Question 1

How many shares of BLFS does CHARLES SCHWAB INVESTMENT MANAGEMENT INC own?

Accepted Answer

As of 2026-Q1, CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds 403,485 shares of BLFS (BIOLIFE SOLUTIONS INC).

Question 2

What is CHARLES SCHWAB INVESTMENT MANAGEMENT INC's BLFS position worth?

Accepted Answer

As of 2026-Q1, CHARLES SCHWAB INVESTMENT MANAGEMENT INC's BLFS position is worth $7.7M.

Question 3

Is CHARLES SCHWAB INVESTMENT MANAGEMENT INC buying or selling BLFS?

Accepted Answer

In 2026-Q1, CHARLES SCHWAB INVESTMENT MANAGEMENT INC increased their BLFS position (+6.3% change in shares).

Question 4

When did CHARLES SCHWAB INVESTMENT MANAGEMENT INC first buy BLFS?

Accepted Answer

Based on available 13F filings, CHARLES SCHWAB INVESTMENT MANAGEMENT INC first reported a position in BLFS in 2019-Q2. They have held the position across 28 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	403,485	+6.3%	$7.7M	0.0%	$20.17	29
2025-Q4	Increased	379,741	+2.8%	$9.2M	0.0%	$24.66	28
2025-Q3	Increased	369,535	+6.5%	$9.4M	0.0%	$24.52	29
2025-Q2	Increased	346,982	+1.8%	$7.5M	0.0%	$21.49	28
2025-Q1	Decreased	340,826	-1.6%	$7.8M	0.0%	$25.96	0
2024-Q4	Increased	346,421	+8.3%	$9M	0.0%	$26.27	30
2024-Q3	Increased	319,959	+3.1%	$8M	0.0%	$24.34	28
2024-Q2	Increased	310,209	+1.9%	$6.6M	0.0%	$21.43	28
2024-Q1	Increased	304,270	+6.7%	$5.6M	0.0%	$18.55	29
2023-Q4	Increased	285,124	+1.1%	$4.6M	0.0%	$16.25	27
2023-Q3	Increased	281,998	+6.3%	$3.9M	0.0%	$13.81	28
2023-Q2	Increased	265,244	+2.9%	$5.9M	0.0%	$22.59	28
2023-Q1	Increased	257,855	+1.5%	$5.6M	0.0%	$20.78	27
2022-Q4	Increased	253,966	+2.1%	$4.6M	0.0%	$18.20	27
2022-Q3	Increased	248,775	+10.2%	$5.7M	0.0%	$23.67	30
2022-Q2	Increased	225,697	+31.0%	$3.1M	0.0%	$14.56	33
2022-Q1	Increased	172,272	+4.0%	$3.9M	0.0%	$22.90	28
2021-Q4	Decreased	165,644	-14.2%	$6.2M	0.0%	$37.44	0
2021-Q3	Decreased	193,073	-5.0%	$8.2M	0.0%	$42.03	0
2021-Q2	Increased	203,178	+36.2%	$9M	0.0%	$43.50	36
2021-Q1	Increased	149,178	+3.8%	$5.4M	0.0%	$35.96	28
2020-Q4	Increased	143,737	+3.8%	$5.7M	0.0%	$40.86	28
2020-Q3	Increased	138,477	+519.1%	$4M	0.0%	$28.66	43
2020-Q2	Increased	22,369	+21.6%	$366,000	0.0%	$15.30	28
2020-Q1	Unchanged	18,398	0.0%	$175,000	0.0%	$9.85	0
2019-Q4	Increased	18,398	+8.3%	$298,000	0.0%	$16.06	25
2019-Q3	Increased	16,996	+1.8%	$283,000	0.0%	$16.06	24
2019-Q2	New	16,689	-	$283,000	0.0%	$16.95	32

BLFS28 quarters

BLFS
28 quarters