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Insiders · Profile

Casdin Partners Master Fund, L.P.

10% owner at BIOLIFE SOLUTIONS · Director at STANDARD BIOTOOLS · 10% owner at MAXCYTE · and 2 more. Filing since 19 Nov 2019. CIK 0001534265

BLFS BIOLIFE SOLUTIONS INC 10% owner · 21 trades LAB STANDARD BIOTOOLS INC. Director · 52 trades MXCT MAXCYTE, INC. 10% owner · 3 trades TNYA Tenaya Therapeutics, Inc. 10% owner · 1 trade ABSI Absci Corp Director · 1 trade
Company
Date
Role
Action
Shares
Amount
Of holding
BLFS BIOLIFE SOLUTIONS INC
21 May 2026
10% owner
Sold at will
650,000
$15.41M
12.0%
BLFS BIOLIFE SOLUTIONS INC
20 May 2026
10% owner
Sold at will
250,000
$5.93M
4.4%
BLFS BIOLIFE SOLUTIONS INC
19 May 2026
10% owner
Sold at will
300,000
$6.80M
5.0%
LAB STANDARD BIOTOOLS INC.
4 Dec 2025
Director
Bought
150,000
$217.02K
0.2%
LAB STANDARD BIOTOOLS INC.
3 Dec 2025
Director
Bought
75,000
$108.04K
0.1%
LAB STANDARD BIOTOOLS INC.
2 Dec 2025
Director
Bought
125,000
$177.51K
0.2%
LAB STANDARD BIOTOOLS INC.
25 Nov 2025
Director
Bought
7,550,000
$9.84M
11.8%
LAB STANDARD BIOTOOLS INC.
24 Nov 2025
Director
Bought
150,000
$214.88K
0.2%
LAB STANDARD BIOTOOLS INC.
20 Nov 2025
Director
Bought
450,000
$586.26K
0.7%
LAB STANDARD BIOTOOLS INC.
19 Nov 2025
Director
Bought
350,000
$448.91K
0.6%
LAB STANDARD BIOTOOLS INC.
18 Nov 2025
Director
Bought
275,000
$339.41K
0.4%
LAB STANDARD BIOTOOLS INC.
17 Nov 2025
Director
Bought
225,000
$275.58K
0.4%
LAB STANDARD BIOTOOLS INC.
14 Nov 2025
Director
Bought
250,000
$309.80K
0.4%
LAB STANDARD BIOTOOLS INC.
13 Nov 2025
Director
Bought
450,000
$541.40K
0.7%
LAB STANDARD BIOTOOLS INC.
12 Nov 2025
Director
Bought
375,000
$445.84K
0.6%
LAB STANDARD BIOTOOLS INC.
11 Nov 2025
Director
Bought
300,000
$358.80K
0.5%
LAB STANDARD BIOTOOLS INC.
10 Nov 2025
Director
Bought
275,000
$321.92K
0.5%
LAB STANDARD BIOTOOLS INC.
7 Nov 2025
Director
Bought
225,000
$252.77K
0.4%
BLFS BIOLIFE SOLUTIONS INC
15 Oct 2025
10% owner
Sold at will
750,000
$21.41M
11.2%
LAB STANDARD BIOTOOLS INC.
9 Sep 2025
Director
Bought
100,000
$128.92K
0.2%
LAB STANDARD BIOTOOLS INC.
4 Sep 2025
Director
Bought
250,000
$319.35K
0.4%
LAB STANDARD BIOTOOLS INC.
3 Sep 2025
Director
Bought
250,000
$316.40K
0.4%
LAB STANDARD BIOTOOLS INC.
26 Aug 2025
Director
Bought
125,000
$157.94K
0.2%
LAB STANDARD BIOTOOLS INC.
25 Aug 2025
Director
Bought
200,000
$248.18K
0.3%
LAB STANDARD BIOTOOLS INC.
22 Aug 2025
Director
Bought
200,000
$252.68K
0.3%
BLFS BIOLIFE SOLUTIONS INC
15 Aug 2025
10% owner
Sold at will
500,000
$12.20M
6.9%
LAB STANDARD BIOTOOLS INC.
15 Aug 2025
Director
Bought
150,000
$183.21K
0.3%
LAB STANDARD BIOTOOLS INC.
14 Aug 2025
Director
Bought
133,220
$161.54K
0.2%
LAB STANDARD BIOTOOLS INC.
13 Aug 2025
Director
Bought
75,000
$98.28K
0.1%
BLFS BIOLIFE SOLUTIONS INC
11 Aug 2025
10% owner
Sold at will
500,000
$11.30M
6.5%
BLFS BIOLIFE SOLUTIONS INC
10 Jun 2025
10% owner
Sold at will
1,000,000
$23.80M
11.5%
LAB STANDARD BIOTOOLS INC.
28 Feb 2025
Director
Bought
4,820,959
$5.13M
8.9%
LAB STANDARD BIOTOOLS INC.
27 Aug 2024
Director
Bought
250,000
$546.75K
0.5%
LAB STANDARD BIOTOOLS INC.
26 Aug 2024
Director
Bought
150,000
$322.46K
0.3%
LAB STANDARD BIOTOOLS INC.
23 Aug 2024
Director
Bought
292,100
$620.98K
0.5%
LAB STANDARD BIOTOOLS INC.
22 Aug 2024
Director
Bought
307,900
$602.81K
0.6%
LAB STANDARD BIOTOOLS INC.
21 Aug 2024
Director
Bought
500,000
$951.95K
1.0%
LAB STANDARD BIOTOOLS INC.
20 Aug 2024
Director
Bought
500,000
$936.70K
1.0%
LAB STANDARD BIOTOOLS INC.
19 Aug 2024
Director
Bought
250,000
$463.23K
0.5%
LAB STANDARD BIOTOOLS INC.
14 Aug 2024
Director
Bought
1,200,000
$1.91M
2.4%
LAB STANDARD BIOTOOLS INC.
13 Aug 2024
Director
Bought
550,000
$890.56K
1.1%
LAB STANDARD BIOTOOLS INC.
12 Aug 2024
Director
Bought
500,000
$820.60K
1.0%
LAB STANDARD BIOTOOLS INC.
9 Aug 2024
Director
Bought
525,408
$848.48K
1.1%
LAB STANDARD BIOTOOLS INC.
8 Aug 2024
Director
Bought
569,562
$932.60K
1.2%
LAB STANDARD BIOTOOLS INC.
7 Aug 2024
Director
Bought
500,000
$786.20K
1.0%
LAB STANDARD BIOTOOLS INC.
5 Aug 2024
Director
Bought
200,000
$316.78K
0.4%
LAB STANDARD BIOTOOLS INC.
2 Aug 2024
Director
Bought
1,000,000
$1.63M
2.1%
LAB STANDARD BIOTOOLS INC.
23 May 2024
Director
Bought
100,000
$260.00K
0.2%
LAB STANDARD BIOTOOLS INC.
22 May 2024
Director
Bought
150,000
$387.74K
0.3%
LAB STANDARD BIOTOOLS INC.
21 May 2024
Director
Bought
350,000
$895.93K
0.8%
LAB STANDARD BIOTOOLS INC.
20 May 2024
Director
Bought
100,000
$258.13K
0.2%
LAB STANDARD BIOTOOLS INC.
17 May 2024
Director
Bought
352,072
$902.04K
0.8%
LAB STANDARD BIOTOOLS INC.
16 May 2024
Director
Bought
500,000
$1.27M
1.1%
LAB STANDARD BIOTOOLS INC.
15 May 2024
Director
Bought
500,000
$1.28M
1.1%
LAB STANDARD BIOTOOLS INC.
5 Mar 2024
Director
Bought
1,403
$3.67K
0.0%
LAB STANDARD BIOTOOLS INC.
4 Mar 2024
Director
Bought
250,000
$642.50K
2.2%
BLFS BIOLIFE SOLUTIONS INC
19 Oct 2023
10% owner
Bought
927,165
$10.37M
12.2%
BLFS BIOLIFE SOLUTIONS INC
9 Aug 2023
10% owner
Bought
58,465
$771.74K
0.8%
BLFS BIOLIFE SOLUTIONS INC
22 May 2023
10% owner
Bought
24,973
$545.79K
20.0%
LAB STANDARD BIOTOOLS INC.
19 May 2023
Director
Bought
800,000
$1.84M
200%
BLFS BIOLIFE SOLUTIONS INC
19 May 2023
10% owner
Bought
50,000
$1.13M
66.6%
BLFS BIOLIFE SOLUTIONS INC
18 May 2023
10% owner
Bought
30,000
$652.69K
66.6%
LAB STANDARD BIOTOOLS INC.
18 May 2023
Director
Bought
150,000
$323.87K
60.0%
BLFS BIOLIFE SOLUTIONS INC
17 May 2023
10% owner
Bought
30,027
$639.45K
200%
LAB STANDARD BIOTOOLS INC.
17 May 2023
Director
Bought
250,000
$471.55K
opened
BLFS BIOLIFE SOLUTIONS INC
16 May 2023
10% owner
Bought
15,000
$302.84K
opened
MXCT MAXCYTE, INC.
3 Oct 2022
10% owner
Sold, plan not stated
735,786
$4.53M
6.9%
MXCT MAXCYTE, INC.
1 Jul 2022
10% owner
Sold, plan not stated
3,235,548
$13.91M
23.2%
TNYA Tenaya Therapeutics, Inc.
3 Aug 2021
10% owner
Bought
850,000
$12.75M
35.8%
MXCT MAXCYTE, INC.
30 Jul 2021
10% owner
Bought
1,800,000
$23.40M
14.8%
ABSI Absci Corp
26 Jul 2021
Director
Bought
1,562,500
$25.00M
30.1%
BLFS BIOLIFE SOLUTIONS INC
24 Nov 2020
10% owner
Bought
1,600,000
$36.00M
27.4%
BLFS BIOLIFE SOLUTIONS INC
2 Jul 2020
10% owner
Bought
305,583
$4.43M
5.5%
BLFS BIOLIFE SOLUTIONS INC
1 Jul 2020
10% owner
Bought
685,000
$9.93M
14.1%
BLFS BIOLIFE SOLUTIONS INC
22 May 2020
10% owner
Bought
476,191
$5.00M
10.9%
BLFS BIOLIFE SOLUTIONS INC
14 May 2020
10% owner
Bought
1,904,762
$20.00M
77.2%
BLFS BIOLIFE SOLUTIONS INC
20 Nov 2019
10% owner
Bought
20,000
$313.62K
0.8%
BLFS BIOLIFE SOLUTIONS INC
19 Nov 2019
10% owner
Bought
20,000
$302.92K
0.8%
78 decisions on file.