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NATUS MEDICAL INC.
NATUS MEDICAL INC.. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 191 Institutional holders with a total value of $750,506,410.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 EAGLE ASSET MANAGEMENT INC 2,127,114 54,879,000 7.31%
2 BlackRock Fund Advisors 1,736,150 44,793,000 5.97%
3 DIMENSIONAL FUND ADVISORS LP 1,439,237 37,130,000 4.95%
4 Bank of New York Mellon Corp 1,255,073 32,380,000 4.31%
5 BlackRock Institutional Trust Company, N.A. 1,204,938 31,087,000 4.14%
6 VANGUARD GROUP INC 1,135,038 29,284,000 3.90%
7 CORSAIR CAPITAL MANAGEMENT, L.P. 1,102,947 28,456,000 3.79%
8 WELLINGTON MANAGEMENT GROUP LLP 1,097,645 28,319,000 3.77%
9 GOLDMAN SACHS GROUP INC 1,079,600 27,854,000 3.71% Call
10 DIAMOND HILL CAPITAL MANAGEMENT INC 968,350 24,983,000 3.33%
11 Broadfin Capital, LLC 764,915 19,735,000 2.63%
12 STATE STREET CORP 618,657 15,959,000 2.13%
13 FMR LLC 600,000 15,480,000 2.06%
14 Gotham Asset Management, LLC 596,487 15,389,000 2.05%
15 NORTHERN TRUST CORP 477,565 12,320,000 1.64%
16 MILLENNIUM MANAGEMENT LLC 473,262 12,210,000 1.63%
17 THB ASSET MANAGEMENT 437,485 11,287,000 1.50%
18 Motley Fool Asset Management LLC 436,600 11,264,000 1.50%
19 KENNEDY CAPITAL MANAGEMENT LLC 416,318 10,741,000 1.43%
20 BEDDOW CAPITAL MANAGEMENT INC 404,125 10,426,000 1.39%
21 RUSSELL FRANK CO/ 377,312 9,735,000 1.30%
22 RK Capital Management, LLC 374,599 9,665,000 1.29%
23 COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT 337,237 8,700,000 1.16%
24 TFS CAPITAL LLC 303,733 7,836,000 1.04%
25 BOGLE INVESTMENT MANAGEMENT L P /DE/ 291,074 7,509,000 1.00%
26 NORGES BANK 280,022 7,225,000 0.96%
27 Boston Partners 276,030 7,122,000 0.95%
28 FULLER & THALER ASSET MANAGEMENT, INC. 264,875 6,834,000 0.91%
29 GEODE CAPITAL MANAGEMENT, LLC 251,409 6,486,000 0.86%
30 Numeric Investors LLC 244,400 6,306,000 0.84%
31 AlphaOne Investment Services, LLC 243,615 6,285,000 0.84%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 242,396 6,254,000 0.83%
33 SUSQUEHANNA INTERNATIONAL GROUP, LLP 204,900 5,286,000 0.70% Put
34 JPMORGAN CHASE & CO 202,030 5,213,000 0.69%
35 SUSQUEHANNA INTERNATIONAL GROUP, LLP 201,247 5,192,000 0.69%
36 QS BATTERYMARCH FINANCIAL MANAGEMENT, INC 191,851 4,950,000 0.66%
37 PRINCIPAL FINANCIAL GROUP INC 183,111 4,725,000 0.63%
38 RENAISSANCE TECHNOLOGIES LLC 167,945 4,333,000 0.58%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 170,800 4,133,000 0.55%
40 TURNER INVESTMENTS LLC 157,952 4,075,000 0.54%
41 INVESTMENT MANAGEMENT OF VIRGINIA LLC 149,267 3,851,000 0.51%
42 FIRST TRUST ADVISORS LP 136,501 3,522,000 0.47%
43 GROUP ONE TRADING LLC 133,466 3,443,000 0.46%
44 MORGAN STANLEY 133,218 3,436,000 0.46%
45 PRUDENTIAL FINANCIAL INC 124,761 3,219,000 0.43%
46 AMERIPRISE FINANCIAL INC 123,849 3,196,000 0.43%
47 PEAK6 Group LLC 122,664 3,165,000 0.42%
48 BlackRock Investment Management, LLC 107,511 2,774,000 0.37%
49 RICE HALL JAMES & ASSOCIATES, LLC 104,407 2,694,000 0.36%
50 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 103,400 2,668,000 0.36%
Page 1 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.