LP Playbook
The Allocator's Desk: Tools and Gear That Make LP Work Sharper
A practical, opinionated look at the notebooks, calculators, headphones, and reference texts that quietly make institutional diligence work better. Every recommendation is something a working allocator would actually keep on the desk.
Matthew S. · Founder, Allocator Desk · July 2026 · 8 min read
> Affiliate disclosure. Some links in this post go to Amazon. As an Amazon Associate, Allocator Desk may earn a small commission on qualifying purchases at no extra cost to you. We only recommend items we would put on our own desk, and the commission does not change what we cover or how we rank it. Prices and availability change often, so treat any specifics as a snapshot.
Most allocator productivity posts are noise. Somebody who has never sat through a 90 minute onsite tells you to buy a $400 mechanical keyboard and a standing desk. Meanwhile, the analysts who actually get reference calls right and catch quiet drift in a PPM are working with a boringly consistent set of tools: a good notebook, a real financial calculator, headphones that keep the open floor plan out of their head, and a shelf of reference books they can flip open in the middle of a diligence memo.
This is that shelf and that desk. Ten items, grouped by what they help you actually do. If you are new to institutional work, this is a reasonable starter kit. If you are ten years in, it is worth checking whether the boring basics are still doing their job.
If you have not read our companion piece, The LP's Bookshelf is the deeper reading list. This post is closer to the physical desk itself.
Deep work: keeping the open floor plan out of your head
Diligence memos, PPM reviews, and manager calls do not survive an open office. The single highest return purchase for most analysts is a genuinely good pair of noise cancelling headphones, and there are really only two credible answers.
1. Sony WH-1000XM5 wireless noise cancelling headphones The default choice for a reason. Excellent active noise cancellation, comfortable for a full day of reading, clean call quality for GP calls and reference calls. If you are on the road for annual meetings, they collapse into a bag without complaint.
2. Bose QuietComfort Ultra headphones The other serious answer. Slightly warmer sound signature, arguably more comfortable for people who wear headphones four plus hours a day, and Bose's ANC is still class leading in speech-heavy environments like airports and open trading floors.
Pick one. Do not agonize over the choice for a week. The point is silence, not audiophile ranking.
Capture and thinking: paper is not obsolete
Every serious allocator we know keeps a paper notebook next to the laptop. Not for meeting minutes, which belong in a system, but for the kind of unstructured thinking that happens when you are reading through a track record and something feels off. You want the friction of a pen.
3. Leuchtturm1917 A5 hardcover notebook The reference standard. Numbered pages, a table of contents at the front, dot grid or ruled, thread bound so it lies flat. Good paper. It respects the reader, which is the entire point of a notebook designed for professionals. Use one per calendar year and archive them.
4. Uni-ball Jetstream ballpoint pens (multi-pack) Uncontroversial. They just work: fast drying ink, no bleed through, comfortable for a long meeting, and cheap enough that losing one at a conference is not a small tragedy. Keep a few in a drawer, a couple in your bag, one clipped in your notebook.
Calibration: numbers you can trust in a meeting
Everyone has Excel. The question is what you use when you do not want to alt-tab away from a document or when you are standing at a GP's office and want to sanity check a fund model on the spot.
5. HP 12C Platinum financial calculator The industry classic. RPN entry, purpose built for time value of money, IRR, NPV, and bond math. If you learned finance in the last three decades, muscle memory for the 12C is worth something. It also signals, quietly, that the person carrying it is not new here.
6. Texas Instruments BA II Plus Professional The other legitimate answer, and the calculator the CFA exam is built around. If your team leans quantitative, this is often the default. Cleaner interface for people who dislike RPN, slightly stronger cash flow worksheet, and a professional variant that is genuinely worth the small upgrade.
Skip this section only if you truly do all math in a spreadsheet and never move. Most working allocators travel enough that a real calculator earns its space.
Reference books that live on the desk, not the shelf
Some books are read once and put away. These live within arm's reach because you open them in the middle of writing memos.
7. Investment Valuation, by Aswath Damodaran The reference standard for valuation across public and private markets. Not a book you read cover to cover. A book you open when you need to check how to handle a specific case: a mid stage growth business, a distressed situation, a company with real options, a cyclical. Every good analyst on your team has this within reach.
We touch on why valuation discipline matters in Benchmarking Private Equity Performance and again in The Re-Up Decision. Damodaran is where the actual math lives.
8. Private Equity at Work, by Eileen Appelbaum and Rosemary Batt An unusually rigorous look at how private equity actually operates: fees, incentives, governance, and the real world outcomes of portfolio companies. Written from an outside perspective, which is exactly why it belongs on an allocator's shelf. If you only read industry cheerleading, you are underprepared for hard reference calls.
Pair this with our practical guide on Operational Due Diligence for LPs when you build your ODD checklist.
9. The Success Equation, by Michael Mauboussin The book to reread every couple of years. Mauboussin is the clearest writer alive on skill versus luck, and that is the entire game for LPs evaluating GP track records. You cannot underwrite a re-up honestly without a working model for how much of a return series is signal.
If this book resonates, the full deeper list is in The LP's Bookshelf.
Travel and endurance
Annual meetings and manager visits stack up. The last item is not glamorous, but it earns its place.
10. Peak Design Everyday Backpack (20L) A working bag that carries a laptop, a notebook, a calculator, a set of headphones, and a change of shirt through a two day trip without looking like a hiking pack in a hotel lobby. Well built, quietly designed, and the internal organization actually holds up after a year of real use.
What to buy first if you can only pick three
If this is a starter kit and budget matters, buy in this order:
1. Noise cancelling headphones. The single largest return on focus. 2. A serious notebook and pens. The friction of writing is a feature. 3. The financial calculator you were trained on. Muscle memory saves time in meetings.
Everything else can wait until you know what you actually reach for.
A closing note on tools
Tools do not make you a better allocator. Reading, writing, and asking harder questions do. What good tools do is remove small frictions so that the reading, writing, and questioning happen more often. That is worth a modest investment.
If you build a diligence practice you can be proud of, you will find that most of the work is quiet: a legal pad, a calculator, silence, and the willingness to reread a track record until it stops flattering the manager and starts telling you the truth.
Everything on this list is optional. But if any of it sounds familiar, that is because these are the tools that quietly show up in every working allocator's day.
*Have a recommendation we missed? Send it along. If enough working allocators point at the same thing, it earns a spot in the next edition.*
Topics
- Reading List
- LP Operations
- Books
- Tools