Granahan Investment Management, LLC

Position in BLFS — Biolife Solutions Inc

CIK 1026710 WALTHAM, MA

Position in BLFS

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$13,776,847

+$2,113,479 QoQ

Shares Held

722,057

+49.7% QoQ

Ownership

1.48%

of shares outstanding

% of Portfolio

0.67%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 89% Shared 0% None 11%

Healthcare · as of Mar 31, 2026

Granahan Investment Management, LLC holds $26,614,032 across 4 Medical Instruments & Supplies names. BLFS ranks #1 (51.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BLFS	Biolife Solutions Inc This page	722,057	$13,776,847
2	RGEN	Repligen Corp	86,953	$10,244,802
3	WRBY	Warby Parker Inc.	81,924	$1,726,138
4	AZTA	Azenta, Inc.	40,996	$866,245

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$13,776,847	722,057	+49.7%	Shares	Sole	2026-05-15
2025-12-31	$11,663,368	482,356	+23.0%	Shares	Sole	2026-02-17
2025-09-30	$10,002,368	392,096	-39.0%	Shares	Sole	2025-11-14
2025-06-30	$13,854,528	643,200	+46.3%	Shares	Sole	2025-08-14
2025-03-31	$10,038,180	439,500	-3.8%	Shares	Sole	2025-05-15
2024-12-31	$11,863,901	457,007	-30.6%	Shares	Sole	2025-02-14
2024-09-30	$16,492,195	658,634	-30.3%	Shares	Sole	2024-11-14
2024-06-30	$20,262,579	945,524	-12.4%	Shares	Sole	2024-08-14
2024-03-31	$20,031,124	1,079,845	-16.5%	Shares	Sole	2024-05-15
2023-12-31	$21,005,968	1,292,675	+22.8%	Shares	Sole	2024-02-14
2023-09-30	$14,537,427	1,052,674	+11.5%	Shares	Sole	2023-11-14
2023-06-30	$20,866,554	944,188	+10.9%	Shares	Sole	2023-08-14
2023-03-31	$18,513,534	851,197	+0.6%	Shares	Sole	2023-05-15
2022-12-31	$15,393,214	845,781	+14.3%	Shares	Sole	2023-02-14
2022-09-30	$16,832,110	739,873	-2.3%	Shares	Sole	2022-11-14
2022-06-30	$10,460,591	757,465	+24.3%	Shares	Sole	2022-08-15
2022-03-31	$13,856,298	609,604	+40.3%	Shares	Sole	2022-05-16
2021-12-31	$16,191,280	434,432	+43.2%	Shares	Sole	2022-02-14
2021-09-30	$12,841,707	303,443	-9.5%	Shares	Sole	2021-11-15
2021-06-30	$14,927,318	335,370	+6.2%	Shares	Sole	2021-08-16
2021-03-31	$11,367,180	315,755	+62.6%	Shares	Sole	2021-05-17
2020-12-31	$7,745,162	194,163	-18.4%	Shares	Sole	2021-02-12
2020-09-30	$6,890,122	238,083	-8.9%	Shares	Sole	2020-11-12
2020-06-30	$4,273,595	261,382	-4.8%	Shares	Sole	2020-08-14
2020-03-31	$2,607,854	274,511	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.