SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in APT — Alpha Pro Tech Ltd
CIK 1446194
BALA CYNWYD, PA
Position in APT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$627,043
+$323,743 QoQ
Shares Held
141,226
+106.7% QoQ
Ownership
1.38%
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.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in APT Over Time
Shares Held
Position Value (USD)
Derivatives in APT
reported options exposure · as of Mar 31, 2026CallValue
$1,091,352
CallShares
245,800
PutValue
$146,964
PutShares
33,100
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 Building Products & Equipment
Industrials · as of Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $148,883,866 across 29 Building Products & Equipment names. APT ranks #21 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JCI |
Johnson Controls International plc
|
296,259 | $38,795,115 | |
| 2 | TT |
Trane Technologies plc
|
85,387 | $35,584,178 | |
| 3 | LII |
Lennox International Inc
|
23,972 | $11,126,124 | |
| 4 | CARR |
CARRIER GLOBAL Corp
|
196,558 | $11,068,180 | |
| 5 | BLDR |
Builders FirstSource, Inc.
|
125,627 | $10,342,870 | |
| 6 | SPXC |
SPX Technologies, Inc.
|
35,938 | $7,185,443 | |
| 7 | CSL |
Carlisle Companies Inc
|
14,828 | $4,946,917 | |
| 8 | FBIN |
Fortune Brands Innovations, Inc.
|
107,399 | $4,185,339 |
All Filings in APT
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,091,352 | 245,800 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $146,964 | 33,100 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $627,043 | 141,226 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $303,300 | 68,311 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $465,756 | 104,900 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $73,704 | 16,600 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $307,441 | 64,184 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $324,762 | 67,800 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $850,704 | 177,600 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $394,963 | 84,214 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $139,762 | 29,800 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $1,271,459 | 271,100 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $217,500 | 43,500 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $158,000 | 31,600 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $105,245 | 21,049 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $326,393 | 61,700 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $187,795 | 35,500 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $171,570 | 30,100 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $662,340 | 116,200 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $199,100 | 36,200 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $91,525 | 16,641 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $283,296 | 45,400 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $85,488 | 13,700 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $641,265 | 102,767 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $105,271 | 19,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $807,254 | 152,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $869,886 | 164,440 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $595,092 | 137,118 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $110,236 | 25,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $731,724 | 168,600 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $472,028 | 118,600 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $190,244 | 47,800 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $365,945 | 91,946 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $141,885 | 34,107 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $56,576 | 13,600 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $588,224 | 141,400 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $225,924 | 56,200 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $927,816 | 230,800 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $464,929 | 115,654 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $1,301,265 | 321,300 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $377,865 | 93,300 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $510,198 | 125,975 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $563,744 | 126,400 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $1,754,118 | 393,300 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $620,787 | 139,190 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $501,467 | 119,397 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $740,460 | 176,300 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $1,580,880 | 376,400 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $2,424,417 | 406,100 | Put | Defined | 2022-04-05 | |
| 2021-12-31 | $578,493 | 96,900 | Call | Defined | 2022-04-05 | |
| No filing history on record for this holder in this stock. | ||||||