Who owns Kalaris Therapeutics, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of KLRS from SEC Form 13F filings across 35 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 35 institutions disclosed 1.8M shares of Kalaris Therapeutics, Inc. worth $7.3M — about 7.6% of shares outstanding; the largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
35
13F holders
$7.3M
value, 2026 filers
7.6%
of shares outstanding (1.8M sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of KLRS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 398,712 | $1.6M | 0.0% | 1.7% | -21.9% |
| 2 | UBS Group AG | 262,131 | $1.1M | 0.0% | 1.1% | +4138.9% |
| 3 | MARSHALL WACE, LLP | 139,201 | $566,549 | 0.0% | 0.6% | +105.1% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 114,037 | $464,287 | 0.0% | 0.5% | +30.3% |
| 5 | Woodline Partners LP | 100,000 | $407,000 | 0.0% | 0.4% | -50.0% |
| 6 | WHI TRUST Co LLC | 97,493 | $396,797 | 0.3% | 0.4% | 0.0% |
| 7 | RAYMOND JAMES FINANCIAL INC | 97,164 | $395,457 | 0.0% | 0.4% | -18.3% |
| 8 | CITADEL ADVISORS LLCNEW | 95,772 | $389,792 | 0.0% | 0.4% | new |
| 9 | BOOTHBAY FUND MANAGEMENT, LLC | 92,261 | $375,502 | 0.0% | 0.4% | 0.0% |
| 10 | MORGAN STANLEY | 72,326 | $294,367 | 0.0% | 0.3% | +88.6% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 66,179 | $269,349 | 0.0% | 0.3% | +80.2% |
| 12 | BlackRock, Inc. | 54,442 | $221,580 | 0.0% | 0.2% | +51.0% |
| 13 | Squarepoint Ops LLC | 38,775 | $157,814 | 0.0% | 0.2% | -2.5% |
| 14 | Connor, Clark & Lunn Investment Management Ltd. | 30,007 | $122,128 | 0.0% | 0.1% | +119.8% |
| 15 | NORTHERN TRUST CORP | 25,839 | $105,165 | 0.0% | 0.1% | +78.8% |
| 16 | TWO SIGMA INVESTMENTS, LP | 23,847 | $97,057 | 0.0% | 0.1% | -22.2% |
| 17 | Independent Advisor Alliance | 18,125 | $73,769 | 0.0% | 0.1% | +27.4% |
| 18 | RBF Capital, LLC | 17,391 | $70,781 | 0.0% | 0.1% | -50.0% |
| 19 | GOLDMAN SACHS GROUP INC | 16,054 | $65,340 | 0.0% | 0.1% | -85.5% |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 14,221 | $57,879 | 0.0% | 0.1% | -73.0% |
| 21 | HRT FINANCIAL LP | 13,723 | $55 | 0.0% | 0.1% | +18.1% |
| 22 | Sigma Planning CorpNEW | 10,167 | $41,380 | 0.0% | 0% | new |
| 23 | FMR LLC | 7,806 | $31,770 | 0.0% | 0% | 0.0% |
| 24 | Integrated Wealth Concepts LLCNEW | 5,000 | $20,350 | 0.0% | 0% | new |
| 25 | Tower Research Capital LLC (TRC) | 2,560 | $10,419 | 0.0% | 0% | +1741.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.