Granahan Investment Management, LLC

CIK 0001026710 · WALTHAM, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

Granahan Investment Management, LLC reported 150 positions worth $2.81B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: PRCH (6.6%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$2.81B
2026 Q2
Positions
150
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
34.0%
Est. Net Flow (Q)
2026 Q2
10 / 150 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1PRCHPORCH GROUP INCSH$186.4M6.64%12,393,660
2SIMOSILICON MOTION TECHNOLOGY COSH$148.6M5.29%445,752
3FPSFORGENT POWER SOLUTIONS INCSH$101.0M3.60%1,807,608
4INDIINDIE SEMICONDUCTOR INCSH$87.2M3.11%19,419,892
5VCTRVICTORY CAP HLDGS INC DELSH$85.3M3.04%1,015,343
6FTAIFTAI AVIATION LTDSH$79.5M2.83%293,722
7G5S37H101MAREX GROUP PLCSH$76.4M2.72%1,254,283
8MODMODINE MFG COSH$70.4M2.51%263,572
9CRSCARPENTER TECHNOLOGY CORPSH$59.8M2.13%96,981
10NXTNEXTPOWER INCSH$59.1M2.10%495,938

The free plan shows the top 10 positions. The remaining 140 positions, the full portfolio and quarter changes unlock with Pro.

Pro Feature

This section is exclusive to Fundocap Pro. Full holdings tables, consensus trades, ownership analysis, backtests and exports unlock with Pro.

Upgrade to Pro

Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Granahan Investment Management, LLC hold as of Q2 2026?

Granahan Investment Management, LLC reported 150 positions worth $2.81B in its Q2 2026 13F filing. Largest positions: PRCH (6.6%), SIMO (5.3%), FPS (3.6%), INDI (3.1%) and VCTR (3.0%).

What did Granahan Investment Management, LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Granahan Investment Management, LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.