Shipped one off to Russia when the Shah fell ...
That is a persistent myth that has long been debunked. To the day the Persians highly distrust the Russians and they never forgot how they got srewed over by the Russians several times after WWII. Do not mix up the cooperation out of necessity that the mullahs and the IRGC went into with Russia with the stance that the regular Iranian forces have towards the Russians. There is a deep internal rift between the regular Iranian forces (who despise the Russians) and the regime-alligned forces such as the IRGC or the Basiq militia who use a lot of Russian equipment and essentially run the regime's cooperation with Russia. To the day there has never surfaced any concrete proof that Iran handed over anything in regards to the Tomcat to Russia and the IRIAF vervently rejects any notion of that. I delved into the whole Iranian stuff for the past 20+ years, heck I even managed to visit the country and their F-14s (of which apparently still have some have survived the recent air raids?!!) and the only thing to ever surface with at least a little bit of substance behind it was that Iran gave a non-working AWG-9 to China in 1986 in turn for economic and military aid and it is at least believed that the J-11's radar system loosely bases on the AWG-9 but any notion of F-14 tech going to Russia via the Iranians is at least according to their own stance and to what has become available so far pure bonkers. They defacto never shipped a whole Tomcat to Russia! The aircraft has been way to valuable for them. I tried to keep tabs on as many as I could over the past years and here's the math:
They received 79 (No. H80 (BuNo 160378) remained in the US, was sent to AMARG after the revolution, returned to service in '92 and converted to NF-14A standard and served it's entire remaining service life with NAWC until it's 2nd retirement to the desert. Iran filed a law suit in front of the intl. courts in New York demanding that the Obama admin. was to hand it over. They put the jet into a fenced off area due to litigation status and had it sit there for several years until they moved it back to the other remaining few airframes back in around 2020. Iran won the law suit in 2015 but Obama rather opted for reimbursement in 2 tranches. They paid the Iranians the 1st tranche but after the 2016 elections the Trump admin. refused to pay the 2nd tranche. The airframe was eventually shredded in May/June 2023.)
Iran lost 2 jets before the revolution due to accidents in 1976 and 1977 (BunO 160311 and 160348).
They lost 10 units during the war (3 fell prey to Iraqi Mirage F1 during and ambush called "operation giraffe" in which three Mirage F1 sneaked past two sections of Tomcats at low level while six Iraqi Mig-21s played the decoy for the Iranian Tomcats. The F1s managed to shoot down two of the four Tomcats and damage one severely. The damaged one managed to return to base with the help of the remaining wingman but was a total write off subsequently. Two months later the IRIAF took revenge via an ambush on their own downing apparently 12 Iraqi aircraft in turn. - 6 Tomcats fell prey to Iraqi SAM sites and one was shot down over Iraq during an unsuccessful defection attempt. Due to poor coordination the defecting F-14 aircrew had to linger too long and went out of fuel while also an uninformed Iraqi airforce launched an intercept. They shot the aircraft down while it was already on it's way towards the ground due to empty tanks. The crew was rescued and the remains of the burned out F-14 wreck were displayed in Bagdad at the feet of an Iraqi statue until 2003 when US forces cleaned the site up.
They had 4 losses during the 90s but managed to salvage one jet by literally combining two damaged airframes to a Frankencat.
They had another 4 losses due to accidents between 2002 and 2025 with the last reported loss due to engine malfunction in June 2024.
I'm able to document 58 serials in some sort of working order between 2002 and 2023. Another 2 serials emerged after two decades (apparently being mothballed?!) back in late 2024.
Not a single F-14 went to Russia, at least it is not documented and also rejected / not confirmed by either side.
Israel has reportedly destroyed at least 5 in the 12-day war back in June 2025 (two derelict but genuine airframes at Mehrabat of which many claimed they were wooden decoys but more likely they were stricken derelict units plus at least three apparently operational or at least functional units at Isfahan). There is a good chance they destroyed the other three units that were reportedly at Mehrabat for overhaul at the time but no evidence of that so far. It is also likely that they destroyed more at Isfahan than the three documented units. I had a contact living at Isfahan relatively close to the base and he told me that the IRIAF was way more severely hit than what we got to see over here in the West in the news and Israel reported 43 strike waves at the Isfahan area back in June 2025. So it is likely that they hit more than just the three documented ones. The IRIAF only managed to apparently fly out 4-6 airframes after the 2nd Israeli strike wave. No further confirmation except for a press article by an exiled Iranian journalist from Sep. 2025 on that though.
In March 2026 Israel reported to have destroyed all the remaining Persian F-14s but the only documentation so far has been independent satelite imagery showing two Tomcat airframes at Isfahan being destroyed/severly hit. Just about two weeks ago an Iranian propaganda outlet posted a clip of an Iranian F-14 returning after intercepting drones/missiles. The clip appeared to be new but so far no further confirmation whether authentic or made up propaganda.