Casdin Capital, LLC

Director at 2seventy bio, Inc. · on record since Mar 28, 2024
Director at GeneDx Holdings Corp. · on record since May 11, 2026
10% owner at GeneDx Holdings Corp. · on record since May 11, 2026
10% owner at BIOLIFE SOLUTIONS INC · on record since May 21, 2026
10% owner at CONSTAR INTERNATIONAL INC · on record since Jul 23, 2018
10% owner at Fulcrum Therapeutics, Inc. · on record since Jul 22, 2019
10% owner at MAXCYTE, INC. · on record since Jul 30, 2021
10% owner at Generation Bio Co. · on record since Jun 18, 2020
10% owner at Tenaya Therapeutics, Inc. · on record since Jul 29, 2021
Director at Absci Corp · on record since Jul 28, 2021
10% owner at Absci Corp · on record since Jul 21, 2021
Director at LABRANCHE & CO INC · on record since Apr 6, 2022
10% owner at LABRANCHE & CO INC · on record since Apr 6, 2022
Director at Tenaya Therapeutics, Inc. · on record since Nov 25, 2022

Insider trading activity of Casdin Capital, LLC

Transactions on record: 32; since Nov 27, 2020

Open-market buys: 13; $109.3M

Open-market sells: 3; $30.6M

Companies traded: 7; last filing Jun 8, 2026

Figures computed from official regulatory filings — .

Companies where Casdin Capital, LLC has traded

GeneDx Holdings Corp.11 tx · $36.5M · Jun 8, 2026
BIOLIFE SOLUTIONS INC2 tx · $48.2M · Aug 21, 2025
7 tx · $11.3M · Mar 4, 2025
1 tx · $204K · Mar 28, 2024
2 tx · $10M · Nov 25, 2022
2 tx · $18.4M · Oct 5, 2022
7 tx · $25M · Jul 28, 2021

Track record of Casdin Capital, LLC

Statistical track record

Free account

Open-market buys: 17

Last buy: Jun 5, 2026

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of Casdin Capital, LLC

Co-insiders of Casdin Capital, LLC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
GeneDx Holdings Corp.Listing on record	Jun 8, 2026	Buy	50,000	52.86 USD	$2.6M	conv 29	SEC
GeneDx Holdings Corp.Listing on record	Jun 8, 2026	Buy	150,000	56.44 USD	$8.5M	conv 31	SEC
GeneDx Holdings Corp.Listing on record	May 20, 2026	Buy	140,000	43.81 USD	$6.1M	conv 30	SEC
GeneDx Holdings Corp.Listing on record	May 20, 2026	Buy	185,000	42.60 USD	$7.9M	conv 31	SEC
GeneDx Holdings Corp.Listing on record	May 20, 2026	Buy	175,000	42.55 USD	$7.4M	conv 31	SEC
GeneDx Holdings Corp.Listing on record	May 11, 2026	BuyD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC
GeneDx Holdings Corp.Listing on record	May 11, 2026	BuyD (derivative)	500,000	—	n/a (No price was disclosed in the filing)	First in 12mo	SEC
GeneDx Holdings Corp.Listing on record	May 11, 2026	BuyD (derivative)	300,000	—	n/a (No price was disclosed in the filing)		SEC
BIOLIFE SOLUTIONS INCListing on record	Aug 21, 2025	Sell	-500,000	24.40 USD	$12.2M		SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Buy	4,820,959	1.07 USD	$5.2M	conv 29	SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Other	545,000	1.07 USD	$583.2K		SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Other	-545,000	1.07 USD	$583.2K		SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Award	58,215	1.07 USD	$62.3K		SEC
LABRANCHE & CO INCListing unverified	Jun 21, 2024	Other	655,000	2.05 USD	$1.3M		SEC
LABRANCHE & CO INCListing unverified	Jun 21, 2024	Other	545,000	2.05 USD	$1.1M		SEC
LABRANCHE & CO INCListing unverified	Jun 21, 2024	Other	-1,200,000	2.05 USD	$2.5M		SEC
GeneDx Holdings Corp.Listing on record	Jun 5, 2024	Buy	30,000	22.52 USD	$675.6K	conv 17	SEC
GeneDx Holdings Corp.Listing on record	Jun 5, 2024	Buy	100,000	20.82 USD	$2.1M	conv 19	SEC
GeneDx Holdings Corp.Listing on record	May 15, 2024	Buy	50,000	23.31 USD	$1.2M	conv 19	SEC
2seventy bio, Inc.Listing unverified	Mar 28, 2024	Buy	40,000	5.10 USD	$204K	conv 37First in 12mo	SEC
Tenaya Therapeutics, Inc.Listing on record	Nov 25, 2022	BuyD (derivative)	1,354,111	2.60 USD	$3.5M	First in 12mo	SEC
Tenaya Therapeutics, Inc.Listing on record	Nov 25, 2022	Buy	2,492,042	2.60 USD	$6.5M	conv 71First in 12mo	SEC
MAXCYTE, INC.Listing on record	Oct 5, 2022	Sell	-735,786	6.15 USD	$4.5M		SEC
MAXCYTE, INC.Listing on record	Jul 6, 2022	Sell	-3,235,548	4.30 USD	$13.9M		SEC
Absci CorpListing on record	Jul 28, 2021	OtherD (derivative)	-1,274,431	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
GeneDx Holdings Corp.Listing on record	Jun 8, 2026	Buy	50,000	52.86 USD	$2.6M	conv 29	SEC
GeneDx Holdings Corp.Listing on record	Jun 8, 2026	Buy	150,000	56.44 USD	$8.5M	conv 31	SEC
GeneDx Holdings Corp.Listing on record	May 20, 2026	Buy	140,000	43.81 USD	$6.1M	conv 30	SEC
GeneDx Holdings Corp.Listing on record	May 20, 2026	Buy	185,000	42.60 USD	$7.9M	conv 31	SEC
GeneDx Holdings Corp.Listing on record	May 20, 2026	Buy	175,000	42.55 USD	$7.4M	conv 31	SEC
GeneDx Holdings Corp.Listing on record	May 11, 2026	BuyD (derivative)	50,000	—	n/a (No price was disclosed in the filing)		SEC
GeneDx Holdings Corp.Listing on record	May 11, 2026	BuyD (derivative)	500,000	—	n/a (No price was disclosed in the filing)	First in 12mo	SEC
GeneDx Holdings Corp.Listing on record	May 11, 2026	BuyD (derivative)	300,000	—	n/a (No price was disclosed in the filing)		SEC
BIOLIFE SOLUTIONS INCListing on record	Aug 21, 2025	Sell	-500,000	24.40 USD	$12.2M		SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Buy	4,820,959	1.07 USD	$5.2M	conv 29	SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Other	545,000	1.07 USD	$583.2K		SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Other	-545,000	1.07 USD	$583.2K		SEC
LABRANCHE & CO INCListing unverified	Mar 4, 2025	Award	58,215	1.07 USD	$62.3K		SEC
LABRANCHE & CO INCListing unverified	Jun 21, 2024	Other	655,000	2.05 USD	$1.3M		SEC
LABRANCHE & CO INCListing unverified	Jun 21, 2024	Other	545,000	2.05 USD	$1.1M		SEC
LABRANCHE & CO INCListing unverified	Jun 21, 2024	Other	-1,200,000	2.05 USD	$2.5M		SEC
GeneDx Holdings Corp.Listing on record	Jun 5, 2024	Buy	30,000	22.52 USD	$675.6K	conv 17	SEC
GeneDx Holdings Corp.Listing on record	Jun 5, 2024	Buy	100,000	20.82 USD	$2.1M	conv 19	SEC
GeneDx Holdings Corp.Listing on record	May 15, 2024	Buy	50,000	23.31 USD	$1.2M	conv 19	SEC
2seventy bio, Inc.Listing unverified	Mar 28, 2024	Buy	40,000	5.10 USD	$204K	conv 37First in 12mo	SEC
Tenaya Therapeutics, Inc.Listing on record	Nov 25, 2022	BuyD (derivative)	1,354,111	2.60 USD	$3.5M	First in 12mo	SEC
Tenaya Therapeutics, Inc.Listing on record	Nov 25, 2022	Buy	2,492,042	2.60 USD	$6.5M	conv 71First in 12mo	SEC
MAXCYTE, INC.Listing on record	Oct 5, 2022	Sell	-735,786	6.15 USD	$4.5M		SEC
MAXCYTE, INC.Listing on record	Jul 6, 2022	Sell	-3,235,548	4.30 USD	$13.9M		SEC
Absci CorpListing on record	Jul 28, 2021	OtherD (derivative)	-1,274,431	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC