ETF exposure
Sprint 56All ETFs holding this ticker — weight, shares, and flow-of-funds impact.
Citable ownership snapshot
ABT's latest 13F holder table lists Two Sigma Investments as the largest holder in this view with 6,441,328 shares valued at $661.33M.
| Holder | Report date | Value | Portfolio weight |
|---|---|---|---|
| Two Sigma Investments | Mar 31, 2026 | $661.33M | 0.5% |
| D.E. Shaw & Co. | Mar 31, 2026 | $554.14M | 0.3% |
| Citadel Advisors | Mar 31, 2026 | $392.22M | 0.1% |
| Millennium Management | Mar 31, 2026 | $193.73M | 0.1% |
| AQR Capital Management | Mar 31, 2026 | $160.96M | 0.1% |
| Renaissance Technologies | Mar 31, 2026 | $127.17M | 0.2% |
| Balyasny Asset Management | Mar 31, 2026 | $101.38M | 0.1% |
| Point72 Asset Management | Mar 31, 2026 | $31.29M | 0.0% |
Source: SEC EDGAR 13F filings; period Mar 31, 2026; filed May 15, 2026.
Continue research
Follow same-sector companies and source explainers connected to the ownership view.
A factual guide to 13F filings, what they show, what they omit, and how Aerarium Research turns them into holder and overlap views.
A factual guide to Schedule 13D and 13G beneficial ownership reports for holders with more than 5% stakes.
A factual guide to definitive proxy statements, shareholder voting matters, board information, and executive compensation disclosures.
A factual guide to Form 4 — who must file, what insider buys and sells disclose, and why a single transaction rarely explains itself.