Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.
Institutional footprint by quarter
Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding uses today's share count for every quarter (the only count stored).
Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.
Activists & large holders· Schedule 13D/G beneficial owners · CMMB
“The responses to Item 3 and Item 6 of this Schedule 13D are incorporated herein by reference. On July 7, 2026, the Issuer, Scipher Medicine Corporation, a Delaware corporation ("Scipher"), Snowdrift Parent Corporation, a Delaware corporation ("Chemomab Parent"), Snowdrift Sub Corp., a Delaware corporation and a wholly owned subsidiary of Chemomab Parent (the "Merger Sub"), and Elderwood Ltd., an Israeli company and a wholly owned subsidiary of Chemomab Parent (the "Domestication Merger Sub") ent”
Source: SEC Schedule 13D/13G structured XML. 13D = active intent; 13G filers report passively (Rule 13d-1(b) QII / 13d-1(c) Passive / 13d-1(d) Exempt) and are not activists. Percent and delta are the group aggregate the filing reports. Structured 13D/G coverage begins December 2024 (SEC XML mandate).
