Zimmer Partners, L.P. 13F annual report

Zimmer Partners, L.P. is an investment fund managing more than $4.59 trillion ran by Barbara Burger. There are currently 127 companies in Mrs. Burger’s portfolio. The largest investments include Welltower and Ameren, together worth $593 billion.

$4.59 trillion Assets Under Management (AUM)

As of 8th May 2024, Zimmer Partners, L.P.’s top holding is 3,316,750 shares of Welltower currently worth over $310 billion and making up 6.8% of the portfolio value. Relative to the number of outstanding shares of Welltower, Zimmer Partners, L.P. owns more than approximately 0.1% of the company. In addition, the fund holds 3,827,897 shares of Ameren worth $283 billion, whose value fell 3.6% in the past six months. The third-largest holding is Ryan Specialty Holdings Inc worth $253 billion and the next is NiSource Inc worth $246 billion, with 8,907,743 shares owned.

Currently, Zimmer Partners, L.P.'s portfolio is worth at least $4.59 trillion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Zimmer Partners, L.P.

The Zimmer Partners, L.P. office and employees reside in New York, New York. According to the last 13-F report filed with the SEC, Barbara Burger serves as the General Counsel at Zimmer Partners, L.P..

Recent trades

In the most recent 13F filing, Zimmer Partners, L.P. revealed that it had opened a new position in Ameren and bought 3,827,897 shares worth $283 billion. This means they effectively own approximately 0.1% of the company. Ameren makes up 17.6% of the fund's Utilities sector allocation and has decreased its share price by 12.0% in the past year.

The investment fund also strengthened its position in Welltower by buying 2,541,750 additional shares. This makes their stake in Welltower total 3,316,750 shares worth $310 billion. Welltower soared 23.3% in the past year.

On the other hand, there are companies that Zimmer Partners, L.P. is getting rid of from its portfolio. Zimmer Partners, L.P. closed its position in American Wtr Wks Co Inc New on 15th May 2024. It sold the previously owned 2,104,000 shares for $308 billion. Barbara Burger also disclosed a decreased stake in Ryan Specialty Holdings Inc by approximately 0.1%. This leaves the value of the investment at $253 billion and 4,551,004 shares.

One of the largest hedge funds

The two most similar investment funds to Zimmer Partners, L.P. are Quantinno Capital Management L.P. and Starboard Value L.P.. They manage $4.59 trillion and $4.58 trillion respectively.


Barbara Burger investment strategy

Zimmer Partners, L.P.’s portfolio is diversified across 10 sectors. Currently, their heaviest sector is Utilities — making up 35.1% of the total portfolio value. The fund focuses on investments in the United States as 52.0% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are large-cap stocks. Stocks with a size of more than $10 billion in market cap make up 29% of the total holdings value. On the other hand, small-cap stocks make up only 0.8% of the portfolio. The average market cap of the portfolio companies is close to $53.1 billion.

The complete list of Zimmer Partners, L.P. trades based on 13F SEC filings

These positions were updated on May 15th based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Welltower Inc.
327.97%
3,316,750
$309,917,120,000 6.76%
American Wtr Wks Co Inc New
Closed
2,104,000
$308,214,960,000
Ameren Corp.
Opened
3,827,897
$283,111,262,000 6.17%
Portland Gen Elec Co
Closed
5,650,000
$276,228,500,000
Ryan Specialty Holdings Inc
8.98%
4,551,004
$252,580,722,000 5.51%
NiSource Inc
105.86%
8,907,743
$246,388,171,000 5.37%
Pge Corp
32.36%
12,077,810
$202,424,096,000 4.41%
Pinnacle West Cap Corp
Opened
2,655,010
$198,408,897,000 4.33%
Cheniere Energy Inc.
3,528.26%
1,222,723
$197,200,765,000 4.30%
DTE Energy Co.
Closed
1,691,000
$185,232,140,000
Targa Res Corp
49.46%
1,636,700
$183,294,033,000 4.00%
NextEra Energy Inc
Opened
2,735,200
$174,806,632,000 3.81%
Eversource Energy
45.82%
2,537,095
$151,642,168,000 3.31%
Firstenergy Corp.
34.38%
3,675,701
$141,955,573,000 3.09%
Pnm Res Inc
Opened
3,551,669
$133,684,821,000 2.91%
The Southern Co.
Closed
1,804,023
$125,523,920,000
Evergy Inc
88.31%
2,326,385
$124,182,431,000 2.71%
Sempra
528.34%
1,636,202
$117,528,390,000 2.56%
Atmos Energy Corp.
Closed
930,646
$104,567,385,000
Brixmor Ppty Group Inc
Closed
4,650,000
$100,068,000,000
Oracle Corp.
Closed
1,075,000
$99,889,000,000
PPL Corp
Closed
3,500,000
$97,265,000,000
Agree Rlty Corp
Closed
1,290,000
$88,506,900,000
American Elec Pwr Co Inc
282.10%
975,000
$83,947,500,000 1.83%
Entergy Corp.
9,925.64%
782,000
$82,641,760,000 1.80%
Cameco Corp.
Closed
3,080,171
$80,608,075,000
Innovative Indl Pptys Inc
58.70%
775,034
$80,247,020,000 1.75%
Duke Energy Corp.
Closed
827,927
$79,870,118,000
American Tower Corp.
Closed
357,500
$73,051,550,000
Corebridge Finl Inc
Closed
4,553,996
$72,955,016,000
Equity Lifestyle Pptys Inc
Closed
1,074,500
$72,131,185,000
Att Inc
Opened
4,000,000
$70,400,000,000 1.53%
Mid-amer Apt Cmntys Inc
Closed
462,500
$69,856,000,000
NRG Energy Inc.
10.78%
950,000
$64,305,500,000 1.40%
Chesapeake Utils Corp
Opened
595,654
$63,913,674,000 1.39%
Kinetik Holdings Inc
Opened
1,566,908
$62,472,622,000 1.36%
Kyndryl Hldgs Inc
27.14%
2,542,885
$55,333,178,000 1.21%
CMS Energy Corporation
95.74%
860,524
$51,924,018,000 1.13%
Xcel Energy Inc.
Opened
932,505
$50,122,144,000 1.09%
Sirius XM Holdings Inc
Closed
12,389,615
$49,186,772,000
Hilton Worldwide Holdings Inc
Closed
337,500
$47,543,625,000
Weyerhaeuser Co Mtn Be
Closed
1,575,000
$47,454,750,000
Avalonbay Cmntys Inc
Closed
275,000
$46,216,500,000
Vistra Corp
68.95%
652,500
$45,446,625,000 0.99%
Boston Properties, Inc.
Closed
825,000
$44,649,000,000
General Mtrs Co
Closed
1,175,000
$43,099,000,000
Extra Space Storage Inc.
Closed
262,500
$42,769,125,000
CareTrust REIT Inc
Opened
1,713,694
$41,762,723,000 0.91%
Merck Co Inc
Opened
312,275
$41,204,686,000 0.90%
SBA Communications Corp
7.20%
185,600
$40,219,520,000 0.88%
Renew Energy Global Plc
Closed
6,524,256
$36,666,319,000
Equitrans Midstream Corporation
86.90%
2,914,153
$36,397,771,000 0.79%
Eastgroup Pptys Inc
67.26%
200,558
$36,054,312,000 0.79%
Beacon Roofing Supply Inc
Opened
365,000
$35,777,300,000 0.78%
AES Corp.
Opened
1,865,000
$33,439,450,000 0.73%
Charter Communications Inc N
390.49%
110,361
$32,074,217,000 0.70%
Sanofi
Opened
648,580
$31,520,988,000 0.69%
Equinix Inc
Opened
34,500
$28,473,885,000 0.62%
Biogen Inc
Opened
129,950
$28,021,119,000 0.61%
Fomento Economico Mexicano S
Opened
215,000
$28,008,050,000 0.61%
Healthpeak Properties Inc
Closed
1,250,000
$27,462,500,000
York Wtr Co
2.27%
745,384
$27,035,078,000 0.59%
UGI Corp.
Opened
1,000,000
$24,540,000,000 0.54%
Core Main Inc
Opened
425,000
$24,331,250,000 0.53%
Verizon Communications Inc
Opened
550,000
$23,078,000,000 0.50%
Pembina Pipeline Corporation
Opened
625,000
$22,062,352,000 0.48%
Crown Castle Inc
Opened
201,800
$21,356,494,000 0.47%
Dt Midstream Inc
52.11%
329,666
$20,142,593,000 0.44%
Eli Lilly Co
Opened
24,900
$19,371,204,000 0.42%
Astrazeneca plc
Opened
274,900
$18,624,475,000 0.41%
Wesco International, Inc.
Opened
105,000
$17,984,400,000 0.39%
Crescent Energy Company
Opened
1,490,000
$17,731,000,000 0.39%
ONE Gas Inc
Opened
262,500
$16,939,125,000 0.37%
Everest Group Ltd
Opened
42,500
$16,893,750,000 0.37%
Eaton Corp Plc
Opened
53,260
$16,653,337,000 0.36%
Rogers Communications Inc.
Closed
356,364
$16,515,715,000
Parker-Hannifin Corp.
Opened
29,420
$16,351,342,000 0.36%
Public Storage
81.50%
55,500
$16,098,330,000 0.35%
Corpay Inc
Opened
50,000
$15,427,000,000 0.34%
Kodiak Gas Svcs Inc
Opened
557,652
$15,246,206,000 0.33%
Skyward Specialty Ins Group
Closed
650,000
$14,215,500,000
Constellation Energy Corp
93.57%
72,100
$13,327,685,000 0.29%
Atlas Energy Solutions Inc
Closed
777,300
$13,237,419,000
Enbridge Inc
2,700.00%
350,000
$12,677,939,000 0.28%
PBF Energy Inc
Closed
287,500
$12,466,000,000
Brightspire Capital Inc
Closed
2,102,900
$12,407,110,000
Cadre Holdings, Inc.
Opened
331,225
$11,990,345,000 0.26%
Dominion Energy Inc
Closed
213,572
$11,940,811,000
Pentair plc
Opened
137,750
$11,769,360,000 0.26%
Prologis Inc
87.37%
90,000
$11,719,800,000 0.26%
Ionis Pharmaceuticals Inc
Opened
270,300
$11,717,505,000 0.26%
CRH Plc
Opened
135,640
$11,700,306,000 0.26%
Toll Brothers Inc.
Opened
90,000
$11,643,300,000 0.25%
Cable One Inc
Opened
27,050
$11,445,667,000 0.25%
nVent Electric plc
Opened
148,480
$11,195,392,000 0.24%
Brighthouse Finl Inc
Closed
250,000
$11,027,500,000
ON Semiconductor Corp.
Closed
133,500
$10,989,720,000
Hudson Pac Pptys Inc
Closed
1,612,500
$10,723,125,000
Opal Fuels Inc
11.53%
2,100,541
$10,544,716,000 0.23%
Digital Rlty Tr Inc
Opened
72,800
$10,486,112,000 0.23%
Autozone Inc.
Opened
3,200
$10,085,280,000 0.22%
Caterpillar Inc.
Opened
26,720
$9,791,010,000 0.21%
Simon Ppty Group Inc New
Opened
62,500
$9,780,625,000 0.21%
Diversified Healthcare Tr
Closed
7,227,335
$9,756,902,000
TD Synnex Corp
Closed
100,000
$9,679,000,000
Smith Douglas Homes Corp
Opened
325,000
$9,652,500,000 0.21%
Norfolk Southn Corp
82.81%
37,500
$9,557,625,000 0.21%
Edison Intl
Closed
125,000
$8,823,750,000
Applied Matls Inc
Closed
70,000
$8,598,100,000
Allegro Microsystems Inc
Opened
311,520
$8,398,579,000 0.18%
T-Mobile US, Inc.
Closed
57,500
$8,328,300,000
DCP Midstream LP
Closed
198,473
$8,280,294,000
Quanta Svcs Inc
Opened
31,070
$8,071,986,000 0.18%
Delek Us Hldgs Inc New
Closed
350,000
$8,032,500,000
California Wtr Svc Group
Opened
171,195
$7,957,144,000 0.17%
Johnson Ctls Intl Plc
Opened
120,940
$7,899,801,000 0.17%
ArcBest Corp
Opened
55,000
$7,837,500,000 0.17%
Middleby Corp.
Opened
48,490
$7,796,707,000 0.17%
Snap-on, Inc.
Opened
24,710
$7,319,596,000 0.16%
Booking Holdings Inc
Opened
2,000
$7,255,760,000 0.16%
Mohawk Inds Inc
Opened
55,000
$7,198,950,000 0.16%
Transdigm Group Incorporated
Opened
5,610
$6,909,276,000 0.15%
Azek Co Inc
Closed
293,000
$6,897,220,000
Expedia Group Inc
Opened
50,000
$6,887,500,000 0.15%
American Healthcare Reit Inc
Opened
425,000
$6,268,750,000 0.14%
Autonation Inc.
Opened
37,000
$6,126,460,000 0.13%
Avery Dennison Corp.
Opened
27,000
$6,027,750,000 0.13%
Celanese Corp
Opened
33,000
$5,671,380,000 0.12%
Nextracker Inc
Closed
153,500
$5,565,910,000
Terex Corp.
Opened
85,790
$5,524,876,000 0.12%
Cannae Holdings Inc
Closed
262,500
$5,297,250,000
DHT Holdings Inc
Opened
455,257
$5,235,456,000 0.11%
REV Group Inc
Opened
230,224
$5,085,648,000 0.11%
Spdr Sp 500 Etf Tr
Opened
9,500
$4,969,165,000 0.11%
Powerschool Holdings Inc
Closed
249,800
$4,951,036,000
Intel Corp.
Closed
150,000
$4,900,500,000
Microsoft Corporation
0.88%
11,300
$4,754,136,000 0.10%
Union Pac Corp
26.57%
18,100
$4,451,333,000 0.10%
4d Molecular Therapeutics In
Opened
138,800
$4,422,168,000 0.10%
Rexford Indl Rlty Inc
Opened
87,500
$4,401,250,000 0.10%
Evolus Inc
Opened
300,000
$4,200,000,000 0.09%
Immatics N.v
Opened
397,000
$4,172,470,000 0.09%
Viper Energy Inc
Opened
98,200
$3,776,772,000 0.08%
Syndax Pharmaceuticals Inc
Opened
155,000
$3,689,000,000 0.08%
Elme Communities
Opened
265,000
$3,688,800,000 0.08%
Essential Utils Inc
95.44%
98,400
$3,645,720,000 0.08%
R1 RCM Inc.
Opened
263,798
$3,397,718,000 0.07%
CSX Corp.
33.62%
77,100
$2,858,097,000 0.06%
Nxg Nextgen Infrastr Incm Fd
Closed
77,512
$2,842,365,000
Cytokinetics Inc
Opened
38,600
$2,706,246,000 0.06%
Lam Research Corp.
Closed
5,000
$2,650,600,000
Vertiv Holdings Co
Opened
30,000
$2,450,100,000 0.05%
ADT Inc
Opened
350,018
$2,352,121,000 0.05%
BridgeBio Pharma Inc
Opened
73,200
$2,263,344,000 0.05%
Americold Realty Trust Inc
Opened
83,100
$2,070,852,000 0.05%
Sana Biotechnology Inc
Opened
202,500
$2,025,000,000 0.04%
Tortoise Energy Infra Corp
10.71%
60,458
$1,868,757,000 0.04%
Immunome, Inc.
Opened
75,000
$1,851,000,000 0.04%
Asml Holding N V
Closed
2,600
$1,769,846,000
GMS Inc
Opened
15,000
$1,460,100,000 0.03%
Canadian Natl Ry Co
93.10%
11,000
$1,448,810,000 0.03%
Stag Indl Inc
Opened
37,500
$1,441,500,000 0.03%
Clean Energy Fuels Corp
Opened
525,000
$1,407,000,000 0.03%
Bbb Foods Inc
Opened
50,000
$1,189,000,000 0.03%
Alto Neuroscience Inc
Opened
75,000
$1,151,250,000 0.03%
Antero Midstream Corp
Closed
100,000
$1,049,000,000
UDR Inc
Opened
25,000
$935,250,000 0.02%
Hesai Group
Closed
60,000
$928,200,000
Middlesex Wtr Co
Closed
11,500
$898,380,000
Algonquin Pwr Utils Corp
Closed
100,000
$840,000,000
KalVista Pharmaceuticals Inc
Opened
70,000
$830,200,000 0.02%
Apartment Income REIT Corp.
88.89%
25,000
$811,750,000 0.02%
Tortoise Midstrm Energy Fd I
9.35%
18,465
$707,763,000 0.02%
Iovance Biotherapeutics Inc
Opened
43,500
$644,670,000 0.01%
Turnstone Biologics Corp
Opened
179,026
$469,048,000 0.01%
Tortoise Pipeline Energy F
9.86%
9,611
$303,901,000 0.01%
Tortoise Energy Independenc
8.68%
7,766
$261,870,000 0.01%
Encore Cap Group Inc
Opened
5,700
$259,977,000 0.01%
Tortoise Pwr Energy Infras
9.41%
13,599
$211,953,000 0.00%
No transactions found
Showing first 500 out of 179 holdings