CARIBOU BIOSCIENCES INC (CRBU) Institutional Ownership Changes & 13F Activity
CARIBOU BIOSCIENCES INC (CRBU). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Millennium Management Llc, Two Sigma Investments, Lp, Susquehanna International Group, Llp, Pfm Health Sciences, Lp, and Qube Research & Technologies Ltd.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +23,464 | — | 23,464 | $41.30K | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Sell | -118,618 | -74.6% | 40,415 | $71.13K | Q2 2026 | Sep 02, 2026 |
| Millennium Management Llc | Sell | -1,023,250 | -95.2% | 51,171 | $90.06K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -713,655 | -40.6% | 1,046,279 | $1.84M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -671,489 | -80.2% | 165,414 | $291.13K | Q2 2026 | Aug 14, 2026 |
| Pfm Health Sciences, Lp | Sell | -603,100 | -63.0% | 354,687 | $624.25K | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +369,058 | +208.9% | 545,755 | $960.53K | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +301,117 | — | 301,117 | $529.97K | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Buy | +216,167 | +38.6% | 775,809 | $1.37M | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | Sell | -171,853 | -91.6% | 15,769 | $27.75K | Q2 2026 | Aug 14, 2026 |
| Man Group Plc | Buy | +162,856 | +210.9% | 240,066 | $422.52K | Q2 2026 | Aug 14, 2026 |
| Susquehanna Portfolio Strategies, Llc | Buy | +158,597 | — | 158,597 | $279.13K | Q2 2026 | Aug 14, 2026 |
| Graham Capital Management, L.P. | Buy | +117,163 | +302.3% | 155,914 | $274.41K | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +113,791 | +8.8% | 1,410,958 | $2.48M | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +84,888 | +95.9% | 173,375 | $305.14K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -54,312 | -16.8% | 269,157 | $473.72K | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -53,714 | -14.3% | 322,875 | $568.26K | Q2 2026 | Aug 14, 2026 |
| Jacobs Levy Equity Management, Inc | Buy | +52,038 | +14.5% | 410,979 | $723.32K | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Buy | +37,080 | — | 37,080 | $70.45K | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +29,530 | — | 29,530 | $51.97K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +23,599 | +88.3% | 50,312 | $88.55K | Q2 2026 | Aug 14, 2026 |
| Canada Pension Plan Investment Board | Buy | +23,200 | +40.1% | 81,100 | $142.74K | Q2 2026 | Aug 14, 2026 |
| Sei Investments Co | Buy | +10,931 | +35.3% | 41,939 | $73.81K | Q2 2026 | Aug 14, 2026 |
| Legal & General Group Plc | Buy | +8,904 | — | 8,904 | $15.67K | Q2 2026 | Aug 14, 2026 |
| Group One Trading Llc | Buy | +5,416 | — | 5,416 | $9.53K | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +5,356 | +21.4% | 30,331 | $53.38K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Sell | -5,340 | -1.8% | 298,315 | $525.03K | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Buy | +4,161 | +25.4% | 20,534 | $36.14K | Q2 2026 | Aug 14, 2026 |
| Larson Financial Group Llc | Sell | -4,055 | -99.7% | 11 | $19.00 | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Buy | +2,882 | +117.1% | 5,344 | $10.00K | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about CRBU activity
Which institutional owners are buying CRBU?
Institutional owners buying CRBU include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in CRBU activity?
"Buy" means an investor increased their reported position in CRBU compared to the prior reporting period. This reflects growing exposure to CARIBOU BIOSCIENCES INC (CRBU) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CRBU increasing?
Institutional interest in CRBU can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related CRBU Institutional Insights
- CRBU Overview
- CRBU 13F Institutional Holders
- CRBU Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- CRBU Insider Trading & SEC Form 4 Activity
- CRBU Articles
- Top Institutional Investor Stock Rankings