
| No filing history on record for this holder in this stock. | ||||||