Holocene Advisors, LP — 13F Holdings & Portfolio
CIK 1700574 · latest 13F-HR filed 2026-08-14
Holocene Advisors, LP manages $44.38B in 13F-reported U.S. long-equity assets across 789 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AMZN (7.53%), MSFT (3.60%), TSLA (3.37%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 245 new positions and exited 257; 291 existing positions rose in reported value and 202 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
$44.38B
Long-equity book
Holdings
789
Distinct positions
Period
2026-06-30
Filed 2026-08-14
Q/Q Activity
+245 / −257 / ↑291 / ↓202
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26AMZN7.6% · +6%MSFT3.7% · +283%TSLA3.4% · 0%NVDA2.8% · -35%GE1.7% · +30%AMD1.6% · +528%DHR1.6% · -11%V1.5% · -10%SHW1.4% · +43%PH1.2% · +14%XOM1.1% · -15%SOXX1.1% · newAZN1.1% · -9%CSX1.0% · +93%STX1.0% · -58%MMM1.0% · +509%GILD0.9% · +23%HLT0.9% · -21%STLD0.9% · -28%CVX0.8% · +230%NBIS0.8% · newURI0.8% · +80%PLTR0.7% · -20%WAT0.7% · -8%ISRG0.7% · -25%KLAC0.7% · newCVS0.7% · -33%FERG0.7% · +33%GOOGL0.7% · -18%TGT0.7% · +948%LMT0.7% · +57%ROK0.7% · -26%EW0.7% · +325%COF0.6% · +713%ABNB0.6% · +147%AMAT0.6% · -47%BRK.B0.6% · 0%DHI0.6% · +45%RVMD0.6% · -45%GEV0.6% · -69%CPNG0.6% · -22%IVV0.6% · newDG0.6% · +79%FLEX0.5% · +531%GS0.5% · newRSG0.5% · -44%ABT0.5% · +215%WFC0.5% · newMS0.5% · +72%TOL0.5% · +26%PFGC0.5% · +183%AZO0.5% · +10%WELL0.5% · +116%GKOS0.5% · +10%LLY0.5% · -6%SHEL0.5% · newCHD0.5% · +121%CRS0.4% · -43%ALKS0.4% · +55%SNDK0.4% · -73%
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 valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated 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 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 26.5%Cumulative share of the portfolio held in the largest N positions.
Firm Profile & Key People
As of the firm’s regulatory filing dated Mar 27, 2026.
Assets Under Management
$50.43B
Discretionary
$50.43B
Employees
115
Accounts
7
Address
15 EAST 26TH ST.
8TH FLOOR
NEW YORK, NY 10010
8TH FLOOR
NEW YORK, NY 10010
Phone
(646) 779-6420
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| ALBERT, ERIC, MILO Control | CHIEF COMPLIANCE OFFICER & LEGAL COUNSEL since May 2021 | Less than 5% | Individual |
| ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 Control | LIMITED PARTNER since May 2018 | 25–50% | Domestic Entity |
| BOSTON, ALBERT, EDWARD Control | CHIEF OPERATING OFFICER since Jan 2025 | Less than 5% | Individual |
| FLETT HALEY GRANTOR RETAINED ANNUITY TRUST Control | LIMITED PARTNER since May 2018 | 50–75% | Domestic Entity |
| FORTUNE, BRIAN, HOWARD Control | GENERAL COUNSEL since Nov 2016 | Less than 5% | Individual |
| HALEY, JOHN, BRANDON Control | CHIEF INVESTMENT OFFICER since Mar 2016 | 25–50% | Individual |
| HALEY, JOHN, BRANDON Control | TRUSTEE, ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 since May 2018 | 25–50% | Individual |
| HOLOCENE GP, LLC Control | GENERAL PARTNER since Mar 2016 | Less than 5% | Domestic Entity |
| SONI, VISHAL, GIRISHKUMAR Control | CHIEF RISK OFFICER since Sep 2016 | Less than 5% | Individual |
| WALBRIDGE, BRADLEY, MARK Control | CHIEF FINANCIAL OFFICER since Oct 2016 | Less than 5% | Individual |
| FLETT, ANNA, LAURA | TRUSTEE, FLETT HALEY GRANTOR RETAINED ANNUITY TRUST since Mar 2022 | 50–75% | Individual |
| Marcus, Jennifer, Esther | TRUSTEE, FLETT HALEY GRANTOR RETAINED ANNUITY TRUST since Jun 2023 | 50–75% | Individual |
| Marcus, Jennifer, Esther | TRUSTEE, ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 since Jun 2023 | 25–50% | Individual |
| HALEY, JOHN, BRANDON Control Indirect owner via HOLOCENE GP, LLC | MANAGING MEMBER since Apr 2016 | 25–50% | Individual |
| HALEY, JOHN, BRANDON Control Indirect owner via ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 | TRUSTEE since May 2018 | 25–50% | Individual |
| FLETT, ANNA, LAURA Indirect owner via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST | TRUSTEE since Mar 2022 | 50–75% | Individual |
| Marcus, Jennifer, Esther Indirect owner via ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 | TRUSTEE since Jun 2023 | 25–50% | Individual |
| Marcus, Jennifer, Esther Indirect owner via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST | TRUSTEE since Jun 2023 | 50–75% | Individual |
Ownership & leadership changes · 6 filings with changes since Mar 19, 2017
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
Jan 7, 2025 filing
- No longer listedDAILEY, JULIA, BRAUNSTEIN · CHIEF OPERATING OFFICER · Less than 5% · control person · listed since Jul 2016
- AddedBOSTON, ALBERT, EDWARD · CHIEF OPERATING OFFICER · Less than 5% · control person
Jun 21, 2023 filing
- AddedMarcus, Jennifer, Esther · TRUSTEE, ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 / TRUSTEE, FLETT HALEY GRANTOR RETAINED ANNUITY TRUST · 50–75%
- AddedMarcus, Jennifer, Esther · TRUSTEE · 25–50% · indirect via ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016
- AddedMarcus, Jennifer, Esther · TRUSTEE · 50–75% · indirect via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST
Mar 30, 2022 filing
- No longer listedHALEY, JOHN, BRANDON · TRUSTEE · 75% or more · indirect via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST · control person · listed since May 2018
- AddedFLETT, ANNA, LAURA · TRUSTEE · 50–75% · indirect via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST
- AddedFLETT, ANNA, LAURA · TRUSTEE, FLETT HALEY GRANTOR RETAINED ANNUITY TRUST · 50–75%
- ChangedHALEY, JOHN, BRANDON · title CHIEF INVESTMENT OFFICER / TRUSTEE, ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 / TRUSTEE, FLETT HALEY GRANTOR RETAINED ANNUITY TRUST → CHIEF INVESTMENT OFFICER / TRUSTEE, ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016; ownership 75% or more → 25–50%
- ChangedHALEY, JOHN, BRANDON · indirect via HOLOCENE GP, LLC: ownership 75% or more → 25–50%
- ChangedHALEY, JOHN, BRANDON · indirect via ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016: ownership 75% or more → 25–50%
May 5, 2021 filing
- AddedALBERT, ERIC, MILO · CHIEF COMPLIANCE OFFICER & LEGAL COUNSEL · Less than 5% · control person
- ChangedFORTUNE, BRIAN, HOWARD · title GENERAL COUNSEL/CHIEF COMPLIANCE OFFICER → GENERAL COUNSEL
Mar 29, 2019 filing
- ChangedHALEY, JOHN, BRANDON · ownership Less than 5% → 75% or more
- ChangedHALEY, JOHN, BRANDON · indirect via ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016: ownership General partner, trustee or manager → 75% or more
- ChangedHALEY, JOHN, BRANDON · indirect via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST: ownership General partner, trustee or manager → 75% or more
May 9, 2018 filing
- AddedANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 · LIMITED PARTNER · 25–50% · control person
- AddedFLETT HALEY GRANTOR RETAINED ANNUITY TRUST · LIMITED PARTNER · 50–75% · control person
- AddedHALEY, JOHN, BRANDON · TRUSTEE · General partner, trustee or manager · indirect via ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 · control person
- AddedHALEY, JOHN, BRANDON · TRUSTEE · General partner, trustee or manager · indirect via FLETT HALEY GRANTOR RETAINED ANNUITY TRUST · control person
- ChangedHALEY, JOHN, BRANDON · title CHIEF INVESTMENT OFFICER → CHIEF INVESTMENT OFFICER / TRUSTEE, ANNA FLETT IRREVOCABLE FAMILY TRUST OF 2016 / TRUSTEE, FLETT HALEY GRANTOR RETAINED ANNUITY TRUST; ownership 75% or more → Less than 5%
Mar 19, 2017 filing (earliest on record)
- ListedDAILEY, JULIA, BRAUNSTEIN · CHIEF OPERATING OFFICER · Less than 5% · control person
- ListedFORTUNE, BRIAN, HOWARD · GENERAL COUNSEL/CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ListedHALEY, JOHN, BRANDON · CHIEF INVESTMENT OFFICER · 75% or more · control person
- ListedHALEY, JOHN, BRANDON · MANAGING MEMBER · 75% or more · indirect via HOLOCENE GP, LLC · control person
- ListedHOLOCENE GP, LLC · GENERAL PARTNER · Less than 5% · control person
- ListedSONI, VISHAL, GIRISHKUMAR · CHIEF RISK OFFICER · Less than 5% · control person
- ListedWALBRIDGE, BRADLEY, MARK · CHIEF FINANCIAL OFFICER · Less than 5% · control person
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)
- MICROSOFT CORP$1.18B +285.5%
- ADVANCED MICRO DEVICES INC$654.7M +1693.7%
- AMAZON COM INC$592.9M +21.6%
- 3M CO$377.8M +578.9%
- GE AEROSPACE$308.1M +71.3%
Top Trims
- NVIDIA CORPORATION-$422.6M -25.8%
- MASTERCARD INCORPORATED-$381.3M -94.8%
- GE VERNOVA INC-$344.5M -58.2%
- EXXON MOBIL CORP-$230.5M -31.7%
- MICROCHIP TECHNOLOGY INC.-$207.3M -71.1%
New Positions
- ISHARES TR$487.0M
- NEBIUS GROUP N.V.$332.3M
- KLA CORP$310.8M
- ISHARES TR$244.1M
- GOLDMAN SACHS GROUP INC$232.6M
Exited Positions
- APPLE INC$632.7M
- PEPSICO INC$546.6M
- GSK PLC$304.6M
- FEDEX CORP$281.8M
- META PLATFORMS INC$278.7M
Holocene Advisors, LP 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 | AMAZON COM INC | AMZN | 023135106 | $3.34B | 7.53% | 14,012,902 | SH |
| 2 | MICROSOFT CORP | MSFT | 594918104 | $1.60B | 3.60% | 4,277,000 | SH |
| 3 | TESLA INC | TSLA | 88160R101 | $1.50B | 3.37% | 3,555,000 | SH |
| 4 | NVIDIA CORPORATION | NVDA | 67066G104 | $1.22B | 2.74% | 6,083,601 | SH |
| 5 | GE AEROSPACE | GE | 369604301 | $740.0M | 1.67% | 1,980,168 | SH |
| 6 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $693.3M | 1.56% | 1,193,476 | SH |
| 7 | DANAHER CORP DEL | DHR | 235851102 | $684.4M | 1.54% | 3,592,798 | SH |
| 8 | VISA INC | V | 92826C839 | $668.6M | 1.51% | 1,948,740 | SH |
| 9 | SHERWIN WILLIAMS CO | SHW | 824348106 | $614.0M | 1.38% | 1,783,097 | SH |
| 10 | PARKER-HANNIFIN CORP | PH | 701094104 | $516.2M | 1.16% | 527,714 | SH |
| 11 | EXXON MOBIL CORP | XOM | 30231G102 | $496.7M | 1.12% | 3,632,979 | SH |
| 12 | ISHARES TR | SOXX | 464287523 | $487.0M | 1.10% | 760,000 | SH |
| 13 | ASTRAZENECA PLC | AZN | G0593M107 | $460.7M | 1.04% | 2,429,349 | SH |
| 14 | CSX CORP | CSX | 126408103 | $458.3M | 1.03% | 9,641,428 | SH |
| 15 | SEAGATE TECHNOLOGY HLDNGS PL | STX | G7997R103 | $444.1M | 1.00% | 460,184 | SH |
| 16 | 3M CO | MMM | 88579Y101 | $443.0M | 1.00% | 2,736,218 | SH |
| 17 | GILEAD SCIENCES INC | GILD | 375558103 | $406.4M | 0.92% | 3,216,892 | SH |
| 18 | HILTON WORLDWIDE HLDGS INC | HLT | 43300A203 | $405.7M | 0.91% | 1,227,722 | SH |
| 19 | STEEL DYNAMICS INC | STLD | 858119100 | $378.3M | 0.85% | 1,648,753 | SH |
| 20 | CHEVRON CORPORATION | CVX | 166764100 | $352.3M | 0.79% | 2,125,327 | SH |
| 21 | NEBIUS GROUP N.V. | NBIS | N97284108 | $332.3M | 0.75% | 1,203,154 | SH |
| 22 | UNITED RENTALS INC | URI | 911363109 | $330.1M | 0.74% | 291,394 | SH |
| 23 | PALANTIR TECHNOLOGIES INC | PLTR | 69608A108 | $319.0M | 0.72% | 2,734,000 | SH |
| 24 | WATERS CORP | WAT | 941848103 | $317.9M | 0.72% | 847,774 | SH |
| 25 | INTUITIVE SURGICAL INC | ISRG | 46120E602 | $310.8M | 0.70% | 781,465 | SH |
| 26 | KLA CORP | KLAC | 482480100 | $310.8M | 0.70% | 1,030,000 | SH |
| 27 | CVS HEALTH CORP | CVS | 126650100 | $310.5M | 0.70% | 3,001,684 | SH |
| 28 | FERGUSON ENTERPRISES INC | FERG | 31488V107 | $308.2M | 0.69% | 1,298,505 | SH |
| 29 | ALPHABET INC | GOOGL | 02079K305 | $306.0M | 0.69% | 856,143 | SH |
| 30 | TARGET CORP | TGT | 87612E106 | $305.3M | 0.69% | 2,337,852 | SH |
| 31 | LOCKHEED MARTIN CORP | LMT | 539830109 | $290.6M | 0.65% | 570,452 | SH |
| 32 | ROCKWELL AUTOMATION INC | ROK | 773903109 | $290.2M | 0.65% | 586,073 | SH |
| 33 | EDWARDS LIFESCIENCES CORP | EW | 28176E108 | $284.0M | 0.64% | 3,139,285 | SH |
| 34 | CAPITAL ONE FINL CORP | COF | 14040H105 | $281.6M | 0.63% | 1,403,424 | SH |
| 35 | AIRBNB INC | ABNB | 009066101 | $279.3M | 0.63% | 1,951,914 | SH |
| 36 | APPLIED MATLS INC | AMAT | 038222105 | $267.4M | 0.60% | 369,894 | SH |
| 37 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $263.7M | 0.59% | 527,000 | SH |
| 38 | D R HORTON INC | DHI | 23331A109 | $255.2M | 0.58% | 1,566,685 | SH |
| 39 | REVOLUTION MEDICINES INC | RVMD | 76155X100 | $254.6M | 0.57% | 1,359,269 | SH |
| 40 | GE VERNOVA INC | GEV | 36828A101 | $247.8M | 0.56% | 210,914 | SH |
| 41 | COUPANG INC | CPNG | 22266T109 | $245.5M | 0.55% | 14,135,375 | SH |
| 42 | ISHARES TR | IVV | 464287200 | $244.1M | 0.55% | 326,000 | SH |
| 43 | DOLLAR GEN CORP | DG | 256677105 | $240.3M | 0.54% | 2,087,289 | SH |
| 44 | FLEX LTD | FLEX | Y2573F102 | $233.9M | 0.53% | 1,443,212 | SH |
| 45 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $232.6M | 0.52% | 230,000 | SH |
| 46 | REPUBLIC SVCS INC | RSG | 760759100 | $226.6M | 0.51% | 1,063,294 | SH |
| 47 | ABBOTT LABORATORIES | ABT | 002824100 | $226.0M | 0.51% | 2,490,670 | SH |
| 48 | WELLS FARGO & CO | WFC | 949746101 | $220.1M | 0.50% | 2,663,586 | SH |
| 49 | MORGAN STANLEY | MS | 617446448 | $220.0M | 0.50% | 1,052,219 | SH |
| 50 | TOLL BROTHERS INC | TOL | 889478103 | $219.3M | 0.49% | 1,331,245 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $44.38B | 789 | 0001172661-26-003735 |
| 2026-03-31 | 2026-05-15 | $41.46B | 797 | 0001172661-26-002328 |
| 2025-12-31 | 2026-02-17 | $47.62B | 727 | 0001172661-26-001069 |
| 2025-09-30 | 2025-11-14 | $43.89B | 732 | 0001172661-25-005031 |
Filer Information
Address
15 EAST 26TH STREET, 8TH FLOORNEW YORK, NY 10010
Phone
(646) 779-6439
Filing Manager
Holocene Advisors, LP
New York, NY
Signatory
Eric M. Albert
Chief Compliance Officer