667, L.P.

Director at MADRIGAL PHARMACEUTICALS, INC. · on record since Jun 20, 2023
Former 10% Owner at Neurogene Inc. · on record since Dec 20, 2023
Former 10% Owner at Seagen Inc. · on record since Dec 18, 2023
Director at vTv Therapeutics Inc. · on record since Mar 7, 2024
Director at Immunocore Holdings plc · on record since May 29, 2024
Director at BICYCLE THERAPEUTICS PLC · on record since May 29, 2024
10% owner at BICYCLE THERAPEUTICS PLC · on record since May 29, 2024
Director at Kymera Therapeutics, Inc. · on record since Apr 1, 2024
Director at TScan Therapeutics, Inc. · on record since May 22, 2026
Former 10% owner and director at IGM Biosciences, Inc. · on record since Aug 18, 2025
10% owner at Kymera Therapeutics, Inc. · on record since Dec 11, 2025
Director at INCYTE CORP · on record since Apr 2, 2026
10% owner at INCYTE CORP · on record since Apr 2, 2026
Director at Replimune Group, Inc. · on record since Apr 7, 2026
10% owner at Replimune Group, Inc. · on record since Apr 7, 2026
Director at BeOne Medicines Ltd. · on record since May 27, 2026
Director at Prelude Therapeutics Inc · on record since Apr 22, 2026
10% owner at Prelude Therapeutics Inc · on record since Apr 22, 2026
Director at · on record since Jul 31, 2012
Director at · on record since Jul 23, 2012
Director at · on record since Jul 13, 2012
10% owner at · on record since Oct 31, 2012
10% owner at · on record since Nov 23, 2012
Director at · on record since Jan 23, 2013
10% owner at · on record since Jan 23, 2013
Director at · on record since May 21, 2013
10% owner at · on record since May 21, 2013
10% owner at · on record since Jun 10, 2013
10% owner at · on record since Aug 2, 2013
Director at · on record since Mar 19, 2014
Director at · on record since Jun 2, 2026
Director at · on record since Jun 5, 2026
10% owner at · on record since Feb 2, 2015
Director at · on record since Jun 30, 2015
Former 10% owner and Director at · on record since Jun 23, 2015
Former 10% owner at · on record since Jul 23, 2015
10% owner at · on record since Aug 10, 2015
10% owner at · on record since Feb 9, 2016
Director at · on record since May 9, 2017
10% owner at · on record since Mar 15, 2018
10% owner at · on record since May 31, 2018
Director at · on record since Oct 11, 2018
10% owner at · on record since Oct 11, 2018
Director at · on record since Sep 20, 2019
10% owner at · on record since Sep 20, 2019
Director at · on record since Dec 20, 2019
10% owner at · on record since Oct 15, 2019
Director at · on record since Mar 16, 2020
Director at · on record since Feb 25, 2021
Director at · on record since Feb 19, 2021
10% owner at · on record since Feb 19, 2021
Director at · on record since Jan 11, 2021
10% owner at · on record since Jan 11, 2021
10% owner at · on record since Jul 15, 2021

Insider trading activity of 667, L.P.

Transactions on record: 639; since Feb 11, 2013

Open-market buys: 308; $837M

Open-market sells: 117; $70.8M

Companies traded: 19; last filing Jul 2, 2025

Figures computed from official regulatory filings — .

Companies where 667, L.P. has traded

12 tx · $65M · Jul 2, 2025
21 tx · $167.9M · Jul 2, 2025
14 tx · $10M · Jul 2, 2025
79 tx · $211.5M · Apr 2, 2025
6 tx · $24M · Mar 19, 2025
3 tx · $105.7M · Aug 22, 2024
8 tx · Jun 27, 2024
4 tx · Jun 20, 2024
190 tx · $10.6B · Dec 18, 2023
30 tx · $7.5M · Dec 14, 2023
7 tx · Jun 20, 2023
6 tx · Jun 8, 2023
32 tx · $113.7M · May 24, 2023
6 tx · $25.3M · Dec 20, 2019

Track record of 667, L.P.

Statistical track record

Free account

Open-market buys: 314

Last buy: Mar 17, 2025

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

Transaction history of 667, L.P.

Co-insiders of 667, L.P.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
TScan Therapeutics, Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	67,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Jul 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Jul 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TScan Therapeutics, Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	67,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INCYTE CORPListing on record	Apr 2, 2025	Award	487	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INCYTE CORPListing on record	Apr 2, 2025	Award	487	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	92,349	29.56 USD	$2.7M	conv 28	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	60,110	29.74 USD	$1.8M	conv 41	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	SellD (derivative)	0	10,533,376.12 USD	n/a (Converted to USD in the nightly refresh)		SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	8,589	29.56 USD	$253.9K	conv 28	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	646,290	29.74 USD	$19.2M	conv 43	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	SellD (derivative)	0	113,252,773.88 USD	n/a (Converted to USD in the nightly refresh)		SEC
Kymera Therapeutics, Inc.Listing on record	Aug 22, 2024	BuyD (derivative)	2,246,587	40.75 USD	$91.5M	Unusual size	SEC
Kymera Therapeutics, Inc.Listing on record	Aug 22, 2024	Buy	1	46.41 USD	$46.4	conv 19	SEC
Kymera Therapeutics, Inc.Listing on record	Aug 22, 2024	BuyD (derivative)	347,572	40.75 USD	$14.2M		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2024	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2024	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	983	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	983	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
TScan Therapeutics, Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	67,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Jul 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Jul 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TScan Therapeutics, Inc.Listing on record	Jul 2, 2025	AwardD (derivative)	67,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INCYTE CORPListing on record	Apr 2, 2025	Award	487	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 2, 2025	Award	953	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
INCYTE CORPListing on record	Apr 2, 2025	Award	487	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	92,349	29.56 USD	$2.7M	conv 28	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	60,110	29.74 USD	$1.8M	conv 41	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	SellD (derivative)	0	10,533,376.12 USD	n/a (Converted to USD in the nightly refresh)		SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	8,589	29.56 USD	$253.9K	conv 28	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	Buy	646,290	29.74 USD	$19.2M	conv 43	SEC
Immunocore Holdings plcListing on record	Mar 19, 2025	SellD (derivative)	0	113,252,773.88 USD	n/a (Converted to USD in the nightly refresh)		SEC
Kymera Therapeutics, Inc.Listing on record	Aug 22, 2024	BuyD (derivative)	2,246,587	40.75 USD	$91.5M	Unusual size	SEC
Kymera Therapeutics, Inc.Listing on record	Aug 22, 2024	Buy	1	46.41 USD	$46.4	conv 19	SEC
Kymera Therapeutics, Inc.Listing on record	Aug 22, 2024	BuyD (derivative)	347,572	40.75 USD	$14.2M		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2024	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kodiak Sciences Inc.Listing on record	Jul 2, 2024	AwardD (derivative)	40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	983	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
vTv Therapeutics Inc.Listing on record	Jun 27, 2024	AwardD (derivative)	983	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC