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Institutional Holdings of AEROFLEX HOLDING CORP. COMMON STOCK $0.01 PAR VALU (ARX) on 12/31/2011

1. Company Information

Company/StockAEROFLEX HOLDING CORP. COMMON STOCK $0.01 PAR VALU (stock symbol: ARX)
Funds Ownership48 out of total 3028 funds (2%) own this stock
Funds own total 45,426,243 shares, 53.58% of all outstanding shares
Funds BOUGHT 1,111,469 more shares (+2.51%) in the quarter ended on 12/31/2011

2. Top 20 Funds Held ARX in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)GOLDEN GATE CAPITAL MANAGEMENT II LLC15,195,250Unchanged58.79%17.92%
2.)GOLDMAN SACHS GROUP INC12,769,402Added 0.04%0.07%15.06%
3.)FMR LLC4,990,803Added 133.69%0.01%5.89%
4.)PENNANT CAPITAL MANAGEMENT LLC3,336,171Added 110.22%0.89%3.93%
5.)CRAMER ROSENTHAL MCGLYNN LLC2,131,726Cut -0.36%0.19%2.51%
6.)VANGUARD GROUP INC976,740Added 7.59%0.00%1.15%
7.)ROBECO INVESTMENT MANAGEMENT INC868,740Cut -17.49%0.04%1.02%
8.)WELLS FARGO & CO MN712,890Added 9.28%0.01%0.84%
9.)WELLINGTON MANAGEMENT CO LLP437,200Unchanged0.00%0.52%
10.)CITADEL ADVISORS LLC433,703Added 130.80%0.01%0.51%
11.)BLACKROCK FUND ADVISORS403,272Added 1.84%0.00%0.48%
12.)CHILTON INVESTMENT CO LLC379,972Added 1.32%0.10%0.45%
13.)STATE STREET CORP314,424Added 4.15%0.00%0.37%
14.)BLACKROCK INSTITUTIONAL TRUST COMPANY NA304,111Cut -0.06%0.00%0.36%
15.)ALYESKA INVESTMENT GROUP LP300,000Cut -38.98%0.08%0.35%
16.)ARTISAN PARTNERS LIMITED PARTNERSHIP294,400Cut -54.69%0.01%0.35%
17.)NORTHERN TRUST CORP250,049Added 0.33%0.00%0.29%
18.)DECADE CAPITAL MANAGEMENT LLC250,000New0.21%0.29%
19.)TECHNICAL FINANCIAL SERVICES LLC192,195Added 100.40%0.11%0.23%
20.)CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM110,200Cut -13.84%0.00%0.13%



3. Top 20 Funds Held ARX in this Quarter (By % of Portfolio) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)GOLDEN GATE CAPITAL MANAGEMENT II LLC15,195,250Unchanged58.79%17.92%
2.)SANKATY ADVISORS LLC35,133Added 12.53%16.07%0.04%
3.)PENNANT CAPITAL MANAGEMENT LLC3,336,171Added 110.22%0.89%3.93%
4.)DECADE CAPITAL MANAGEMENT LLC250,000New0.21%0.29%
5.)CRAMER ROSENTHAL MCGLYNN LLC2,131,726Cut -0.36%0.19%2.51%
6.)TECHNICAL FINANCIAL SERVICES LLC192,195Added 100.40%0.11%0.23%
7.)CHILTON INVESTMENT CO LLC379,972Added 1.32%0.10%0.45%
8.)ALYESKA INVESTMENT GROUP LP300,000Cut -38.98%0.08%0.35%
9.)GOLDMAN SACHS GROUP INC12,769,402Added 0.04%0.07%15.06%
10.)ROBECO INVESTMENT MANAGEMENT INC868,740Cut -17.49%0.04%1.02%
11.)FMR LLC4,990,803Added 133.69%0.01%5.89%
12.)ARTISAN PARTNERS LIMITED PARTNERSHIP294,400Cut -54.69%0.01%0.35%
13.)CITADEL ADVISORS LLC433,703Added 130.80%0.01%0.51%
14.)WELLS FARGO & CO MN712,890Added 9.28%0.01%0.84%
15.)TURNER INVESTMENT PARTNERS INC48,961Cut -2.28%0.01%0.06%
16.)BATTERYMARCH FINANCIAL MANAGEMENT INC32,308Added 24.74%0.01%0.04%
17.)REGIONS FINANCIAL CORP28,800Unchanged0.01%0.03%
18.)CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM110,200Cut -13.84%0.00%0.13%
19.)VANGUARD GROUP INC976,740Added 7.59%0.00%1.15%
20.)WELLINGTON MANAGEMENT CO LLP437,200Unchanged0.00%0.52%

4. Top 20 Funds BOUGHT NEW ARX in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)DECADE CAPITAL MANAGEMENT LLC250,0000.21%0.29%
2.)UNITED SERVICES AUTOMOBILE ASSOCIATION17,1080.00%0.02%
3.)DIMENSIONAL FUND ADVISORS INC8,6340.00%0.01%
4.)WESTPAC BANKING CORP6,5700.00%0.01%
5.)FEDERATED INVESTORS INC PA 4,7630.00%0.01%

5. Top 20 Funds SOLD OUT ARX in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)SOROS FUND MANAGEMENT LLC2,134,0660.33%2.52%
2.)ANTHION MANAGEMENT LLC457,1871.05%0.54%
3.)NUVEEN ASSET MANAGEMENT LLC394,5070.03%0.47%
4.)MAGNETAR FINANCIAL LLC188,2810.10%0.22%
5.)TIAA CREF INVESTMENT MANAGEMENT LLC95,0330.00%0.11%
6.)ZEKE LP PA87,5001.30%0.10%
7.)CREDIT SUISSE 25,8460.00%0.03%
8.)ELLINGTON MANAGEMENT GROUP LLC21,2000.12%0.03%
9.)TEACHERS ADVISORS INC18,5020.00%0.02%
10.)UBS AG18,0660.00%0.02%
11.)US BANCORP DE 17,0220.00%0.02%
12.)OXFORD ASSET MANAGEMENT15,8950.00%0.02%
13.)D E SHAW & CO INC15,7660.00%0.02%
14.)CITIGROUP INC11,8870.00%0.01%
15.)LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC1,0000.00%0.00%