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Liberty Mutual Group Asset Management Inc. — 13F Holdings & Portfolio

CIK 1533497 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Liberty Mutual Group Asset Management Inc. manages $1.15B in 13F-reported U.S. long-equity assets across 82 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SRLN (10.03%), FRVO (9.90%), IEF (8.70%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 13 new positions and exited 2; 9 existing positions rose in reported value and 6 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$1.15B

Long-equity book

Holdings
82

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+13 / −2 / ↑9 / ↓6

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SRLN16.5% · +56%VOO11.8% · -7%FRVO9.9% · newIEF9.8% · 0%HYG7.5% · 0%SPY7.3% · +114%QXO6.2% · 0%USHY4.8% · 0%CRGY3.6% · -88%USIG3.2% · 0%ACWI2.6% · newOBDC2.5% · 0%KARD2.5% · newAGG2.4% · newBKLN2.2% · 0%OPI1.9% · newUBER1.1% · newNOW0.7% · +176%AFRM0.5% · 0%ARCC0.4% · 0%DDOG0.3% · newNINE0.3% · 0%NAVN0.3% · newHOOD0.3% · newMSDL0.3% · 0%KORE0.3% · 0%SMC0.2% · 0%TTAN0.1% · newNBIS0.1% · newFIG0.1% · newCRCL0.0% · -56%PL0.0% · -96%BLND0.0% · newRBRK0.0% · -5%OPEN0.0% · 0%RYTM0.0% · -96%GCTS.WS0.0% · 0%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 80.6%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$83.00B
Discretionary
$78.41B
Employees
200
Accounts
100
Address
157 BERKELEY STREET
BOSTON, MA 02116
Phone
(617) 357-9500
Mailing Address
175 BERKELEY STREET M/S T20A, BOSTON, MA, 02116
Name Title / Status Ownership Type
BHALLA, NEETI ControlEXECUTIVE VICE PRESIDENTLess than 5%Individual
FITZHENRY, SCOTT, DOUGLAS ControlCHIEF COMPLIANCE OFFICERLess than 5%Individual
FONTANES, ANTHONY, ALEXANDER ControlDIRECTOR, CHIEF EXECUTIVE OFFICER & PRESIDENTLess than 5%Individual
HAYTER, DAVID, GERALD ControlTREASURER, ASST. SECRETARY & CHIEF OPERATIONS OFFICERLess than 5%Individual
KELLEHER, JAMES, FRANCIS ControlDIRECTORLess than 5%Individual
LANGWELL, DENNIS, JAMES ControlDIRECTORLess than 5%Individual
LEGG, DEXTER, ROBERT ControlDIRECTOR & SECRETARYLess than 5%Individual
LIBERTY MUTUAL GROUP INC. ControlSOLE SHAREHOLDER75% or moreDomestic Entity
LIBERTY MUTUAL HOLDING COMPANY INC. ControlOWNER75% or moreDomestic Entity
LMHC MASSACHUSETTS HOLDINGS INC. ControlOWNER75% or moreDomestic Entity
LONG, DAVID, HENRY ControlDIRECTOR & CHAIRMAN OF THE BOARDLess than 5%Individual
RUSSELL, MICHAEL, PATRICK ControlCHIEF FINANCIAL OFFICERLess than 5%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 9 →

Top Trims

Show all 6 →

New Positions

Show all 13 →

Exited Positions

Show all 2 →

Liberty Mutual Group Asset Management Inc. Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 SSGA ACTIVE ETF TR SRLN 78467V608 $115.0M 10.03% 2,853,184 SH
2 FERVO ENERGY CO FRVO 31556C106 $113.4M 9.90% 3,880,626 SH
3 ISHARES TR IEF 464287440 $99.7M 8.70% 1,054,379 SH
4 QXO INC QXO 82846H405 $70.6M 6.16% 4,082,787 SH
5 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $61.9M 5.41% 82,952 SH
6 VANGUARD INDEX FDS VOO 922908363 $54.5M 4.76% 79,316 SH
7 ISHARES TR HYG 464288513 $53.8M 4.70% 672,675 SH
8 SSGA ACTIVE ETF TR SRLN 78467V608 $48.0M 4.19% 1,191,000 SH
9 CRESCENT ENERGY COMPANY CRGY 44952J104 $41.4M 3.61% 4,213,628 SH
10 VANGUARD INDEX FDS VOO 922908363 $41.2M 3.60% 60,057 SH
11 VANGUARD INDEX FDS VOO 922908363 $39.8M 3.47% 57,950 SH
12 ISHARES TR USIG 464288620 $36.7M 3.20% 714,850 SH
13 ISHARES TR USHY 46435U853 $30.2M 2.64% 815,792 SH
14 ISHARES TR ACWI 464288257 $29.5M 2.58% 188,000 SH
15 BLUE OWL CAPITAL CORPORATION OBDC 69121K104 $29.0M 2.53% 2,669,872 SH
16 KARDIGAN INC KARD 485925101 $28.5M 2.49% 1,196,411 SH
17 ISHARES TR AGG 464287226 $27.2M 2.38% 275,000 SH
18 INVESCO EXCH TRADED FD TR II BKLN 46138G508 $25.0M 2.18% 1,225,000 SH
19 ISHARES TR HYG 464288513 $22.4M 1.95% 279,645 SH
20 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $21.8M 1.90% 29,141 SH
21 SSGA ACTIVE ETF TR SRLN 78467V608 $12.2M 1.07% 303,979 SH
22 ISHARES TR IEF 464287440 $12.1M 1.06% 128,128 SH
23 ISHARES TR USHY 46435U853 $11.1M 0.97% 300,443 SH
24 ISHARES TR HYG 464288513 $9.5M 0.83% 118,913 SH
25 SSGA ACTIVE ETF TR SRLN 78467V608 $9.5M 0.83% 235,660 SH
26 ISHARES TR USHY 46435U853 $9.2M 0.80% 248,763 SH
27 OFFICE PPTYS INCOME TR OPI 67623C307 $6.9M 0.60% 404,928 SH
28 OFFICE PPTYS INCOME TR OPI 67623C307 $6.4M 0.56% 379,055 SH
29 SERVICENOW INC NOW 81762P102 $6.3M 0.55% 63,785 SH
30 UBER TECHNOLOGIES INC UBER 90353TAM2 $5.3M 0.46% 4,400,000 SH
31 ARES CAPITAL CORP ARCC 04010L103 $5.0M 0.43% 267,446 SH
32 SSGA ACTIVE ETF TR SRLN 78467V608 $4.7M 0.41% 116,000 SH
33 ISHARES TR USHY 46435U853 $4.4M 0.39% 120,002 SH
34 AFFIRM HLDGS INC AFRM 00827B106 $4.3M 0.38% 53,184 SH
35 UBER TECHNOLOGIES INC UBER 90353TAM2 $3.6M 0.32% 3,050,000 SH
36 MORGAN STANLEY DIRECT LENDIN MSDL 61774A103 $3.1M 0.27% 204,770 SH
37 KORE GROUP HLDGS INC KORE 50066V305 $2.9M 0.26% 319,600 SH
38 OFFICE PPTYS INCOME TR OPI 67623C307 $2.9M 0.25% 170,787 SH
39 DATADOG INC DDOG 23804L103 $2.8M 0.24% 10,611 SH
40 NAVAN INC NAVN 639193101 $2.6M 0.22% 112,062 SH
41 ROBINHOOD MKTS INC HOOD 770700102 $2.3M 0.20% 23,065 SH
42 UBER TECHNOLOGIES INC UBER 90353TAM2 $2.3M 0.20% 1,900,000 SH
43 OFFICE PPTYS INCOME TR OPI 67623C307 $2.2M 0.20% 132,281 SH
44 SERVICENOW INC NOW 81762P102 $2.1M 0.18% 21,262 SH
45 OFFICE PPTYS INCOME TR OPI 67623C307 $2.1M 0.18% 122,963 SH
46 NINE ENERGY SERVICE INC NINE 65441V200 $1.5M 0.13% 112,483 SH
47 SUMMIT MIDSTREAM CORPORATION SMC 86614G101 $1.5M 0.13% 50,940 SH
48 NEBIUS GROUP N.V. NBIS N97284108 $1.4M 0.12% 4,988 SH
49 SERVICETITAN INC TTAN 81764X103 $1.3M 0.12% 18,692 SH
50 AFFIRM HLDGS INC AFRM 00827B106 $1.3M 0.12% 16,190 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.15B 82 0001193125-26-350773
2026-03-31 2026-05-15 $1.25B 57 0001193125-26-225322
2025-12-31 2026-02-13 $1.05B 44 0001193125-26-050451
2025-09-30 2025-11-13 $314.5M 19 0001193125-25-280156
Filer Information
Address
175 BERKELEY STREET
BOSTON, MA 02116
Phone
(617) 357-9500
Filing Manager
Liberty Mutual Group Asset Management Inc.
Boston, MA
Signatory
Scott D. Fitzhenry
Chief Compliance Officer, Investments