MEI PHARMA INC (MEIP) Institutional Ownership Changes & 13F Activity
MEI PHARMA INC (MEIP). 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 Rlh Capital Llc, Renaissance Technologies LLC, Citadel Advisors Llc, Jane Street Group, Llc, and Blackrock, Inc..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Sell | -372,570 | -51.0% | 357,529 | $329.79K | Q2 2026 | Sep 02, 2026 |
| Jane Street Group, Llc | Buy | +135,381 | +236.5% | 192,627 | $177.68K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -67,859 | -49.9% | 68,165 | $62.88K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -57,431 | -9.3% | 557,011 | $513.79K | Q2 2026 | Aug 14, 2026 |
| Group One Trading Llc | Sell | -20,541 | -88.8% | 2,598 | $2.40K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Securities, Llc | Buy | +13,986 | — | 13,986 | $12.90K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +532 | — | 532 | $491.00 | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -313 | -1.9% | 15,821 | $14.59K | Q2 2026 | Aug 14, 2026 |
| Renaissance Technologies LLC | Sell | -497,350 | -28.5% | 1,247,350 | $1.15M | Q2 2026 | Aug 13, 2026 |
| Marshall Wace, Llp | Sell | -100,529 | -30.1% | 232,979 | $214.34K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Buy | +39,791 | +77.5% | 91,141 | $84.03K | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Sell | -21,421 | -2.1% | 1,021,892 | $942.18K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Sell | -4,734 | -5.9% | 75,497 | $69.64K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +1,397 | +0.7% | 195,392 | $180.15K | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Buy | +50 | +0.1% | 71,408 | $65.87K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -36,072 | -9.0% | 365,019 | $337.08K | Q2 2026 | Aug 12, 2026 |
| Jpmorgan Chase & Co | Buy | +67 | — | 67 | $61.00 | Q2 2026 | Aug 12, 2026 |
| Rlh Capital Llc | Buy | +806,433 | — | 806,433 | $743.85K | Q2 2026 | Aug 10, 2026 |
| Blackrock, Inc. | Buy | +117,938 | +74.7% | 275,829 | $254.43K | Q2 2026 | Aug 07, 2026 |
| Gsa Capital Partners Llp | Buy | +61,850 | — | 61,850 | $57.00K | Q2 2026 | Aug 06, 2026 |
| Caitong International Asset Management Co., Ltd | Sell | -3 | -75.0% | 1 | $1.00 | Q2 2026 | Aug 05, 2026 |
| Mai Capital Management | Sell | -75 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Fmr Llc | Sell | -3 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Cwm, Llc | Sell | -1 | -100.0% | 0 | $0.00 | Q2 2026 | May 14, 2026 |
| Citigroup Inc | Sell | -1 | -100.0% | 0 | $0.00 | Q2 2026 | May 11, 2026 |
| Bank Julius Baer & Co. Ltd, Zurich | Sell | -2,175 | -100.0% | 0 | $0.00 | Q2 2026 | May 05, 2026 |
Frequently asked questions about MEIP activity
Which institutional owners are buying MEIP?
Institutional owners buying MEIP 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 MEIP activity?
"Buy" means an investor increased their reported position in MEIP compared to the prior reporting period. This reflects growing exposure to MEI PHARMA INC (MEIP) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MEIP increasing?
Institutional interest in MEIP 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 MEIP Institutional Insights
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