Granahan Investment Management, LLC STKL — SUNOPTA INC

Ownership history in Granahan Investment Management, LLC  ·  14 quarters on record

AI Ownership Summary

Granahan Investment Management, LLC reported SUNOPTA INC (STKL) in 14 quarterly 13F filings from 2024 Q1 through 2025 Q4. Peak portfolio weight reached 0.89% in 2024 Q4. The latest visible filing shows STKL at 0.43% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this STKL ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Granahan Investment Management, LLC's position in SUNOPTA INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

STKL was reported at 0.43% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.89% in 2024 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

STKL stock page Granahan Investment Management, LLC fund profile Granahan Investment Management, LLC full holdings
How Granahan Investment Management, LLC held STKL — position size vs. price
% of Fund (quarterly)    STKL price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED — — — 2,670,652 -57,599 -2.1% 0.43% $10.1M 2026-02-17 $6.41
2025 Q3 REDUCED — — — 2,728,251 -917,823 -25.2% 0.65% $16.0M 2025-11-14 $4.12
2025 Q2 ADDED — — — 3,646,074 +299,238 +8.9% 0.86% $21.1M 2025-08-14 $6.13
2025 Q1 ADDED — — — 3,346,836 +564,621 +20.3% 0.81% $16.3M 2025-05-15 $6.19
2024 Q4 ADDED — — — 2,782,215 +589,485 +26.9% 0.89% $21.4M 2025-02-14 $7.64
2024 Q3 REDUCED — — — 2,192,730 -563,135 -20.4% 0.55% $14.0M 2024-11-14 $7.54
2024 Q2 ADDED — — — 2,755,865 +683,465 +33.0% 0.60% $14.9M 2024-08-14 $6.17
2024 Q1 REDUCED — — — 2,072,400 -321,390 -13.4% 0.50% $14.2M 2024-05-15 $5.60
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding STKL

As of 2026 Q1 — sorted by position size

Beryl Capital Management LLC 3Y 7Y 8.91% PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE 3Y 7Y 7.08% Trium Capital LLP 3Y 6.56% OAKTREE CAPITAL MANAGEMENT LP 3Y 7Y 2.14% COOPERMAN LEON G 3Y 7Y 1.98% Walnut Level Capital LLC 1.79% ALPINE ASSOCIATES MANAGEMENT INC. 3Y 7Y 1.13% GARDNER LEWIS ASSET MANAGEMENT L P 3Y 7Y 0.91% ABC ARBITRAGE SA 0.41% GLAZER CAPITAL, LLC 3Y 7Y 0.4%

FAQ About Granahan Investment Management, LLC and STKL

These are the practical questions this page is built to answer before you even open the full history table.

How long has Granahan Investment Management, LLC reported owning STKL?

Granahan Investment Management, LLC reported STKL across 8 quarterly 13F filings, from 2024 Q1 through 2025 Q4.

What was the largest reported STKL position in Granahan Investment Management, LLC's portfolio?

The largest reported portfolio weight for STKL was 0.89% in 2024 Q4.

What is the latest reported STKL position on this page?

The most recent filing on this page is 2025 Q4, when Granahan Investment Management, LLC reported 2,670,652 shares, equal to 0.43% of portfolio, with an estimated market value of $10.1M.

What does the chart on this STKL ownership page compare?

The chart compares Granahan Investment Management, LLC's quarterly STKL portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Granahan Investment Management, LLC time their STKL position?

Based on 13F filing dates vs. subsequent STKL price moves, Granahan Investment Management, LLC correctly timed 2 out of 9 reported position changes (22%). The annualised alpha on STKL relative to SPY over the holding period was -4.9%.

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