ABCL · Insider trading · 13F holders · Congress trades
AbCellera Biologics Inc. (ABCL)
Who is buying and selling ABCL: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 7
- Insider buys, 90 days
- $1.5M
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ABCL at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 ABCL insiders filed 4 open-market purchases worth $1.5M on SEC Form 4.
- 7 13F filers hold ABCL among their 50 largest positions, worth $308.0M combined, including Julian and Felix Baker. The biggest bets by portfolio weight are ArrowMark Colorado Holdings LLC (1.3%), Julian and Felix Baker (1.3%) and Guardian Partners Inc. (0.8%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in ABCL.
- ABCL last closed at $13.08 on Oct 29, 2026.
ABCL insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 ABCL insiders filed 4 open-market purchases worth $1.5M on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 24, 2026 | Hayden Michael R | Director | Buy | 53,613 | $10.64 | $570K | SEC |
| Aug 18, 2026 | Montalbano John S. | Director | Buy | 10,000 | $11.03 | $110K | SEC |
| Aug 14, 2026 | Hayden Michael R | Director | Buy | 46,387 | $10.37 | $481K | SEC |
| Aug 14, 2026 | Booth Andrew | Chief Financial Officer | Buy | 37,200 | $10.32 | $384K | SEC |
Who owns ABCL? Hedge funds and superinvestors
7 13F filers hold ABCL among their 50 largest positions, worth $308.0M combined, including Julian and Felix Baker. The biggest bets by portfolio weight are ArrowMark Colorado Holdings LLC (1.3%), Julian and Felix Baker (1.3%) and Guardian Partners Inc. (0.8%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Superinvestors holding ABCL: Julian and Felix Baker 1.3%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Julian and Felix BakerHedge fund | 1.3% | $259.1M | 33,012,138 | +9.0% shares | Q2 2026 |
| ArrowMark Colorado Holdings LLCHedge fund | 1.3% | $32.2M | 4,105,095 | — | Q2 2026 |
| Guardian Partners Inc.Wealth manager | 0.8% | $8.7M | 595,998 | — | Q3 2026 |
| Intellectus Partners, LLCWealth manager | 0.8% | $4.3M | 551,583 | — | Q2 2026 |
| Softbank Group Corp.Hedge fund | 0.0% | $2.7M | 345,161 | +0.0% shares | Q2 2026 |
| Pier 88 Investment Partners LLCAsset manager | 0.3% | $627K | 79,900 | — | Q2 2026 |
| Brandywine Managers, LLCHedge fund | 0.1% | $224K | 28,488 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 6). Screen ABCL in the grand portfolio →
ABCL stock trades by members of Congress
No member of Congress has disclosed a trade in ABCL.
ABCL questions and answers
Are insiders buying ABCL stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 ABCL insiders filed 4 open-market purchases worth $1.5M on SEC Form 4.
Which hedge funds own ABCL?
7 13F filers hold ABCL among their 50 largest positions, worth $308.0M combined, including Julian and Felix Baker. The biggest bets by portfolio weight are ArrowMark Colorado Holdings LLC (1.3%), Julian and Felix Baker (1.3%) and Guardian Partners Inc. (0.8%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded ABCL?
No member of Congress has disclosed a trade in ABCL.
Who is the largest holder of ABCL?
Among 13F filers, Julian and Felix Baker reports the largest ABCL position, $259.1M (33,012,138 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is ArrowMark Colorado Holdings LLC's: 1.3% of its portfolio.
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