SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in TNDM — Tandem Diabetes Care Inc
CIK 1446194
BALA CYNWYD, PA
Position in TNDM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,779,985
+$232,027 QoQ
Shares Held
117,958
+46.1% QoQ
Ownership
0.170%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#80
of 274 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TNDM Over Time
Shares Held
Position Value (USD)
Derivatives in TNDM
reported options exposure · as of Jun 30, 2026CallValue
$1,573,887
CallShares
104,300
PutValue
$2,491,359
PutShares
165,100
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 Medical Devices
Healthcare · as of Jun 30, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $397,083,529 across 81 Medical Devices names. TNDM ranks #25 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
826,420 | $74,989,349 | |
| 2 | BSX |
Boston Scientific Corp
|
1,661,950 | $70,932,025 | |
| 3 | DXCM |
Dexcom Inc
|
1,043,864 | $70,304,239 | |
| 4 | MDT |
Medtronic plc
|
410,840 | $32,140,013 | |
| 5 | SYK |
Stryker Corp
|
76,719 | $24,154,209 | |
| 6 | GEHC |
GE HealthCare Technologies Inc.
|
314,867 | $20,154,636 | |
| 7 | TMDX |
TransMedics Group, Inc.
|
255,398 | $16,963,535 | |
| 8 | PEN |
Penumbra Inc
|
29,149 | $9,203,796 |
All Filings in TNDM
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,573,887 | 104,300 | Call | Other | 2026-08-14 | |
| 2026-06-30 | $1,779,985 | 117,958 | Shares | Other | 2026-08-14 | |
| 2026-06-30 | $2,491,359 | 165,100 | Put | Other | 2026-08-14 | |
| 2026-03-31 | $1,993,680 | 104,000 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $2,087,613 | 108,900 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $1,547,958 | 80,749 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $2,864,455 | 130,321 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $2,582,650 | 117,500 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $2,246,356 | 102,200 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $1,397,314 | 115,100 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $298,644 | 24,600 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $2,125,665 | 175,096 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $479,048 | 25,700 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $4,799,035 | 257,459 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $475,320 | 25,500 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $1,071,044 | 55,900 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $3,491,928 | 182,251 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $2,324,108 | 121,300 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $3,958,598 | 109,900 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $3,004,068 | 83,400 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $1,083,121 | 30,070 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $2,832,988 | 66,800 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $1,675,491 | 39,507 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $3,821,141 | 90,100 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $5,213,526 | 129,400 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $5,282,019 | 131,100 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $1,368,812 | 33,974 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $5,390,818 | 152,240 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $4,401,463 | 124,300 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $11,008,969 | 310,900 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $3,365,493 | 113,776 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $2,523,174 | 85,300 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $4,499,118 | 152,100 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $2,629,482 | 126,600 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $7,194,518 | 346,390 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $3,134,193 | 150,900 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $1,511,664 | 61,600 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $7,603,350 | 309,835 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $1,185,282 | 48,300 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $881,237 | 21,700 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $7,607,145 | 187,322 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $1,429,472 | 35,200 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $1,388,955 | 30,900 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $3,167,356 | 70,464 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $2,803,005 | 58,579 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $4,550,535 | 95,100 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $4,871,130 | 101,800 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $2,852,958 | 48,200 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $9,269,154 | 156,600 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $3,389,039 | 29,143 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||