Casdin Capital, LLC
SEC insider (Form 3/4/5 filer). CIK 0001534261. Director & 10% Owner at GeneDx Holdings Corp. (WGS) and 1 other issuer. 13 reported Form 4/5 transactions since Sep 2024; latest on Jun 5, 2026. Located in NEW YORK, NY.
Companies Casdin Capital, LLC has filed insider reports for
- GeneDx Holdings Corp. (WGS): Director, 10% Owner
- 2seventy bio, Inc. (TSVT): Director
Casdin Capital, LLC
CIK: 0001534261
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- Jun 5, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirect50K shares at avg. $52.86$2.6M - Jun 4, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirect150K shares at avg. $56.44$8.5M - May 20, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirect140K shares at avg. $43.81$6.1M - May 19, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirect185K shares at avg. $42.60$7.9M - May 18, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirect175K shares at avg. $42.55$7.4M - May 11, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirectCash Settled Swap
50K shares- - May 8, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirectCash Settled Swap
300K shares- - May 7, 2026WGS
GeneDx Holdings Corp.
PurchaseIndirectCash Settled Swap
500K shares- - Aug 22, 2025WGS
GeneDx Holdings Corp.
SaleIndirect500K shares at avg. $120.90$60.5M - May 13, 2025TSVT
2seventy bio, Inc.
DispositionDirectStock Options (Right to buy)
33.4K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 5, 2026 |  WGS GeneDx Holdings Corp. | Purchase | 50,000 | $52.86 | $2,642,830 | Indirect |
| Jun 4, 2026 | WGS GeneDx Holdings Corp. | Purchase | 150,000 | $56.44 | $8,466,735 | Indirect |
| May 20, 2026 | WGS GeneDx Holdings Corp. | Purchase | 140,000 | $43.81 | $6,132,854 | Indirect |
| May 19, 2026 | WGS GeneDx Holdings Corp. | Purchase | 185,000 | $42.60 | $7,880,334 | Indirect |
| May 18, 2026 | WGS GeneDx Holdings Corp. | Purchase | 175,000 | $42.55 | $7,446,547 | Indirect |
| May 11, 2026 | WGS GeneDx Holdings Corp. | Purchase Cash Settled Swap | 50,000 | - | - | Indirect |
| May 8, 2026 | WGS GeneDx Holdings Corp. | Purchase Cash Settled Swap | 300,000 | - | - | Indirect |
| May 7, 2026 | WGS GeneDx Holdings Corp. | Purchase Cash Settled Swap | 500,000 | - | - | Indirect |
| Aug 22, 2025 | WGS GeneDx Holdings Corp. | Sale | 500,000 | $120.90 | $60,451,950 | Indirect |
| May 13, 2025 |  TSVT 2seventy bio, Inc. | Disposition Stock Options (Right to buy) | 33,400 | - | - | Direct |
1-10 of 13 transactions