Three months ago, Paul Tudor Jones’s fund cut its call options on BlackRock’s Bitcoin ETF by 85%. The market sees a retreat. I see a signal that’s been misread by every headline that hit your feed this morning.
That’s the thing about 13F filings. They give you the bones—the raw numbers, the positions, the notional values—but they strip away the strategy. And without the strategy, you’re just guessing at the narrative.
Let me walk you through what I found when I ran the numbers on Tudor Investment’s Q2 2025 filing. The data tells a story that’s far more nuanced than a simple "bull to bear" shift.
The Context: The 13F Blind Spot
For those who don’t live in the quarterly filing cycle, the SEC’s 13F rule requires institutional investment managers with over $100 million in assets to disclose their holdings within 45 days of the end of each quarter. It’s the closest thing we have to a window into what the smart money is doing.
But here’s the catch—and it’s a big one. The 13F only reports long positions. Options are reported, but only as the underlying security equivalent. You see the number of call options and put options, but you don’t see the strike prices, the expiration dates, or the premiums paid. And crucially, you don’t see short positions or written options.
So when Tudor reports cutting its IBIT call options from 1,000,000 to 148,000 shares equivalent, while increasing its direct share holdings by 18.9% to 688,529 shares, the surface reading is clear: they’re reducing upside exposure. But the deeper reading? That’s where the real analysis begins.
The Core: Dissecting the Option Strategy
I’ve been running nodes since 2018, and I’ve learned that the market rarely rewards the first-glance interpretation. So let’s dig into what this combined position actually means.
Tudor’s direct IBIT holdings increased by 109,446 shares, valued at roughly $22.9 million. That’s a straightforward vote of confidence in Bitcoin as an asset class. But the call option reduction? That’s a 85.2% cut, from nearly $40 million in notional value to just $5.6 million.
Here’s the part that most analysts miss: the put options remained virtually unchanged, dropping by only 1.4% to 713,000 shares equivalent. The ratio of put to call notional value is now 4.8 to 1. On the surface, that screams bearish.
But based on my experience auditing the 2022 Terra collapse, I know that panic selling and strategic hedging look identical on a balance sheet. The key is understanding the context of the trade.
Tudor’s Q1 2025 filing showed a massive call position. That was likely built during the Q1 rally, when Bitcoin surged from $70,000 to over $100,000. Those calls were probably deep in the money by mid-Q2. What happened next? Bitcoin corrected, dropping from $110,000 to the $88,000-$95,000 range. That correction would have wiped out the premium on those calls, or at least reduced their delta significantly.
The Contrarian Angle: The Covered Call Hypothesis
Here’s where my contrarian instinct kicks in. What if the call option reduction isn’t a directional bet at all? What if Tudor was running a covered call strategy?
Let me explain. A covered call involves holding the underlying asset (IBIT shares) and selling call options against it. This generates premium income but caps upside. If Tudor was selling calls, those positions wouldn’t appear in the 13F at all—only the long call positions would show up.
But what if Tudor was buying calls as part of a spread? Or using them to create synthetic long positions? The point is, without the full option chain data, we’re flying blind.
During my 2021 Solana validator experiment, I learned that network stress tests reveal more than any whitepaper ever could. The same principle applies here: the stress test of a 13F filing is not the headline number, but the structural integrity of the interpretation.
The fact that Tudor increased its direct IBIT holdings while cutting calls suggests a shift from leveraged upside to outright ownership. That’s not bearish. That’s a maturity of conviction. They’re moving from "betting on the rally" to "holding the asset."
The Takeaway: What the Next Filing Will Tell Us
So what does this mean for the market? As I wrote during the 2024 ETF arbitrage narrative, "Validating the signal amidst the validator noise" is the only way to find alpha. In this case, the signal is not the call reduction itself, but the combination of the direct share increase and the put option stability.
Tudor is hedging. They’re not abandoning Bitcoin. They’re protecting their position against a Q3 correction that many macro funds are already pricing in.
I’ll be watching the Q3 filing closely. If the direct shares increase further while the calls remain low, that confirms the "hold and hedge" strategy. If the calls come back, that’s a re-leveraging signal.
For now, the narrative of "institutional retreat" is a false one. The collapse of the bullish narrative is not the collapse of the asset. It’s the evolution of the strategy.
Running the nodes to find the truth. Reading the collapse before the narrative breaks. The fork is always coming, but not always where you expect it.