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Equibles

Granahan Investment Management, LLC

Position in RGEN — Repligen Corp

CIK 1026710 WALTHAM, MA
Back to RGEN Full portfolio

Position in RGEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$45,335,055
+$35,090,253 QoQ
Shares Held
332,271
+282.1% QoQ
Ownership
0.589%
of shares outstanding
% of Portfolio
1.62%
of 13F equity value
Holder Rank
#51
of 482 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 80% Shared 0% None 20%

Common Shares in RGEN Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Jun 30, 2026

Granahan Investment Management, LLC holds $62,710,619 across 3 Medical Instruments & Supplies names. RGEN ranks #1 (72.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RGEN
Repligen Corp
This page 		332,271 $45,335,055
2 BLFS
Biolife Solutions Inc
 521,430 $14,725,183
3 WRBY
Warby Parker Inc.
 87,356 $2,650,381

All Filings in RGEN

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $45,335,055 332,271
2026-03-31 $10,244,802 86,953
2025-12-31 $11,798,247 72,002
2025-09-30 $9,339,656 69,871
2025-06-30 $16,797,021 135,046
2025-03-31 $12,876,306 101,197
2024-12-31 $15,461,315 107,415
2024-09-30 $13,134,109 88,255
2024-03-31 $22,946,778 124,765
2023-12-31 $23,317,542 129,686
2023-09-30 $21,109,849 132,758
2023-06-30 $21,328,207 150,772
2023-03-31 $18,711,530 111,140
2022-12-31 $18,228,930 107,666
2022-09-30 $12,596,619 67,322
2022-06-30 $20,043,732 123,422
2022-03-31 $4,415,412 23,475
2021-06-30 $793,689 3,976
2021-03-31 $7,101,408 36,528
2020-12-31 $5,112,880 26,681
2020-09-30 $19,172,823 129,950
2020-06-30 $20,671,423 167,231
2020-03-31 $19,608,625 203,114