53 tracked 13F filers disclose a position in KLRS as of the latest SEC 13F filings, a combined $100.7M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Samsara BioCapital, LLC | $74.7M | 12.9M | —Held | Q1 2026 | |
| 2 | RTW INVESTMENTS, LP | $5.3M | 1.3M | —Held | Q2 2026 | |
| 3 | Paradigm Biocapital Advisors LP | $4.0M | 700K | —Held | Q1 2026 | |
| 4 | Alyeska Investment Group, L.P. | $3.3M | 573K | ▲+42% Added · +169K sh | Q1 2026 | |
| 5 | Siren, L.L.C. | $1.8M | 436K | —Held | Q2 2026 | |
| 6 | Ikarian Capital, LLC | $2.1M | 360K | —Held | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $1.5M | 255K | →First observed position No prior filed position | Q1 2026 | |
| 8 | RAYMOND JAMES FINANCIAL INC | $686K | 119K | ▲+34% Added · +30K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $464K | 114K | ▲+30% Added · +26K sh | Q2 2026 | |
| 10 | GOLDMAN SACHS GROUP INC | $638K | 111K | ▲+222% Added · +76K sh | Q1 2026 | |
| 11 | Woodline Partners LP | $577K | 100K | —Held | Q1 2026 | |
| 12 | ADAR1 Capital Management, LLC | $577K | 100K | —Held | Q1 2026 | |
| 13 | WHI TRUST Co LLC | $397K | 97K | —Held | Q2 2026 | |
| 14 | BOOTHBAY FUND MANAGEMENT, LLC | $532K | 92K | —Held | Q1 2026 | |
| 15 | MARSHALL WACE, LLP | $392K | 68K | ▼−6.8% Reduced · −5K sh | Q1 2026 | |
| 16 | RENAISSANCE TECHNOLOGIES LLC | $382K | 66K | ▼−25% Reduced · −22K sh | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $344K | 60K | ▲New +60K sh | Q1 2026 | |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $304K | 53K | ▲+310% Added · +40K sh | Q1 2026 | |
| 19 | Belpointe Asset Management LLC | $231K | 40K | —Held | Q1 2026 | |
| 20 | Fortis Capital Advisors, LLC | $163K | 40K | —Held | Q2 2026 | |
| 21 | Squarepoint Ops LLC | $229K | 40K | ▲+57% Added · +14K sh | Q1 2026 | |
| 22 | Pale Fire Capital SE | $161K | 40K | ▲New +40K sh | Q2 2026 | |
| 23 | MORGAN STANLEY | $221K | 38K | ▲+37% Added · +10K sh | Q1 2026 | |
| 24 | VANGUARD FIDUCIARY TRUST CO | $212K | 37K | →First observed position No prior filed position | Q1 2026 | |
| 25 | BlackRock, Inc. | $208K | 36K | ▼−6.3% Reduced · −2K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 9 funds opened a new position in KLRS and 8 added to an existing one, while 2 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 23 funds | $13.5B |
| ELI LILLY & COLLY | 23 funds | $2.7B |
| AMAZON.COM INCAMZN | 22 funds | $8.7B |
| MICROSOFT CORPMSFT | 22 funds | $7.7B |
| ALPHABET INC-CL AGOOGL | 22 funds | $7.1B |
| JPMORGAN CHASE & COJPM | 22 funds | $3.2B |
| ADVANCED MICRO DEVICESAMD | 22 funds | $3.0B |
| DANAHER CORPDHR | 22 funds | $1.2B |
| NETFLIX INCNFLX | 22 funds | $1.2B |
| AT&T INCT | 22 funds | $844.3M |
| BROADCOM INCAVGO | 21 funds | $5.1B |
| TESLA INCTSLA | 21 funds | $4.2B |
Ranked by how many of KLRS's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 20, 2026 | AKKARAJU SRINIVAS | Director, 10% Owner | Buy (P) | 244K | $1.2M |
| Mar 20, 2026 | Hagen Brett R | Chief Accounting Officer | Sell (S) | 2K | $13K |
| Dec 18, 2025 | Samsara Opportunity Fund, L.P. | 10% Owner | Buy (P) | 480K | $5.0M |
| Mar 26, 2025 | Hagen Brett R | Chief Accounting Officer | Sell (S) | 907 | $8K |
Connected entities for KLRS
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/KLRS/capital-change-brief"
Use Arkolith's capital_change_brief for KLRS. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for KLRS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.