undamentalytics Newsletter

Rackspace Technology, Inc.: which funds bought and sold

Institutions that bought and sold Rackspace Technology shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 128 institutions that filed 13F reports for both quarters added to or opened positions in Rackspace Technology, and 67 cut or closed them. Together they added a net 32.5M shares, +19.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 17.2M shares (+224.9%); index fund managers were net buyers of 2.0M shares (+9.4%). 69 opened a new position and 21 sold out entirely.

Bought, Q2 2026 128 institutions, 69 of them new holders Sold, Q2 2026 67 institutions, 21 of them sold out
Net change, all compared +32.5M shares (+19.3%)
Net change, active managers +17.2M shares (+224.9%), 21 bought, 5 sold

Buyers versus sellers

institutions compared, 202
Active managers and hedge funds 21 bought · 5 sold · +17.2M
Index fund managers 8 bought · 3 sold · +2.0M
Other institutions 99 bought · 59 sold · +13.4M

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Voss Capital, LP Hedge fund +7.6M New position 7.6M $49.6M
Two Sigma Investments, LP Hedge fund +3.8M +8131.1% 3.8M $25M
Marathon Asset Management LP +3.6M New position 3.6M $23.7M
Bw Gestao De Investimentos Ltda. +2.3M New position 2.3M $15.3M
Millennium Management LLC Hedge fund +2.1M +705.4% 2.3M $15.3M
Arete Wealth Advisors, LLC +1.9M +870.2% 2.2M $14.2M
Nuveen, LLC +1.4M +1525.9% 1.5M $9.6M
Vanguard Portfolio Management LLC Index funds +1.2M +46.7% 3.7M $24.3M
UBS Group AG +761K +138.9% 1.3M $8.5M
Polen Capital Management LLC Active manager +709K New position 709K $4.6M
Dimensional Fund Advisors LP +690K New position 690K $4.5M
Citadel Advisors LLC Hedge fund +615K +1521.2% 655K $4.3M
Mitsubishi Ufj Asset Management Co., Ltd. +595K New position 595K $3.9M
AQR Capital Management LLC Hedge fund +593K +13.1% 5.1M $33.5M
Hudson Bay Capital Management LP Hedge fund +591K New position 591K $3.9M
Soviero Asset Management, LP +530K New position 530K $3.5M
Aventail Capital Group, LP +484K New position 484K $3.2M
Ratan Capital Management LP +405K New position 405K $2.6M
Renaissance Technologies LLC Hedge fund +388K +19.0% 2.4M $15.9M
Blackrock, Inc. Index funds +345K +4.6% 7.9M $51.4M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Jane Street Group, LLC −2.0M Sold out 0 —
Virtu Financial LLC −247K Sold out 0 —
Gsa Capital Partners LLP −215K −33.3% 432K $2.8M
Simplex Trading, LLC −198K −74.5% 68K $441,192
Strs Ohio −162K −78.6% 44K $287,973
Vanguard Capital Management LLC Index funds −129K −2.8% 4.5M $29.3M
Kathmere Capital Management, LLC −118K Sold out 0 —
Quantbot Technologies LP Hedge fund −102K −91.3% 9,674 $63,171
Castleknight Management LP Hedge fund −101K Sold out 0 —
Scientech Research LLC −76K Sold out 0 —
Imc-Chicago, LLC −68K Sold out 0 —
Essential Partners LLC −67K −93.5% 4,711 $30,763
Mackenzie Financial Corp −63K Sold out 0 —
Creative Planning −55K −35.3% 101K $658,185
Two Sigma Securities, LLC −53K −83.2% 11K $70,341
Wedbush Securities Inc −46K Sold out 0 —
Sawgrass Asset Management LLC −42K Sold out 0 —
Bridgeway Capital Management, LLC Active manager −40K −15.4% 220K $1.4M
Mariner, LLC −40K −23.2% 132K $860,249
Bank Of America Corp −38K −34.7% 71K $462,115

New positions

largest by value
InstitutionSharesValue June 30, 2026
Voss Capital, LPHedge fund 7.6M $49.6M
Marathon Asset Management LP 3.6M $23.7M
Bw Gestao De Investimentos Ltda. 2.3M $15.3M
Polen Capital Management LLCActive manager 709K $4.6M
Dimensional Fund Advisors LP 690K $4.5M
Mitsubishi Ufj Asset Management Co., Ltd. 595K $3.9M
Hudson Bay Capital Management LPHedge fund 591K $3.9M
Soviero Asset Management, LP 530K $3.5M
Aventail Capital Group, LP 484K $3.2M
Ratan Capital Management LP 405K $2.6M

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Jane Street Group, LLC 2.0M $2M
Virtu Financial LLC 247K $242,000
Kathmere Capital Management, LLC 118K $115,616
Castleknight Management LPHedge fund 101K $99,332
Scientech Research LLC 76K $74,577
Imc-Chicago, LLC 68K $66,456
Mackenzie Financial Corp 63K $62,116
Wedbush Securities Inc 46K $45,000
Sawgrass Asset Management LLC 42K $40,948
State Of Wyoming 36K $35,161

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
184
Ten largest holders
84.1%
of 13F-reported shares
Index fund managers
11.5%
of 13F-reported shares
Active managers and hedge funds
12.2%
of 13F-reported shares
Buying and selling by type of institution, March 31, 2026 to June 30, 2026
TypeBoughtSoldNewSold outNet change in sharesNet %
Active managers and hedge funds 21 5 13 2 +17.2M +224.9%
Index fund managers 8 3 0 0 +2.0M +9.4%
Other institutions 99 59 56 19 +13.4M +9.6%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

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