Aigen Investment Management, LP
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 13, 2026), Aigen Investment Management, LP reported 550 stock positions worth $432.0 million. Its top holding was Microsoft (MSFT) at 1.9% of the portfolio, followed by BlackRock (BLK, 1.7%) and Procter & Gamble (PG, 1.3%). Compared with Q3 2025, it opened 278 new positions, sold out of 492, added to 92 and reduced 180. The biggest buy was a new position in BlackRock (BLK) and the biggest sale an exit from Meta Platforms Class A (META).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001741224
- Portfolio Value
- $432.0M (Q4 2025)
- SEC Filing
- 0001420506-26-000345 ↗ filed Feb 13, 2026
Holdings Value
Holdings 550 stocks · $432.0M
| MSFT Microsoft Corp. | 1.85% | 16,568 | $8.0M | Add +50.5% |
| BLK BlackRock Inc. | 1.74% | 7,038 | $7.5M | New |
| PG The Procter & Gamble Co. | 1.25% | 37,737 | $5.4M | New |
| AMZN Amazon.com Inc. | 1.23% | 22,940 | $5.3M | Add +59.3% |
| NFLX Netflix Inc. | 1.22% | 56,277 | $5.3M | Add +95.3% |
| KEY Keycorp | 1.19% | 248,609 | $5.1M | Add +145.4% |
| IBN Icici Bank Ltd.-Spon ADR | 1.13% | 163,836 | $4.9M | Add +1417.4% |
| MSI Motorola Solutions Inc. | 1.06% | 11,952 | $4.6M | Add +2400.4% |
| NVDA Nvidia Corp. | 1.03% | 23,786 | $4.4M | Add +0.7% |
| VEEV Veeva Systems Inc. Class A | 0.99% | 19,217 | $4.3M | Add +738.8% |
| HBAN Huntington Bancshares Inc. | 0.96% | 239,866 | $4.2M | Add +181.8% |
| EOG EOG Resources Inc. | 0.94% | 38,768 | $4.1M | Add +172.0% |
| KMI Kinder Morgan Inc. | 0.87% | 137,149 | $3.8M | New |
| ADP Automatic Data Processing | 0.87% | 14,646 | $3.8M | New |
| LIN Linde PLC | 0.83% | 8,378 | $3.6M | Add +35.8% |
| MS Morgan Stanley | 0.79% | 19,281 | $3.4M | New |
| BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP | 0.79% | 29,436 | $3.4M | Add +722.9% |
| MCD McDonald's Corp. | 0.77% | 10,847 | $3.3M | Add +1310.5% |
| MRSH Marsh & McLennan Cos | 0.75% | 17,425 | $3.2M | New |
| OMC Omnicom Group | 0.74% | 39,833 | $3.2M | New |
| GE General Electric filed as GE AEROSPACE | 0.74% | 10,341 | $3.2M | New |
| KVUE Kenvue Inc. | 0.71% | 179,042 | $3.1M | Add +58.5% |
| SYY Sysco Corp. | 0.70% | 41,105 | $3.0M | New |
| GNTX Gentex Corp. | 0.68% | 126,458 | $2.9M | New |
| UNH Unitedhealth Group Inc. | 0.65% | 8,562 | $2.8M | Add +270.2% |
| FIS Fidelity National Info Serv | 0.64% | 41,915 | $2.8M | Reduce -17.3% |
| URI United Rentals Inc. | 0.64% | 3,406 | $2.8M | New |
| ORLY O'reilly Automotive Inc. | 0.61% | 29,045 | $2.6M | Reduce -33.2% |
| PH Parker Hannifin Corp. | 0.61% | 3,005 | $2.6M | New |
| ETN Eaton Corp. PLC | 0.60% | 8,180 | $2.6M | New |
| CARR Carrier Global Corp. | 0.60% | 49,268 | $2.6M | Add +0.3% |
| LVS Las Vegas Sands Corp. | 0.60% | 39,570 | $2.6M | Add +56.8% |
| ACM Aecom | 0.59% | 26,599 | $2.5M | New |
| CCI Crown Castle Inc. | 0.59% | 28,442 | $2.5M | Add +28.0% |
| FWONK Liberty Media Corp. Class C | 0.57% | 25,215 | $2.5M | New |
| CPRT Copart Inc. | 0.57% | 63,354 | $2.5M | New |
| AAPL Apple Inc. | 0.57% | 9,113 | $2.5M | Reduce -26.4% |
| NSC Norfolk Southern Corp. | 0.57% | 8,558 | $2.5M | Reduce -42.7% |
| CAH Cardinal Health Inc. | 0.57% | 11,954 | $2.5M | New |
| WMB Williams Cos Inc. | 0.56% | 40,358 | $2.4M | Add +13.8% |
| MPC Marathon Petroleum Corp. | 0.55% | 14,565 | $2.4M | New |
| COST Costco Wholesale Corp. | 0.54% | 2,723 | $2.3M | New |
| AEP American Electric Power | 0.54% | 20,098 | $2.3M | New |
| AMD Advanced Micro Devices | 0.53% | 10,759 | $2.3M | Add +53.1% |
| NOC Northrop Grumman Corp. | 0.50% | 3,780 | $2.2M | Add +104.1% |
| BMY Bristol-Myers Squibb Co. | 0.49% | 39,302 | $2.1M | Reduce -3.6% |
| PFE Pfizer Inc. | 0.48% | 83,314 | $2.1M | New |
| UAL United Airlines Holdings Inc. | 0.48% | 18,492 | $2.1M | Add +21.4% |
| SNX TD Synnex Corp. | 0.47% | 13,651 | $2.1M | New |
| BNTX Biontech SE-ADR | 0.46% | 20,988 | $2.0M | New |
| ROST Ross Stores Inc. | 0.45% | 10,850 | $2.0M | New |
| GIS General Mills Inc. | 0.43% | 39,996 | $1.9M | New |
| HOOD Robinhood Markets Inc. Class A | 0.42% | 15,902 | $1.8M | New |
| VZ Verizon Communications Inc. | 0.41% | 43,113 | $1.8M | New |
| CDW CDW Corp. | 0.40% | 12,828 | $1.7M | Reduce -40.8% |
| RL Ralph Lauren Corp. | 0.40% | 4,858 | $1.7M | Add +90.5% |
| MTN Vail Resorts Inc. | 0.39% | 12,811 | $1.7M | New |
| FISV Fiserv Inc. | 0.39% | 25,303 | $1.7M | Reduce -25.9% |
| LULU Lululemon Athletica Inc. | 0.37% | 7,764 | $1.6M | New |
| AXS Axis Capital Holdings Ltd. | 0.37% | 15,036 | $1.6M | Add +59.2% |
| JBHT Hunt (jb) Transprt SVCS Inc. | 0.37% | 8,222 | $1.6M | Add +363.7% |
| RSG Republic Services Inc. | 0.37% | 7,514 | $1.6M | New |
| VSXY Victoria's Secret & Co. | 0.37% | 29,301 | $1.6M | New |
| AVA Avista Corp. | 0.36% | 40,871 | $1.6M | New |
| WMT Walmart Inc. | 0.36% | 14,096 | $1.6M | Add +13.7% |
| CRS Carpenter Technology | 0.36% | 4,988 | $1.6M | Add +128.4% |
| DEO Diageo PLC-Sponsored ADR | 0.36% | 17,937 | $1.5M | Add +192.5% |
| MDGL Madrigal Pharmaceuticals Inc. | 0.36% | 2,652 | $1.5M | Add +353.3% |
| BBY Best Buy Co. Inc. | 0.36% | 23,039 | $1.5M | New |
| OTIS Otis Worldwide Corp. | 0.35% | 17,363 | $1.5M | Reduce -40.3% |
| AEE Ameren Corporation | 0.35% | 15,177 | $1.5M | New |
| RKT Rocket Cos Inc. Class A | 0.35% | 78,192 | $1.5M | New |
| MET Metlife Inc. | 0.35% | 19,144 | $1.5M | New |
| GOOG Alphabet Inc. Class C | 0.35% | 4,812 | $1.5M | Reduce -18.3% |
| SAP Sap SE-Sponsored ADR | 0.35% | 6,212 | $1.5M | New |
| VICI Vici Properties Inc. filed as VICI PPTYS INC | 0.35% | 53,545 | $1.5M | New |
| TSLA Tesla Inc. | 0.35% | 3,328 | $1.5M | Reduce -32.8% |
| EXPD Expeditors Intl Wash Inc. | 0.34% | 9,922 | $1.5M | New |
| NET Cloudflare Inc. Class A | 0.33% | 7,305 | $1.4M | Add +133.6% |
| KLAC KLA Corp. | 0.32% | 1,155 | $1.4M | New |
| EBAY eBay Inc. | 0.31% | 15,407 | $1.3M | Reduce -38.3% |
| SHW The Sherwin-Williams Co. | 0.31% | 4,102 | $1.3M | New |
| SO The Southern Co. | 0.31% | 15,230 | $1.3M | New |
| RTX RTX Corp. | 0.30% | 7,154 | $1.3M | New |
| SE Sea Ltd.-ADR | 0.30% | 10,178 | $1.3M | Add +30.5% |
| VFC VF Corp. | 0.30% | 71,774 | $1.3M | New |
| EFX Equifax Inc. | 0.30% | 5,906 | $1.3M | Add +99.2% |
| AMT American Tower Corp. | 0.30% | 7,281 | $1.3M | Reduce -4.8% |
| KEYS Keysight Technologies Inc. | 0.29% | 6,262 | $1.3M | New |
| MNST Monster Beverage Corp. | 0.29% | 16,573 | $1.3M | New |
| SM SM Energy Co. | 0.29% | 67,059 | $1.3M | New |
| AEO American Eagle Outfitters | 0.29% | 47,334 | $1.2M | New |
| TDY Teledyne Technologies Inc. | 0.29% | 2,422 | $1.2M | New |
| RIG Transocean Ltd. | 0.29% | 298,235 | $1.2M | Add +228.5% |
| SGI Somnigroup International Inc. | 0.28% | 13,427 | $1.2M | New |
| FIVE Five Below | 0.28% | 6,322 | $1.2M | Reduce -20.5% |
| SPXC SPX Technologies Inc. | 0.28% | 5,941 | $1.2M | New |
| SYK Stryker Corp. | 0.27% | 3,375 | $1.2M | Add +188.2% |
| SPOT Spotify Technology SA | 0.27% | 2,035 | $1.2M | New |
| DY Dycom Industries Inc. | 0.27% | 3,414 | $1.2M | New |
Portfolio Sells Q3 2025 → Q4 2025
| META Meta Platforms Inc. Class A | Sold out | 0.00% | −1.10 |
| HON Honeywell International Inc. | Sold out | 0.00% | −1.10 |
| NRG NRG Energy Inc. | Sold out | 0.00% | −0.92 |
| BSX Boston Scientific Corp. | Reduce -91.4% | 0.13% | −0.91 |
| SCHW Schwab (charles) Corp. | Sold out | 0.00% | −0.84 |
| KDP Keurig Dr Pepper Inc. | Sold out | 0.00% | −0.82 |
| C Citigroup Inc. | Reduce -92.5% | 0.10% | −0.69 |
| CB Chubb Ltd. | Sold out | 0.00% | −0.68 |
| DINO HF Sinclair Corp. | Sold out | 0.00% | −0.68 |
| TMUS T-Mobile US Inc. | Sold out | 0.00% | −0.66 |
| CW Curtiss-Wright Corp. | Sold out | 0.00% | −0.62 |
| CRM Salesforce Inc. | Sold out | 0.00% | −0.59 |
| GLPI Gaming and Leisure Propertie | Sold out | 0.00% | −0.56 |
| WCN Waste Connections Inc. | Reduce -93.1% | 0.08% | −0.52 |
| ROP Roper Technologies Inc. | Sold out | 0.00% | −0.49 |
| REGN Regeneron Pharmaceuticals | Sold out | 0.00% | −0.48 |
| DASH DoorDash Inc. Class A | Sold out | 0.00% | −0.48 |
| ISRG Intuitive Surgical Inc. | Reduce -92.7% | 0.08% | −0.47 |
| LRCX Lam Research Corp. | Sold out | 0.00% | −0.47 |
| ABBV Abbvie Inc. | Sold out | 0.00% | −0.44 |
| PM Philip Morris International | Sold out | 0.00% | −0.42 |
| AXTA Axalta Coating Systems Ltd. | Sold out | 0.00% | −0.42 |
| AME Ametek Inc. | Sold out | 0.00% | −0.41 |
| BROS Dutch Bros Inc. Class A | Sold out | 0.00% | −0.40 |
| DOV Dover Corp. | Sold out | 0.00% | −0.39 |
| SFM Sprouts Farmers Market Inc. | Reduce -81.0% | 0.10% | −0.38 |
| BKNG Booking Holdings Inc. | Sold out | 0.00% | −0.37 |
| PPC Pilgrim's Pride Corp. | Reduce -87.5% | 0.08% | −0.36 |
| GWW WW Grainger Inc. | Sold out | 0.00% | −0.36 |
| NDAQ Nasdaq Inc. | Sold out | 0.00% | −0.36 |
| PEP Pepsico Inc. | Sold out | 0.00% | −0.34 |
| DG Dollar General Corp. | Sold out | 0.00% | −0.34 |
| MGM MGM Resorts International | Sold out | 0.00% | −0.33 |
| PAAS Pan American Silver Corp. | Reduce -88.3% | 0.07% | −0.33 |
| ALNY Alnylam Pharmaceuticals Inc. | Sold out | 0.00% | −0.32 |
| TJX TJX Companies Inc. | Reduce -88.6% | 0.07% | −0.31 |
| COP Conocophillips | Sold out | 0.00% | −0.31 |
| MCO Moody's Corp. | Sold out | 0.00% | −0.31 |
| APH Amphenol Corp. Class A | Sold out | 0.00% | −0.30 |
| COLD Americold Realty Trust Inc. | Sold out | 0.00% | −0.30 |
| IFF Intl Flavors & Fragrances | Sold out | 0.00% | −0.30 |
| GPC Genuine Parts Co. | Sold out | 0.00% | −0.30 |
| IPG Interpublic Group of Cos Inc. | Sold out | 0.00% | −0.30 |
| FISV Fiserv Inc. | Reduce -25.9% | 0.39% | −0.29 |
| OKE Oneok Inc. | Sold out | 0.00% | −0.28 |
| FCNCA First Citizens Bcshs Class A | Sold out | 0.00% | −0.28 |
| UTHR United Therapeutics Corp. | Sold out | 0.00% | −0.28 |
| SIRI Sirius XM Holdings Inc. | Sold out | 0.00% | −0.27 |
| ABNB Airbnb Inc. Class A | Sold out | 0.00% | −0.27 |
| RS Reliance Inc. | Sold out | 0.00% | −0.27 |
Portfolio Buys Q3 2025 → Q4 2025
| BLK BlackRock Inc. | New | 1.74% | +1.74 |
| PG The Procter & Gamble Co. | New | 1.25% | +1.25 |
| IBN Icici Bank Ltd.-Spon ADR | Add +1417.4% | 1.13% | +1.08 |
| MSI Motorola Solutions Inc. | Add +2400.4% | 1.06% | +1.03 |
| MSFT Microsoft Corp. | Add +50.5% | 1.85% | +0.97 |
| KEY Keycorp | Add +145.4% | 1.19% | +0.89 |
| VEEV Veeva Systems Inc. Class A | Add +738.8% | 0.99% | +0.89 |
| KMI Kinder Morgan Inc. | New | 0.87% | +0.87 |
| ADP Automatic Data Processing | New | 0.87% | +0.87 |
| MS Morgan Stanley | New | 0.79% | +0.79 |
| MRSH Marsh & McLennan Cos | New | 0.75% | +0.75 |
| OMC Omnicom Group | New | 0.74% | +0.74 |
| GE General Electric | New | 0.74% | +0.74 |
| AMZN Amazon.com Inc. | Add +59.3% | 1.23% | +0.74 |
| HBAN Huntington Bancshares Inc. | Add +181.8% | 0.96% | +0.74 |
| MCD McDonald's Corp. | Add +1310.5% | 0.77% | +0.73 |
| BNY Bank of New York Mellon Corp. | Add +722.9% | 0.79% | +0.73 |
| SYY Sysco Corp. | New | 0.70% | +0.70 |
| EOG EOG Resources Inc. | Add +172.0% | 0.94% | +0.70 |
| NFLX Netflix Inc. | Add +95.3% | 1.22% | +0.69 |
| GNTX Gentex Corp. | New | 0.68% | +0.68 |
| URI United Rentals Inc. | New | 0.64% | +0.64 |
| PH Parker Hannifin Corp. | New | 0.61% | +0.61 |
| ETN Eaton Corp. PLC | New | 0.60% | +0.60 |
| ACM Aecom | New | 0.59% | +0.59 |
| FWONK Liberty Media Corp. Class C | New | 0.57% | +0.57 |
| CPRT Copart Inc. | New | 0.57% | +0.57 |
| CAH Cardinal Health Inc. | New | 0.57% | +0.57 |
| MPC Marathon Petroleum Corp. | New | 0.55% | +0.55 |
| COST Costco Wholesale Corp. | New | 0.54% | +0.54 |
| AEP American Electric Power | New | 0.54% | +0.54 |
| UNH Unitedhealth Group Inc. | Add +270.2% | 0.65% | +0.53 |
| PFE Pfizer Inc. | New | 0.48% | +0.48 |
| SNX TD Synnex Corp. | New | 0.47% | +0.47 |
| BNTX Biontech SE-ADR | New | 0.46% | +0.46 |
| ROST Ross Stores Inc. | New | 0.45% | +0.45 |
| KVUE Kenvue Inc. | Add +58.5% | 0.71% | +0.43 |
| GIS General Mills Inc. | New | 0.43% | +0.43 |
| HOOD Robinhood Markets Inc. Class A | New | 0.42% | +0.42 |
| VZ Verizon Communications Inc. | New | 0.41% | +0.41 |
| MTN Vail Resorts Inc. | New | 0.39% | +0.39 |
| LVS Las Vegas Sands Corp. | Add +56.8% | 0.60% | +0.39 |
| LULU Lululemon Athletica Inc. | New | 0.37% | +0.37 |
| LIN Linde PLC | Add +35.8% | 0.83% | +0.37 |
| RSG Republic Services Inc. | New | 0.37% | +0.37 |
| VSXY Victoria's Secret & Co. | New | 0.37% | +0.37 |
| AVA Avista Corp. | New | 0.36% | +0.36 |
| AMD Advanced Micro Devices | Add +53.1% | 0.53% | +0.36 |
| BBY Best Buy Co. Inc. | New | 0.36% | +0.36 |
| AEE Ameren Corporation | New | 0.35% | +0.35 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 517 | $365.8M | WFC, COF, CSX, ABT, DVN |
| Q1 2026 | 496 | $389.2M | HD, SRE, HBAN, APD, V |
| Q4 2025 | 550 | $432.0M | MSFT, BLK, PG, AMZN, NFLX |
| Q3 2025 | 764 | $646.1M | META, HON, BSX, NRG, MSFT |
| Q2 2025 | 750 | $729.6M | APH, BSX, HON, UNP, ABBV |
| Q1 2025 | 727 | $626.9M | USB, BSX, AON, EQT, KO |
| Q4 2024 | 697 | $567.2M | COP, MDT, RL, CDW, GD |
| Q3 2024 | 687 | $509.6M | PSX, ONON, CMG, TPR, BAC |
| Q2 2024 | 733 | $514.3M | LOW, BMY, SKX, AMZN, DKS |
| Q1 2024 | 639 | $459.0M | LLY, AWK, HES, ROST, MDLZ |